A monitoring device for monitoring a flow of a fluid like a breathing gas comprises a main flow path (10) for the fluid between an inlet (11) and an outlet (12). A flow sensor (15) is associated with the main flow path. A flow restrictor (14) is arranged in the main flow path. A secondary flow path (20) for the fluid branches off from the main flow path upstream of the flow restrictor and merges with the main flow path downstream of the flow restrictor. The secondary flow path has higher flow resistance than the main flow path. At least one fluid property sensor (24; 25) for determining at least one property of the fluid in the secondary flow path (20) is associated with the secondary flow path (20). Also disclosed is a ventilation system that comprises the monitoring device and a patient interface (30).
A61M 16/00 - Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators Tracheal tubes
G01F 1/36 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
G01F 1/40 - Details of construction of the flow constriction devices
G01F 1/684 - Structural arrangementsMounting of elements, e.g. in relation to fluid flow
G01F 1/688 - Structural arrangementsMounting of elements, e.g. in relation to fluid flow using a particular type of heating, cooling or sensing element
G01F 5/00 - Measuring a proportion of the volume flow
G01F 15/00 - Details of, or accessories for, apparatus of groups insofar as such details or appliances are not adapted to particular types of such apparatus
The present invention relates to a sensor (1) for measuring at least one measurement variable, comprising: a housing (2) which has an exterior (2a); and a measurement chamber (3) which is surrounded by the housing (2) and which can communicate with an atmosphere (A) surrounding the sensor (1) via an opening (20) formed in the exterior (2a), wherein a measuring element (4) for measuring the measurement variable is disposed in the measurement chamber (3). According to the invention, the sensor (1) comprises a membrane (5), which is disposed on the exterior (2a) and covers the opening (20) and is permeable to air and water vapor, and also a removable protective layer (6) is disposed over the opening (20), so that the membrane (5) is disposed between the removable protective layer (6) and the exterior (2a) of the housing (2).
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A photoacoustic gas sensor device for determining a value indicative of a presence or a concentration of a chemical component in a gas comprises a substrate and a measurement cell body arranged on a first side of the substrate. The substrate and the measurement cell body define a measurement cell. A cap is arranged on the first side of the substrate within the measurement cell. The cap and the substrate define a cap volume. The cap and the substrate acoustically seal the cap volume. A measurement volume is confined by the measurement cell body, the substrate and the cap. An aperture is provided in the measurement cell for the gas to enter the measurement volume. Electrical components are arranged on the first side of the substrate and in the measurement cell.
A sensor device (10) comprises an environmental sensor (22) for determining an environmental parameter associated with a sensor gas flow (F2) through the sensor device. The environmental sensor may be a particulate matter sensor for detecting particulate matter in the sensor gas flow. The sensor gas flow is preheated upstream of the environmental sensor (22). To this end, waste heat generated by the environmental sensor (22) itself and/or by a different sensor (12) that is comprised in the sensor device is used. In this manner, the effects of evaporable droplets in the sensor gas flow (F2), as typically present in fog, may be reduced. In some embodiments, a fog signal is derived.
An optical component (11) can include a chip comprising a carrier substrate (13) made of a semiconductor material and a membrane (15) disposed on a planar membrane-carrying surface of the carrier substrate (13). The membrane (15) is formed integrally with the carrier substrate (13). A cavity (14) is formed in the carrier substrate (13), the cavity having a first end and a second end. The membrane (15) has a cavity-spanning portion that spans the cavity (14) at its first end. The cavity-spanning portion of the membrane (15) is transparent to light in a desired wavelength range. An optical element (16) for shaping, diffusing, or filtering the light is formed on or in the cavity-spanning portion of the membrane (15). The optical component (11) may be manufactured in a wafer-level process. Also disclosed is an optoelectronic module that includes the optical component (11) together with an optoelectronic device.
The invention relates to a photo-acoustic gas sensor (1) for determining a value that indicates the presence or the concentration of a component in a gas, comprising: a measuring chamber (2), a channel (6) connected to said measuring chamber (2), and a microphone (7) which delimits the channel (6) on one side, said microphone (7) being acoustically connected to the measuring chamber (2) via the channel (6).
The invention relates to a turbidity sensor (1) for measuring turbidity of a fluid, wherein the turbidity sensor (1) comprises: a container (2) delimiting a cavity (3) of the container (2) configured to receive said fluid, a first source of electromagnetic radiation (4) configured and arranged to generate and emit electromagnetic radiation (11) into the cavity (3) of the container (2), and a photodetector (5) configured and arranged to detect electromagnetic radiation scattered by the fluid (12).
The present invention relates to a particle sensor (1) for detection and/or characterization of particulate matter in an aerosol stream (A), comprising a radiation detector (30) that is designed to detect radiation after interaction with particulate matter contained in the aerosol stream (A), the radiation detector (30) being at least partly covered by an EMC shielding (4) that is located in an interior (2a) of a housing of the particle sensor.
In a method for manufacturing an electrochemical gas sensor for sensing a target gas, a semi-manufactured gas sensor is provided. The semi-manufactured gas sensor comprises a substrate supporting an arrangement comprising a thin film of a thickness s≤5 pm arranged between a sensing electrode configured to chemically interact with the target gas and a reference electrode facing the substrate. The thin film is an electronically non-conducting and ionically non-conducting ceramic or glass. The arrangement then is heated to an annealing temperature for irreversibly turning the thin film into an ionic conductor by incorporating mobile ions released from the sensing electrode in response to the heating.
In a method of determining a flow rate of a flow of a fluid of interest in a fluidic system, a raw flow rate signal (Qsensor) is determined using a flow rate sensor. The raw flow rate signal is corrected using a flow rate correction function (Δ) to obtain a corrected flow rate signal (Qsensor,corr). The flow rate correction compensates for a flow rate signal error that is caused by integration of the flow rate sensor into the fluidic system. It is based on a reference correction function (δ) that is indicative of a flow rate signal error for a flow of a reference fluid due to the integration of the flow rate sensor into the fluidic system.
G01N 11/04 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
G01F 1/84 - Coriolis or gyroscopic mass flowmeters
The present invention relates to a method and a device for determining a bond strength of functionalized magnetic labels (1) to a functionalized detection surface (2) in an immunoassay. The labels (1) are transported to the surface (2) for an incubation step. Subsequently, the labels (1) are manipulated by a magnetic force field and initial positions and dissociation times from the surface (2) of the labels (1) are recorded. These dissociation times are then compared to pre-computed time-spans per position, the time-spans chosen such that the probability of dissociation of a label (1) not specifically bound at a position before said time span has elapsed is greater than a predetermined threshold. If the dissociation time is greater than said time span, the label (1) is designated as specifically bound to the surface (2).
A quantum cascade laser or interband cascade laser for outputting a frequency comb. The laser's active waveguide comprises a combination of narrow and wide sections which are engineered in combination such that the laser is operable to produce lasing only in the fundamental mode across the operating wavelength range, the narrow section squeezing light propagating in the waveguide to output a frequency comb via four-wave mixing. The narrow and wide sections are further engineered to reduce the waveguide's net GVD, and also to reduce the GVD variation across the operating range compared to a comparable waveguide that is of constant width, thus producing a more stable frequency comb. The proportion of the laser's full dynamic range (i.e. from threshold to the rollover current where the maximum output power is achieved) over which lasing remains in the frequency comb regime is thereby increased compared with a constant width single mode waveguide.
H01S 5/34 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
H01S 5/10 - Construction or shape of the optical resonator
A vertical emission cascade laser (10) comprising an in-plane waveguide formed by a lower cladding layer (14), active region layers (15) and an upper cladding layer (16). A disk-shaped side surface (33) laterally bounds the in-plane waveguide and has a mirror layer (39) arranged over it to form a cavity capable of supporting multiple radial modes. An in-plane grating structure (28; 28, 29) of concentric rings is formed in one of the cladding layers (14, 16), the grating structure functioning both to select one of the multiple radial cavity modes for lasing and also to couple out the laser light through the lower and/or upper cladding layer (14, 16). The grating structure includes at least a higher order grating portion of order m ≥ 2 and optionally also a first order grating portion with m = 1.
H01S 5/187 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
H01S 5/34 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
42 - Scientific, technological and industrial services, research and design
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into computer databases, compilation and systemization of
information into databases, collection and systematization
of information within computer databases, computerized file
management services, computerized data processing,
computerized verification of data processing, computerized
file management services, computerized file management
services, management of a registry of information,
management and compilation of computer databases, online
data processing services, systemization of information into
computer databases, business management and assistance
services and administrative services, business advisory and
consultancy services, data processing support; compilation
of scientific information. Information technology services; hosting web sites, software
as a service [SaaS], and rental of software, blockchains as
a service [BaaS], cloud computing, electronic storage of
data, data storage by means of blockchains, computer
security services in the nature of providing unique digital
certificates recorded by blockchain, which create digital
elements but are separate from these digital elements,
providing temporary use of non-downloadable software to
enable members of an online community to receive and access
digital files authenticated by non-fungible tokens [NFTs],
electronic data storage, electronic storage of files and
documents, storage of data online, computer platform as a
service [PaaS], software as a service [SaaS], data
certification via blockchain; quality control,
authentication and testing; quality control in view of
certification, component testing services, scientific and
technological services; calibration [measuring],
technological information services.
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Business assistance and management services and
administrative services; administrative support and data
processing services, treatment, systematization and
management of data, compilation and input of information
into computer databases, compilation and systemization of
information into databases, collection and systematization
of information within computer databases, computerized file
management services, computerized data processing,
computerized verification of data processing, computerized
file management services, computerized file management
services, management of a registry of information,
management and compilation of computer databases, online
data processing services, systemization of information into
computer databases, business management and assistance
services and administrative services, business advisory and
consultancy services, data processing support; compilation
of scientific information. Information technology services; hosting web sites, software
as a service [SaaS], and rental of software, blockchains as
a service [BaaS], cloud computing, electronic storage of
data, data storage by means of blockchains, computer
security services in the nature of providing unique digital
certificates recorded by blockchain, which create digital
elements but are separate from these digital elements,
providing temporary use of non-downloadable software to
enable members of an online community to receive and access
digital files authenticated by non-fungible tokens [NFTs],
electronic data storage, electronic storage of files and
documents, storage of data online, computer platform as a
service [PaaS], software as a service [SaaS], data
certification via blockchain; quality control,
authentication and testing; quality control in view of
certification, component testing services, scientific and
technological services; calibration [measuring],
technological information services.
17.
METHOD, DEVICE, SENSOR CARTRIDGE AND KIT OF PARTS FOR CULTURING AND DETECTING MICROORGANISMS
The invention relates to a method for culturing and detecting microorganisms, comprising the steps of providing a liquid sample (S) in a barrel (10) of a device (1) for culturing and detecting microorganisms, passing the liquid sample (S) through a first filtering membrane (40) such that microorganisms contained in the liquid sample (S) are retained at a first side (41) of the first filtering membrane (40), contacting said first side (41) with a first growth medium (210) capable of supporting growth of microorganisms, incubating the first filtering membrane (40) and the first growth medium (210) at an incubation temperature, arranging a sensing surface (51) of a gas sensor (50) in fluid connection with a second side (42) of the first filtering membrane (40), detecting a metabolic gas released by the microorganisms by means of the gas sensor (50). The invention further relates to a device (1) for culturing and detecting microorganisms, comprising a barrel (10) enclosing a barrel compartment (13) for receiving a liquid sample (S), a first piston (20) which (20) is movable in said barrel (10), wherein said barrel compartment (13) is configured to be brought in fluid communication via a first filtering membrane (40) with a sensing surface (51) of a gas sensor (50) configured to detect a metabolic gas released by microorganisms, wherein the first filtering membrane (40) is configured to retain microorganisms contained in the liquid sample (S) at the first side (41) of the first filtering membrane (40). Furthermore, a sensor cartridge (4) and a kit of parts comprising the device (1) are provided.
C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor
C12M 1/00 - Apparatus for enzymology or microbiology
C12M 1/34 - Measuring or testing with condition measuring or sensing means, e.g. colony counters
C12M 1/12 - Apparatus for enzymology or microbiology with sterilisation, filtration, or dialysis means
A thermal sensor device serves for determining a concentration of a target gas in a gas sample that further comprises a disturbance gas. The thermal sensor device comprises first and second measurement structures (1, 2) comprising first and second temperature sensors (TS1, TS2) and a heater element (31) operable to cause heat transfer to the measurement structures through the gas sample. Processing circuitry provides heating power (P3) to the heater element and derives an output signal (S) based on a response of the temperature sensors to the heating power, the output signal being indicative of a concentration of the target gas in the gas sample. The first and second measurement structures have different heat dissipation capabilities, and the processing circuitry derives the output signal from a weighted difference of temperature signals from the first and second temperature sensors. Thereby, a a cross-sensitivity of the output signal to a concentration change of the disturbance gas may be reduced or eliminated.
A strain sensor, comprises a substrate (1) and a strain sensing layer (2) of polycrystalline piezoelectric material. The strain sensing layer (2) is supported by the substrate (1) and extends in a plane in parallel to a plane (x, y) of the substrate (1). The strain sensing layer (2) is arranged between a top electrode (3) and a bottom electrode (4), each extending in parallel to the plane (x, y) of the substrate (1). The strain sensing layer (2) has a thickness of equal to or less than 2 µm perpendicular to its plane extension and is linked with the substrate (1) to have strain (ST) in the plane (x, y) of the substrate (1) couple into the strain sensing layer (2) as in-plane strain (ST). The polycrystalline piezoelectric material of the strain sensing layer (2) is configured to convert the in-plane strain (ST) in the strain sensing layer (2) into an electric field (EF) perpendicular to the plane of the strain sensing layer (2), resulting in a difference of potential between the top electrode (3) and the bottom electrode (4) representing a strain signal.
G01L 1/16 - Measuring force or stress, in general using properties of piezoelectric devices
G01L 5/167 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring several components of force using piezoelectric means
H10N 30/00 - Piezoelectric or electrostrictive devices
H10N 30/30 - Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
42 - Scientific, technological and industrial services, research and design
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Business administration and management assistance, business management services, and business administration services; administrative support services, namely, providing sensor-specific certificate database office functions and data processing services; compilation and systematization of data into computer databases and database management; compilation and input of information into computer databases; compilation and systemization of information into databases; collection and systematization of information within computer databases; computerized file management services; computerized data processing; computerized verification of data processing, namely, computerized data verification being data processing; updating and maintenance of information in registries; management and compilation of computer databases; online data processing services; systemization of information into computer databases; business management, business management assistance services, and business administration services; business advisory and consultancy services; data processing support, namely, computer sensor and sensor specific certificate identification and authentication data processing services; data processing support, namely, database management services; compilation of scientific information into computer databases Hosting web sites; software as a service (SaaS) featuring software for use in database management; rental of software for use in database management; blockchains as a service (BaaS), namely, authentication of data in the field of sensors, sensor specific certificates, and sensor data using blockchain technology; cloud computing, namely, providing access to data related to individual sensors, sensor specific certificates, and sensor data, and enabling exchange of sensor specific data through cloud computing; electronic storage of data; data storage using blockchain technology; computer security services in the nature of administration of unique digital certificates recorded by blockchain, which create digital elements but are separate from these digital elements; providing temporary use of non-downloadable software to enable members of an online community to receive and access digital files authenticated by non-fungible tokens (NFTs); electronic data storage; electronic storage of files and documents; storage of data online; computer platform as a service (PaaS) featuring computer software platforms for use in database management and for use as a spreadsheet; data certification via blockchain, namely, authentication of data in the field of sensors, sensor specific certificates, and sensor data using blockchain technology; quality control for others, authentication of sensors, sensor specific certificates, and sensor data, and testing of sensors and sensor data; quality control of the goods of others to determine conformity with certification standards; sensor component testing services; scientific and technological services, namely, testing in the field of sensors, testing, analysis and evaluation of the sensors of others to determine conformity with certification standards; calibration being measuring; technological information services in the field of cloud computing, database management, sensors, sensor specific certificates and sensor data
42 - Scientific, technological and industrial services, research and design
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Business administration and management assistance, business management services, and business administration services; administrative support services, namely, providing sensor-specific certificate database office functions and data processing services; compilation and systematization of data into computer databases and database management; compilation and input of information into computer databases; compilation and systemization of information into databases; collection and systematization of information within computer databases; computerized file management services; computerized data processing; computerized verification of data processing, namely, computerized data verification being data processing; updating and maintenance of information in registries; management and compilation of computer databases; online data processing services; systemization of information into computer databases; business management, business management assistance services, and business administration services; business advisory and consultancy services; data processing support, namely, computer sensor and sensor specific certificate identification and authentication data processing services; data processing support, namely, database management services; compilation of scientific information into computer databases Hosting web sites; software as a service (SaaS) featuring software for use in database management; rental of software for use in database management; blockchains as a service (BaaS), namely, authentication of data in the field of sensors, sensor specific certificates, and sensor data using blockchain technology; cloud computing, namely, providing access to data related to individual sensors, sensor specific certificates, and sensor data, and enabling exchange of sensor specific data through cloud computing; electronic storage of data; data storage using blockchain technology; computer security services in the nature of administration of unique digital certificates recorded by blockchain, which create digital elements but are separate from these digital elements; providing temporary use of non-downloadable software to enable members of an online community to receive and access digital files authenticated by non-fungible tokens (NFTs); electronic data storage; electronic storage of files and documents; storage of data online; computer platform as a service (PaaS) featuring computer software platforms for use in database management and for use as a spreadsheet; data certification via blockchain, namely, authentication of data in the field of sensors, sensor specific certificates, and sensor data using blockchain technology; quality control for others, authentication of sensors, sensor specific certificates, and sensor data, and testing of sensors and sensor data; quality control of the goods of others to determine conformity with certification standards; sensor component testing services; scientific and technological services, namely, testing in the field of sensors, testing, analysis and evaluation of the sensors of others to determine conformity with certification standards; calibration being measuring; technological information services in the field of cloud computing, database management, sensors, sensor specific certificates and sensor data
A dual-comb spectrometer comprising two lasers outputting respective frequency combs having a frequency offset between their intermode beat frequencies. One laser acts as a master and the other as a follower. Although the master laser is driven nominally with a DC drive signal, the current on its drive input line nevertheless oscillates with an AC component that follows the beating of the intermode comb lines lasing in the driven master laser. This effect is exploited by tapping off this AC component and mixing it with a reference frequency to provide the required frequency offset, the mixed signal then being supplied to the follower laser as the AC component of its drive signal. The respective frequency combs in the optical domain are thus phase-locked relative to each other in one degree of freedom, so that the electrical signals obtained by multi-heterodyning the two optical signals are frequency stabilized.
G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
H01S 5/062 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
A dual-comb spectrometer comprising two lasers outputting respective frequency combs having a frequency offset between their intermode beat frequencies. One laser acts as a master and the other as a follower. Although the master laser is driven nominally with a DC drive signal, the current on its drive input line nevertheless oscillates with an AC component that follows the beating of the intermode comb lines lasing in the driven master laser. This effect is exploited by tapping off this AC component and mixing it with a reference frequency to provide the required frequency offset, the mixed signal then being supplied to the follower laser as the AC component of its drive signal. The respective frequency combs in the optical domain are thus phase-locked relative to each other in one degree of freedom, so that the electrical signals obtained by multi-heterodyning the two optical signals are frequency stabilized.
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
H01S 5/062 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
A particulate matter (PM) sensor comprises a substrate forming a cavity (5), the substrate comprising a semiconductor chip (4), and a light source (1) arranged in the cavity (5). The light source (1) is adapted to emit a light beam (7). The light beam (7) forms a detection volume (8) for particulate matter (9) outside the cavity (5). Optionally, the particulate matter sensor comprises an optical element (2) delimiting the cavity (5) at one end. The optical element (2) is configured to shape the light beam (7). Further, the particulate matter sensor comprises at least one photodetector (3) that is integrated into a surface of the semiconductor chip (4). The surface into which the at least one photodetector (3) is integrated faces the detection volume (8). The at least one photodetector (3) is adapted to detect light (10) scattered by particulate matter (9) in the detection volume (8).
B01D 29/60 - Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups Filtering elements therefor integrally combined with devices for controlling the filtration
G01F 1/40 - Details of construction of the flow constriction devices
G01F 5/00 - Measuring a proportion of the volume flow
G01F 1/684 - Structural arrangementsMounting of elements, e.g. in relation to fluid flow
The present invention relates to a microfluidic assay device (1) using functionalized beads (4), the device (1) comprising: a receptacle (6) having a closed surface (7) that is in communication with the host liquid (3) and defining a boundary surface (11) in respect of the host liquid (3), and an ultrasonic transducer (16), which can be positioned relative to a region of the receptacle (6) such as to produce acoustic waves in the host liquid (3), wherein: an acoustic boundary condition and an operational of the transducer of the receptacle (6), define first and second modes of device operation, in which acoustic wave configurations are correspondingly produced, so that the functionalized beads (4) are levitated away from the functionalized surface (9) during a first incubation event and are propagated to and bind at the functionalized surface (9) for a second incubation event.
A gas sensor includes a support structure with a cavity, a sensing element sensitive to a gas and arranged in the cavity, and a filter spanning the cavity. The filter is a size selective filter.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
A gas generator comprises a compartment confined by a casing configured to hold an active material generating a target gas in response to thermal activation, and a heater structure configured and arranged to heat the active material for generating the target gas. The heater structure is arranged outside the compartment and heats the active material from at least two sides.
A sensor device (10) comprises an environmental sensor (22) for determining an environmental parameter associated with a sensor gas flow (F2) through the sensor device. The environmental sensor may be a particulate matter sensor for detecting particulate matter in the sensor gas flow. The sensor gas flow is preheated upstream of the environmental sensor (22). To this end, waste heat generated by the environmental sensor (22) itself and/or by a different sensor (12) that is comprised in the sensor device is used. In this manner, the effects of evaporable droplets in the sensor gas flow (F2), as typically present in fog, may be reduced. In some embodiments, a fog signal is derived.
A sensor device (10) comprises an environmental sensor (22) for determining an environmental parameter associated with a sensor gas flow (F2) through the sensor device. The environmental sensor may be a particulate matter sensor for detecting particulate matter in the sensor gas flow. The sensor gas flow is preheated upstream of the environmental sensor (22). To this end, waste heat generated by the environmental sensor (22) itself and/or by a different sensor (12) that is comprised in the sensor device is used. In this manner, the effects of evaporable droplets in the sensor gas flow (F2), as typically present in fog, may be reduced. In some embodiments, a fog signal is derived.
A photodetector comprises a substrate, and supported by the substrate, a configuration to act as optical resonator and to absorb incident radiation of a band, including infrared. The configuration comprises: a resonant frontside structure facing the incident radiation; a backside structure and arranged between the frontside structure and the substrate; and a layer of an active material made from a semiconducting material, and configured to convert at least part of the incident radiation of the band into charge carriers. The frontside structure or the backside structure is made from electrically conducting material and is in contact with the active material. The configuration is configured to selectively absorb the incident radiation of the band. The frontside structure or the backside structure that is in contact with the active material is contacted by electrical contacts for sensing the charge carriers in the active material. The active material comprises amorphous or polycrystalline material.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
A vertical emission cascade laser (10) comprising a lower cladding layer (14), active region layers (15) and an upper cladding layer (16) collectively forming an in-plane waveguide. The in-plane waveguide has a higher loss and/or lower gain peripheral region (35) to suppress propagation of waveguiding modes in the peripheral region. The upper cladding layer (16) is structured to define a concentric ring grating (28) of order m in respect of the lasing wavelength, λ, where adi is at least 2. The grating (28) has a radial periodicity Λ = m∙λ / 2∙n, where n is the effective refractive index for the radial mode. The radial periodicity is perturbed to follow a Bessel distribution. The grating (28) selects a specific radial mode for lasing and also couples out a component of the radial mode.
H01S 5/187 - Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only horizontal cavities, e.g. horizontal cavity surface-emitting lasers [HCSEL] using Bragg reflection
H01S 5/34 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
H01S 5/12 - Construction or shape of the optical resonator the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
A photoacoustic gas sensor device for determining a value indicative of a presence or a concentration of a chemical component in a gas comprises a substrate (1) and a measurement cell body (2) arranged on a first side (11) of the substrate (1). The substrate (1) and the measurement cell body (2) define a measurement cell. A cap (7) is arranged on the first side (11) of the substrate (1) within the measurement cell. The cap (7) and the substrate (1) define a cap volume (71). The cap (7) and the substrate (1) acoustically seal the cap volume (71). A measurement volume (21) is confined by the measurement cell body (2), the substrate (1) and the cap (7). An aperture (23) is provided in the measurement cell for the gas to enter the measurement volume (21). Electrical components are arranged on the first side (11) of the substrate (1) and in the measurement cell. The electrical components comprise at least: An electromagnetic radiation source (4) for emitting electromagnetic radiation (41) into the measurement volume (21); a pressure transducer (3) for measuring a sound wave generated by the chemical component in response to an absorption of the electromagnetic radiation (41) by the chemical component present in the measurement volume (21); and a controller (8) configured to control the electromagnetic radiation source (4). The pressure transducer (3) is arranged outside the cap volume (71) and at least one of the electrical components other than the pressure transducer (3) is arranged in the cap volume (71).
A photoacoustic gas sensor device for determining a value indicative of a presence or a concentration of a component in a gas comprises a measurement cell enclosing a measurement volume and a gas permeable area in the measurement cell for a gas to enter the measurement volume. An electromagnetic radiation source is arranged to emit electromagnetic radiation into the measurement volume, and a pressure transducer is arranged to measure a sound wave generated by the component in response to an absorption of electromagnetic radiation by the component in the measurement volume. In one aspect, the gas permeable area is represented by a porous gas permeable membrane with an average pore size of the porous gas permeable membrane between 10 nm and 1 μm. In another aspect the gas permeable area is represented by an area of the measurement cell containing holes reaching through an otherwise gas tight material of the measurement cell, with a diameter of the holes between 100 nm and 10 μm.
G01N 29/32 - Arrangements for suppressing undesired influences, e.g. temperature or pressure variations
G01N 29/22 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic wavesVisualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object Details
a) is configured to receive incoming ultraviolet light (5) emitted by the light source (4) and to down convert received ultraviolet light (5) and to emit said down converted light (50) in the visible or infrared spectrum so that emitted down converted light (50) impinges on the photodetector (3).
G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
36.
Duct sensor with duct probe for sampling a fluid from a duct and method of operation
A duct probe (20) for sampling a fluid from a main fluid flow (Fm) in a duct (10) defines an elongated supply channel (21) n elongated discharge channel (22). The supply channel has at least one inflow opening (23) for diverting a partial flow (Fp) from the main fluid flow into the supply channel, and the discharge channel has at least one outflow opening for returning the partial flow from the discharge channel into the main fluid flow after it has passed an environmental sensor (30). The duct probe further comprises at least one compensation opening (26) that connects the supply channel and the discharge channel in a region that is located between their closed and open ends. By the presence of the compensation opening (26), a jet flow (Fj) is created, which acts to reduce a pressure difference between the supply channel and the discharge channel when the duct probe is exposed to the main fluid flow (Fm).
A photoacoustic gas sensor device is proposed for determining a value indicative of a presence or a concentration of a component in a gas. The photoacoustic gas sensor device comprises a substrate, and a measurement cell body arranged on a first side of the substrate. The substrate and the measurement cell body define a measurement cell enclosing a measurement volume. The measurement cell comprises an aperture for a gas to enter the measurement volume. The device further comprises an electromagnetic radiation source for emitting electromagnetic radiation, and a microphone for measuring a sound wave generated by the component in response to an absorption of electromagnetic radiation by the component. The electromagnetic radiation source and the microphone are arranged on the first side of the substrate and in the measurement volume. The microphone has a bottom port facing the substrate, and the measurement volume is communicatively coupled to the bottom port.
G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
G01K 15/00 - Testing or calibrating of thermometers
G01N 25/00 - Investigating or analysing materials by the use of thermal means
G01N 25/20 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
39.
Sensor module, particularly for measuring ambient temperature
The invention relates to a sensor module (1) for measuring at least one measurand, comprising: a housing (2) having a flow duct (23) with an air inlet (21) and an air outlet (22), the housing (2) enclosing an interior (20) of the housing (2); a circuit board (4) arranged in the interior (20); at least one sensor (3) which is arranged on the circuit board (4) and is designed to measure at least one measurand of an air flow (L) conducted past the sensor (3); a terminal (5) arranged on the circuit board (4) for making electrical contact with the sensor module (1); and a fan (6), which has a motor (60) and a rotor (61) which can be rotated about an axis of rotation (z) by means of the motor (60), the motor (60) being electrically conductively connected to the circuit board (4), and the fan (6) being designed to generate an air flow (L) in the flow duct (23) between the air inlet (21) and the air outlet (22) such that the air flow (L) flows past the sensor (3) and, in the region of the air inlet (21), flows in a flow direction (x) which runs at an angle (V) in the range of 45° to 90° to the axis of rotation (z).
G01K 13/024 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
B60H 1/00 - Heating, cooling or ventilating devices
A resistive metal oxide gas sensor comprises a support structure and a porous sensing layer (1) arranged on the support structure or partly housed therein. Electrodes (2) are in electrical communication with the porous sensing layer (1), and a heater (3) is in thermal communication with the porous sensing layer (1). The heater (3) can be operated to heat the porous sensing layer (1) to a target temperature for allowing a determination of the presence or the concentration of a target gas, i.e., ozone, based on a sensing signal supplied via the electrodes (2). The porous sensing layer (1) comprises a network of interconnected monocrystalline metal oxide nanoparticles (14) and a gas-selective coating (12) of the network. A thickness (t1) of the porous sensing layer (1) is at most 10 pm. The coating (12) comprises one or more of silicon oxide and silicon nitride, and is of a thickness (t12) of less than 5 nm.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
A dual-comb spectrometer comprising two lasers outputting respective frequency combs having a frequency offset between their intermode beat frequencies. One laser acts as a master and the other as a follower. Although the master laser is driven nominally with a DC drive signal, the current on its drive input line nevertheless oscillates with an AC component that follows the beating of the intermode comb lines lasing in the driven master laser. This effect is exploited by tapping off this AC component and mixing it with a reference frequency to provide the required frequency offset, the mixed signal then being supplied to the follower laser as the AC component of its drive signal. The respective frequency combs in the optical domain are thus phase-locked relative to each other in one degree of freedom, so that the electrical signals obtained by multi-heterodyning the two optical signals are frequency stabilized.
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
H01S 5/062 - Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
A capacitive sensor includes a substrate and an electrode structure including at least a first electrode, a second electrode and a sensing layer arranged between the first electrode and the second electrode. The sensor further includes a measurement circuit configured to measure the capacitance of the electrode structure by applying, at a first measurement phase, a first pair of electrical potentials including a first electrical potential of the first electrode and a first electrical potential of the second electrode to the first electrode and the second electrode by applying, at a second measurement phase, a second pair of electrical potentials including a second electrical potential of the first electrode and a second electrical potential of the second electrode to the first electrode and the second electrode. The first electrical potential of the second electrode and the second electrical potential of the second electrode are different from each other.
G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
G01D 5/24 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
43.
METHOD FOR MANUFACTURING AN ELECTROCHEMICAL GAS SENSOR
In a method for manufacturing an electrochemical gas sensor for sensing a target gas, a semi-manufactured gas sensor is provided. The semi-manufactured gas sensor comprises a substrate (5) supporting an arrangement comprising a thin film (2) of a thickness s ≤ 5pm arranged between a sensing electrode (1) configured to chemically interact with the target gas and a reference electrode (3) facing the substrate (5). The thin film (2) is an electronically non-conducting and ionically non-conducting ceramic or glass. The arrangement then is heated to an annealing temperature (T1) for irreversibly turning the thin film (2) into an ionic conductor by incorporating mobile ions released from the sensing electrode (1) in response to the heating.
A particulate matter sensor device comprising an enclosure (21) that comprises a flow inlet (11), a flow outlet (12) and a flow channel (2) extending therebetween, a radiation source for emitting radiation into the flow channel (2) for interaction of the radiation with the particulate matter in the flow (20) of an aerosol sample when guided through the flow channel (2), a radiation detector (4) for detecting at least part of said radiation after interaction with the particulate matter. The sensor device comprises a flow modifying device (511) arranged upstream of the radiation detector (4) and/or of the radiation source (3) for modifying the flow (20) for reducing particulate matter precipitation onto the radiation detector (4) and/or onto the radiation source (3) and/or the channel wall sections in close proximity to the detector (4) and/or source (3). The invention also relates to a method of determining parameters of particulate matter in an aerosol sample by using such a particulate matter sensor device.
A sensor device for determining at least one heat transfer parameter of a gas comprises a sensor unit (10) comprising at least one heater element and at least one temperature sensor. A first (inner) housing (20) receives the sensor unit. The first housing comprises a first membrane (22) allowing a diffusive gas exchange between the exterior and the interior of the first housing. The first housing is received in a second (outer) housing (30). The second housing comprises a second membrane (32) allowing a diffusive gas exchange between the exterior of the second housing and the exterior of the first housing. Thereby temperature gradients inside the first housing are reduced. The second housing can be made of metal and can be disposed on a support plate (40), taking the form of a cap. An auxiliary sensor (50) can be arranged in the space between the first and second housings.
G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
G01N 25/48 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on solution, sorption, or a chemical reaction not involving combustion or catalytic oxidation
46.
Device for regulating a mixing ratio of a gas mixture
A regulation device for regulating a mixing ratio (x) of a gas mixture comprises a first conduit (1) for carrying a flow of a first gas (e.g., air) and a second conduit (2) for carrying a flow of a second gas (e.g., a fuel gas). The first and second conduits (1, 2) open out into a common conduit (3) in a mixing region (M) to form the gas mixture. A first sensor (S1) is configured to determine at least one thermal parameter of the gas mixture downstream from the mixing region. A control device (10) is configured to receive, from the first sensor, sensor signals indicative of the at least one thermal parameter of the gas mixture and to derive control signals for adjusting device (V1) acting to adjust the mixing ratio, based on the at least one thermal parameter.
A particulate matter (PM) sensor comprises a substrate forming a cavity (5), the substrate comprising a semiconductor chip (4), and a light source (1) arranged in the cavity (5). The light source (1) is adapted to emit a light beam (7). The light beam (7) forms a detection volume (8) for particulate matter (9) outside the cavity (5). Optionally, the particulate matter sensor comprises an optical element (2) delimiting the cavity (5) at one end. The optical element (2) is configured to shape the light beam (7). Further, the particulate matter sensor comprises at least one photodetector (3) that is integrated into a surface of the semiconductor chip (4). The surface into which the at least one photodetector (3) is integrated faces the detection volume (8). The at least one photodetector (3) is adapted to detect light (10) scattered by particulate matter (9) in the detection volume (8).
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific, nautical, surveying, photographic,
cinematographic, optical, weighing, measuring, signalling,
checking (supervision), life-saving and teaching apparatus
and instruments, chips (integrated circuits), chips
comprising integrated sensors, sensors (measuring apparatus)
other than for medical use, pressure sensors, gas detectors,
pollutant detectors, optical sensors, temperature sensors,
heat detectors, hygrometers, humidity sensors, mass flow
sensors, gas flow sensors, liquid flow sensors, differential
pressure sensors, measuring apparatus and instruments, flow
meters; software, embedded operating software, application
software, application software for mobile phones, software
for computers, application and database integration
software, software for synchronizing data between hand-held
or portable computers and host computers. Scientific and technological services as well as research
and design relating thereto, product development, scientific
and industrial research, services provided by consultants in
the field of scientific and industrial research, development
of chips with embedded sensors, detecting devices, sensor
systems, transmitters, and control and research systems in
the field of the aforesaid goods; design and development of
computers and software, cloud computing, software writing
(design), software development services, services provided
by consultants in the field of cloud computing applications
and networks.
49.
PROCESS FOR MANUFACTURING AN ELECTRONIC DEVICE WITH A SENSITIVE AREA AND ELECTRONIC DEVICE WITH A SENSITIVE AREA
A first aspect of the invention relates to a process for manufacturing an electronic device which comprises the following steps: providing a substrate (1); surface mounting an electronic component (2) on the substrate (1), the electronic component (2) having a sensitive area (3); surface mounting a protection cap (5) on the substrate (1), wherein the protection cap (5) covers the sensitive area (3) or an access (211) towards the sensitive area (3); and applying conformal coating to the substrate (1). A second aspect of the invention relates to an electronic device comprising a coated substrate (1), an electronic component (2) with a sensitive area (3) and one of the following elements, extending over and/or around and/or at the side of the electronic component (2): A surface mounted protection cap (5), a remaining part of.a surface mounted protection cap (5), a deformed surface mounted protection cap (5), residue of a mount of a surface mounted protection cap (5).
OM) supplied by the gas sensor in response to a second measurement (OM). Outgassing is understood as the release of chemical substances from the one or more components.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
09 - Scientific and electric apparatus and instruments
Goods & Services
Environmental monitoring systems consisting of electronic
sensors providing interpreted or translated measurements to
monitor, detect, record and report air quality, ozone
levels, humidity, temperature, air contaminants, air toxins,
odors, emissions, radiation, gases, chemical and biological
hazards and other air contaminants and pollutants by
wireless transmission of these measurements to a computer.
A vibrational circular dichroism (VCD) spectroscopy method and apparatus that can significantly reduce the measurement time needed to acquire a differential absorption spectrum compared to known approaches. A dual-comb is generated by superimposing the outputs from two quantum cascade laser sources, thus providing a third comb interferogram with beat frequencies higher than the polarization modulation frequency. Consequently, for each of the left and right circularly polarized light, the measurement signal measures transmission through the sample across the full wavelength range of interest during each period of the polarization modulation. A complete vibrational spectrum is thus acquired in each modulation of a polarization modulator, instead of only acquiring data for a single wavelength during each modulation of the polarization, as in dispersive or tunable laser VCD, or only a single Fourier component of the spectrum, as in Fourier transform VCD.
G01N 21/3581 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared lightInvestigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using Terahertz radiation
The invention relates to a method for culturing and detecting microorganisms, comprising the steps of providing a liquid sample (S) in a barrel (10) of a device (1) for culturing and detecting microorganisms, passing the liquid sample (S) through a first filtering membrane (40) such that microorganisms contained in the liquid sample (S) are retained at a first side (41) of the first filtering membrane (40), contacting said first side (41) with a first growth medium (210) capable of supporting growth of microorganisms, incubating the first filtering membrane (40) and the first growth medium (210) at an incubation temperature, arranging a sensing surface (51) of a gas sensor (50) in fluid connection with a second side (42) of the first filtering membrane (40), detecting a metabolic gas released by the microorganisms by means of the gas sensor (50). The invention further relates to a device (1) for culturing and detecting microorganisms, comprising a barrel (10) enclosing a barrel compartment (13) for receiving a liquid sample (S), a first piston (20) which (20) is movable in said barrel (10), wherein said barrel compartment (13) is configured to be brought in fluid communication via a first filtering membrane (40) with a sensing surface (51) of a gas sensor (50) configured to detect a metabolic gas released by microorganisms, wherein the first filtering membrane (40) is configured to retain microorganisms contained in the liquid sample (S) at the first side (41) of the first filtering membrane (40). Furthermore, a sensor cartridge (4) and a kit of parts comprising the device (1) are provided.
C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor
A heterodyne detection spectrometer setup comprises an optical path with at least a first cavity able to emit a first laser beam; a second cavity able to emit a second laser beam; and at least one combining and/or reflecting element. The cavities are connected to current drivers for stimulating laser emission, which shows increased signal-to-noise ratios of the heterodyne signal and an increased dynamic range. This can be reached if at least the second cavity comprises an active medium connected to a heterodyne signal extraction element and a (multi-) heterodyne signal processing unit, which is simultaneously usable for laser light generation and as detector element, comprising an active medium introduced in the optical path in order that the first and/or second laser beam can enter the respective other cavity. At least one reference path is established between the two cavities in the optical path with at least two combining and/or reflecting elements.
G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
G01B 9/02003 - Interferometers characterised by controlling or generating intrinsic radiation properties using two or more frequencies using beat frequencies
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
A gas sensor includes a sensing element of a material including metal oxide and is sensitive to a target gas and to a recalibration gas different from the target gas. For recalibrating the gas sensor, a resistance of the sensing element is measured as an updated recalibration gas baseline resistance in a recalibration environment showing a recalibration gas baseline concentration.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01N 27/04 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
A dual-comb spectrometer 5 with two lasers 10, 12 serving as a local oscillator and an interrogator. The lasers output light beams with respective frequency combs C1, C2 of defined free spectral range, FSR. A detector 30 can detect heterodyne mixing of the combined beams to detect an RF frequency comb C3. Respective control signals are supplied to the lasers which have functional forms configured to cause the frequencies of the lasers' frequency combs C1, C2 to tune over a defined fraction of their FSR. This enables a reduction of the effective spectral sampling period by a factor equal to the ratio of the FSR to the spectral resolution of the spectrometer, which will typically be several orders of magnitude, so that the spectral sampling period can be reduced from the GHz to the MHz range, which in turn enables a gapless spectrum to be obtained in a short time.
G01N 21/39 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using tunable lasers
H01S 5/34 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
H01S 5/40 - Arrangement of two or more semiconductor lasers, not provided for in groups
09 - Scientific and electric apparatus and instruments
Goods & Services
Environmental monitoring systems consisting of electronic sensors providing interpreted or translated measurements to monitor, detect, record and report air quality, ozone levels, humidity, temperature, air contaminants, air toxins, odors, emissions, radiation, gases, chemical and biological hazards and other air contaminants and pollutants by wireless transmission of these measurements to a computer
A sensor module as well as a method for manufacturing a sensor module for determining a property of a fluid, in particular for measuring air quality, comprises a printed circuit board, at least one sensor on the printed circuit board for measuring a parameter of the surrounding air and a housing for the printed circuit board. A part of the printed circuit board protrudes from an opening in the housing (10), wherein the at least one sensor (21, 22) is located on a front side of the protruding part of the printed circuit board. In addition, at least the front side of the protruding part of the printed circuit board, with the exception of a recess for the at least one sensor, is encapsulated with a filling compound. The sensor module can be used in an interior or an air duct of motor vehicles or buildings. In one embodiment, the sensor module measures temperature, relative humidity and gas concentration in a fluid, especially in the surrounding air.
G01K 7/16 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements
G01K 13/02 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
G01N 25/66 - Investigating or analysing materials by the use of thermal means by investigating moisture content by investigating dew-point
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01K 13/024 - Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
60.
Sensor for determining the thermal capacity of natural gas
The disclosure concerns a sensor device for determining the thermal capacity of a natural gas. The sensor device comprises a substrate, a recess or opening arranged in the substrate, a first heating component and a first sensing component. The first heating component comprises a first heating structure and a temperature sensor and the first sensing component comprises a temperature sensor. The sensor device is configured to measure the thermal conductivity of the natural gas at a first measuring temperature and at a second measuring temperature. The sensor device is configured to determine a first, in particular a constant, and a second, in particular a linear temperature coefficient of a temperature dependency function of the thermal conductivity and to determine the thermal capacity of the natural gas based on a fitting function. The fitting function is dependent on the first and the second temperature coefficient.
A photoacoustic gas sensor device for determining a value indicative of a presence or a concentration of a component in a gas comprises a measurement cell (2) enclosing a measurement volume (3) and a gas permeable area (4) in the measurement cell (2) for a gas to enter the measurement volume (3). An electromagnetic radiation source (7) is arranged to emit electromagnetic radiation (8) into the measurement volume (3), and a pressure transducer (6) is arranged to measure a sound wave (9) generated by the component in response to an absorption of electromagnetic radiation (8) by the component in the measurement volume (3). In one aspect, the gas permeable area (4) is represented by a porous gas permeable membrane (5) with an average pore size of the porous gas permeable membrane (5) between 10 nm and 1 pm. In another aspect the gas permeable area (4) is represented by an area of the measurement cell (2) containing holes (211) reaching through an otherwise gas tight material of the measurement cell (2), with a diameter of the holes (211) between 100 nm and 10 μm.
A sensor module comprises a master sensor unit for sensing a first environmental parameter, a slave sensor unit for sensing a second environmental parameter, a common substrate on which the master sensor unit and the slave sensor unit are mounted, and a digital bus interface for a communication between the master sensor unit and the slave sensor unit. The master sensor unit comprises a non-volatile memory for storing calibration data and configuration data of the master sensor unit and the slave sensor unit. The master sensor unit is embodied as a first chip, and the slave sensor unit is embodied as a second chip. Such sensor module is compact, robust and versatile.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G06F 1/04 - Generating or distributing clock signals or signals derived directly therefrom
The present invention relates to a sensor (1) for sensing organic carbon in a liquid (L), comprising: a container (2) having an interior space (20) for receiving the liquid (L), a photodetector (3), and a light source (4) configured to emit ultraviolet light (5) so that the ultraviolet light (5) travels along an optical path (P) through liquid (L) residing in the interior space (20) and is absorbable by carbon bonds of organic molecules in the liquid (L). According to the present invention, the photodetector (3) is configured to detect light in the visible or infrared spectrum, and the sensor (1) comprises a down conversion material portion (22; 22a) arranged in the optical path, wherein the down conversion material portion (22; 22a) is configured to receive incoming ultraviolet light (5) emitted by the light source (4) and to down convert received ultraviolet light (5) and to emit said down converted light (50) in the visible or infrared spectrum so that emitted down converted light (50) impinges on the photodetector (3).
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
G01N 21/33 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
A photodetector comprises a substrate (5), and supported by the substrate (5) a configuration (6) configured to act as optical resonator and to absorb incident radiation of a band, in particular infrared radiation. The configuration (6) comprises: a resonant frontside structure (4) facing the incident radiation; a backside structure (1) and arranged between the frontside structure (4) and the substrate (5); and a layer of an active material (3) made from a semiconducting material, and configured to convert at least part of the incident radiation of the band into charge carriers. At least one of the frontside structure (4) and the backside structure (1) is made from electrically conducting material. One or more of the frontside structure (4) and the backside structure (1) is in contact with the active material (3). The configuration (6) is configured to selectively absorb the incident radiation of the band. The one or more of the frontside structure (4) and the backside structure (1) in contact with the active material (3) is contacted by electrical contacts (7) for sensing the charge carriers in the active material (3). The active material (3) comprises an amorphous or a polycrystalline material.
H01L 31/108 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier being of the Schottky type
H01L 31/0232 - Optical elements or arrangements associated with the device
H01L 31/0368 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including polycrystalline semiconductors
H01L 31/0376 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including amorphous semiconductors
65.
DUCT SENSOR WITH DUCT PROBE FOR SAMPLING A FLUID FROM A DUCT AND METHOD OF OPERATION
A duct probe (20) for sampling a fluid from a main fluid flow (Fm) in a duct (10) defines an elongated supply channel (21) and an elongated discharge channel (22). The supply channel has at least one inflow opening (23) for diverting a partial flow (Fp) from the main fluid flow into the supply channel, and the discharge channel has at least one outflow opening for returning the partial flow from the discharge channel into the main fluid flow after it has passed an environmental sensor (30). The duct probe further comprises at least one compensation opening (26) that connects the supply channel and the discharge channel in a region that is located between their closed and open ends. By the presence of the compensation opening (26), a jet flow (Fj) is created, which acts to reduce a pressure difference between the supply channel and the discharge channel when the duct probe is exposed to the main fluid flow (Fm).
A photoacoustic gas sensor device for determining a value indicative of a presence or a concentration of a component in a gas comprises a substrate (1) and a measurement cell body (2), the substrate (1) and the measurement cell body (2) defining a measurement cell enclosing a measurement volume (3). A reflective shield (17) divides the measurement volume (3) into a first volume (31) and a second volume (32). An opening (4) in the measurement cell is provided for a gas to enter the measurement volume (3). In the first volume (31) and on a front side (11) of the substrate (1) are arranged: An electromagnetic radiation source (7) for emitting electromagnetic radiation (8) through an aperture (18) in the reflective shield (17) into the second volume (32); and a pressure transducer (6) communicatively coupled to the second volume (32) for measuring a sound wave (9) generated by the component in response to an absorption of electromagnetic radiation (8) by the component. At least a portion of a surface (171) of the reflective shield (17) facing the second volume (32) is made of a material reflecting electromagnetic radiation (8).
A photoacoustic gas sensor device is proposed for determining a value indicative of a presence or a concentration of a component in a gas. The photoacoustic gas sensor device comprises a substrate (1), and a measurement cell body (2) arranged on a first side (11) of the substrate (1). The substrate (1) and the measurement cell body (2) define a measurement cell enclosing a measurement volume (3). The measurement cell comprises an aperture (4) for a gas to enter the measurement volume (3). The device further comprises an electromagnetic radiation source (7) for emitting electromagnetic radiation (8), and a microphone (6) for measuring a sound wave (9) generated by the component in response to an absorption of electromagnetic radiation (8) by the component. The electromagnetic radiation source (7) and the microphone (6) are arranged on the first side (11) of the substrate (1) and in the measurement volume (3). The microphone (6) has a bottom port (61) facing the substrate (1), and the measurement volume (3) is communicatively coupled to the bottom port (61).
A waveguide heterostructure for a semiconductor laser with an active part, comprising an active region layer depending of the type of semiconductor used, which is sandwiched between an electrode layer and a substrate, usable for dispersion compensation in a semiconductor laser frequency comb setup, an optical frequency comb setup and a manufacturing method.
H01S 5/34 - Structure or shape of the active regionMaterials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
H01S 5/32 - Structure or shape of the active regionMaterials used for the active region comprising PN junctions, e.g. hetero- or double- hetero-structures
69.
RESISTIVE METAL OXIDE GAS SENSOR AND BATTERY MONITORING SYSTEM
A resistive metal oxide gas sensor comprises a support structure and a porous sensing layer (1) arranged on the support structure or partly housed therein. Electrodes (2) are in electrical communication with the porous sensing layer (1), and a heater (3) is in thermal communication with the porous sensing layer (1). The heater (3) can be operated to heat the porous sensing layer (1) to a target temperature for allowing a determination of the presence or the concentration of a target gas, i.e., hydrogen, based on a sensing signal supplied via the electrodes (2). The porous sensing layer (1) comprises a network of interconnected monocrystalline metal oxide nanoparticles (14) and a gas-selective coating (12) of the network. A thickness (t1) of the porous sensing layer (1) is at most 10 pm. The coating (12) comprises one or more of silicon oxide and silicon nitride, and is of a thickness (t12) of at most 50 nm.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
H01M 10/42 - Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
70.
RESISTIVE METAL OXIDE GAS SENSOR, MANUFACTURING METHOD THEREOF AND METHOD FOR OPERATING THE SENSOR
A resistive metal oxide gas sensor comprises a support structure and a porous sensing layer (1) arranged on the support structure or partly housed therein. Electrodes (2) are in electrical communication with the porous sensing layer (1), and a heater (3) is in thermal communication with the porous sensing layer (1). The heater (3) can be operated to heat the porous sensing layer (1) to a target temperature for allowing a determination of the presence or the concentration of a target gas, i.e., ozone, based on a sensing signal supplied via the electrodes (2). The porous sensing layer (1) comprises a network of interconnected monocrystalline metal oxide nanoparticles (14) and a gas-selective coating (12) of the network. A thickness (t1) of the porous sensing layer (1) is at most 10 pm. The coating (12) comprises one or more of silicon oxide and silicon nitride, and is of a thickness (t12) of less than 5 nm.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
The disclosure relates to a capacitive sensor comprising a substrate (14) and an electrode structure (10) comprising at least a first electrode (11), a second electrode (12) and a sensing layer (15) arranged between the first electrode (11) and the second electrode (12). The sensor further comprises a measurement circuit (40, 500, 600) configured to measure the capacitance of the electrode structure by applying, at a first measurement phase, a first pair of electrical potentials comprising a first electrical potential of the first electrode and a first electrical potential of the second electrode to the first electrode (11) and the second electrode (12) by applying, at a second measurement phase, a second pair of electrical potentials comprising a second electrical potential of the first electrode and a second electrical potential of the second electrode to the first electrode (11) and the second electrode (12). The first electrical potential of the second electrode and the second electrical potential of the second electrode are different from each other. A further aspect relates to a method for capacitive sensing.
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
A particulate matter sensor device comprises an enclosure (21) defining a flow channel (2), a radiation source (3) for emitting radiation into the flow channel for interaction of the radiation with particulate matter in an aerosol sample in the flow channel, and a radiation detector (4) for detecting at least part of said radiation after interaction with the particulate matter. The sensor device comprises a flow modifying device (511) arranged upstream of the radiation detector and/or radiation source so as to reduce particulate matter precipitation onto the radiation detector, the radiation source and/or the channel wall sections in their proximity. The invention also relates to a method of determining parameters of particulate matter in an aerosol sample by using such a particulate matter sensor device.
An infrared device comprises a substrate. A configuration for emitting infrared radiation is supported by the substrate. The configuration comprises an electrically conducting layer arrangement of less than 50 nm thickness between dielectric layers. In addition, a heater arranged for heating the configuration to emit the infrared radiation is supported by the substrate.
G01N 21/35 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
G01J 3/10 - Arrangements of light sources specially adapted for spectrometry or colorimetry
A thermal sensor comprises an active element (41), e.g., a heater or cooler, at least one temperature sensor (31), and processing circuitry (50). The processing circuitry causes a change of power supplied to the active element (41). It then determines, at a plurality of times, a thermal parameter based on an output signal of the temperature sensors and analyzes the transient behavior of the thermal parameter. Based on this analysis, the processing circuitry determines a contamination signal that is indicative of a contamination on a sensing surface of the thermal sensor. If the thermal sensor comprises a plurality of temperature sensors arranged in different sectors of the sensing surface, a multi-sector thermal signal can be derived from the outputs of the sensors, and determination of the contamination signal can be based on the multi-sector thermal signal.
A sensor package comprises a sensor chip (3) with a sensitive element (31) exposed to an environment of the sensor package, and contact pads (2) for electrically contacting the sensor package. Electrical connections (5) are applied between the sensor chip (3) and the contact pads (2). A molding compound (1) at least partially encloses the sensor chip (3) and the contact pads (2). A unit (3, 73) consisting of the sensor chip (3) and optionally of a die pad (73) supporting the sensor chip (3) is arranged such that a top surface (ts) of the unit (3, 73) does not protrude from a level defined by a top surface (ts) of the contact pads (2), and a bottom surface (bs) of the unit (3,73) does not protrude from a level defined by a bottom surface (bs) of the contact pads (2).
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Scientific, research, navigation, surveying, photographic,
cinematographic, audiovisual, optical, weighing, measuring,
signalling, detecting, testing, inspecting, life-saving and
teaching apparatus and instruments; apparatus and
instruments for conducting, switching, transforming,
accumulating, regulating or controlling the distribution or
use of electricity; apparatus and instruments for recording,
transmitting, reproducing or processing sound, images or
data; downloadable or recorded media, software, blank
digital or analog recording and storage media; mechanisms
for coin-operated apparatus; cash registers, calculating
device; computers and computer peripherals; diving suits,
diving masks, earplugs for diving, nose clips for divers and
swimmers, diving gloves, breathing apparatus for underwater
swimming; fire extinguishers; CO2 detectors, gas detectors,
pollutant detectors, sensors (measuring apparatus) other
than for medical use, sensors and detectors. Scientific and technological services as well as research
and design services relating thereto; industrial analysis
and industrial research services; design and development of
computers and software.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; gas measuring apparatus, gas detecting apparatus, CO2 in the nature of carbon dioxide detectors, gas detectors for detecting the presence of gas, gas detectors for measuring the concentration of gas, pollutant detectors in the nature of pollutant sensors, sensors for detection of gas, sensors for measuring the concentration of gas Scientific and technological services, namely, research and design in the field of gas detection and gas measurement; design and development of computers and software
4, comprising: an adsorption filter (30) comprising a body (2) consisting of a molecular sieve material, a sensing element (10) for detecting said gas (G), and a carrier (4) for carrying the sensing element (10), wherein the carrier (4) comprises an opening (50) via which said gas (G) to be detected can reach the sensing element (10), and wherein the adsorption filter (30) is connected, particularly glued, to the carrier (4) and closes said opening (50) so that said gas (G) to be detected can diffuse through said body (2) towards the sensing element (10).
The disclosure concerns a sensor device for determining the thermal capacity of a natural gas. The sensor device comprises a substrate (1), a recess or opening (2) arranged in the substrate (1), a first heating component (11) and a first sensing component (31). The first heating component (11) comprises a first heating structure (21) and a temperature sensor and the first sensing component (31) comprises a temperature sensor. The sensor device is configured to measure the thermal conductivity of the natural gas at a first measuring temperature and at a second measuring temperature. The sensor device is configured to determine a first, in particular a constant, and a second, in particular a linear temperature coefficient of a temperature dependency function of the thermal conductivity and to determine the thermal capacity of the natural gas based on a fitting function. The fitting function is dependent on the first and the second temperature coefficient.
G01N 25/20 - Investigating or analysing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
G01N 25/00 - Investigating or analysing materials by the use of thermal means
G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
81.
DEVICE FOR REGULATING A MIXING RATIO OF A GAS MIXTURE
A regulation device for regulating a mixing ratio (x) of a gas mixture comprises a first conduit ( 1 ) for carrying a flow of a first gas (e.g., air) and a second conduit (2) for carrying a flow of a second gas (e.g., a fuel gas). The first and second conduits (1, 2) open out into a common conduit (3) in a mixing region (M) to form the gas mixture. A first sensor (SI) is configured to determine at least one thermal parameter of the gas mixture downstream from the mixing region. A control device (10) is configured to receive, from the first sensor, sensor signals indicative of the at least one thermal parameter of the gas mixture and to derive control signals for adjusting device (VI) acting to adjust the mixing ratio, based on the at least one thermal parameter.
The disclosure relates to a sensor for detecting and/or analysing a gas. The sensor comprises a substrate, a recess or opening arranged in the substrate, a first bridge structure and a second bridge structure. The first bridge structure and the second bridge structure extend over said recess or opening and are anchored in the substrate. The first bridge structure forms a first hotplate and comprises a first patch of sensing material, in particular of a metal oxide material, arranged on the first hotplate, electrodes adapted to measure an electrical property of the first patch and a heater adapted to heat the first hotplate. The second bridge structure comprises a temperature sensor. The sensor comprises circuitry for driving the heater and for processing signals from the electrodes and the temperature sensor. The sensor provides a first operation mode configured to perform a measurement of an electrical property of the first patch and a second operation mode configured to operate the second bridge structure in a sensing mode to perform a measurement of a thermal property of the gas. The thermal property is a thermal capacity and/or a thermal conductivity and/or a thermal diffusivity of the gas.
G01N 27/18 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
H05B 3/22 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
A sensor module comprises a master sensor unit (1) for sensing a first environmental parameter, a slave sensor unit for sensing (2) a second environmental parameter, a common substrate (3) on which the master sensor unit (1) and the slave sensor unit (2) are mounted, and a digital bus interface (4) for a communication between the master sensor unit (1) and the slave sensor unit (2). The master sensor unit (1) comprises a non-volatile memory (12) for storing calibration data and configuration data of the master sensor unit (1) and the slave sensor unit (2). The master sensor unit (1) is embodied as a first chip, and the slave sensor unit (2) is embodied as a second chip. Such sensor module is compact, robust and versatile.
A gas sensor comprises a support structure with a cavity (6), a sensing element (1) sensitive to a gas and arranged in the cavity (6), and a filter (3) spanning the cavity (6). The filter (3) is a size selective filter.
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
B01D 53/22 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by diffusion
SENSOR MODULE, IN PARTICULAR FOR MEASURING THE AMBIENT TEMPERATURE, THE RELATIVE HUMIDITY AND A GAS CONCENTRATION IN THE ENVIRONMENT OF THE SENSOR MODULE
The invention relates to a sensor module (1) having: a printed circuit board (2), at least one temperature sensor (3) which is arranged on the printed circuit board (2) and is intended to measure an ambient temperature, and at least one further sensor (4) which is arranged on the printed circuit board (2) and generates waste heat during operation of the further sensor (4). The invention provides for the sensor module (1) to be designed to thermally decouple the temperature sensor (3) from the further sensor (4) and/or to dissipate the waste heat of the further sensor (4).
An infrared device comprises a substrate (1). A configuration (3) for emitting infrared radiation is supported by the substrate (1). The configuration (3) comprises an electrically conducting layer arrangement (31) of less than 50 nm thickness between dielectric layers (34,35). In addition, a heater (7) arranged for heating the configuration (3) to emit the infrared radiation is supported by the substrate (1).
G01J 5/12 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
An electronic component comprises a carrier (3), a sensor device (2) mounted on the carrier (3), which sensor device (2) comprises a sensor chip (21), and an electrostatic discharge protection element (1) for protecting the sensor chip (21) from an electrostatic discharge, which protection element (1) is mounted on the carrier (3).
G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
H01L 27/02 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
H01L 23/60 - Protection against electrostatic charges or discharges, e.g. Faraday shields
2) and producing a comparison result (R), and monitoring said comparison result and producing a fault signal (FS) in case of a fault state. The present invention relates to such a sensor device.
G01N 25/18 - Investigating or analysing materials by the use of thermal means by investigating thermal conductivity
G01F 5/00 - Measuring a proportion of the volume flow
G01F 1/684 - Structural arrangementsMounting of elements, e.g. in relation to fluid flow
G01F 15/04 - Compensating or correcting for variations in pressure, density, or temperature of gases to be measured
G01F 1/68 - Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
G01N 25/00 - Investigating or analysing materials by the use of thermal means
G01F 25/00 - Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
a) of the seat that faces a passenger (P) sitting on the automotive seat (2), wherein the sensor module (1) is configured to be mounted such in said automotive seat (2) that it is spaced apart from said seat cover region (200). Further, the invention relates to an automotive seat (2) comprising such a sensor module (1).
B60H 1/00 - Heating, cooling or ventilating devices
A47C 7/74 - Adaptations for incorporating lamps, radio sets, bars, telephones, ventilation, heating or cooling arrangements or the like for ventilation, heating or cooling
An infrared device comprises a substrate (1), and arranged on or in the substrate (1) a configuration (3) for one of selectively emitting and selectively absorbing infrared radiation of a band, the configuration (3) comprising a pattern made from an electrically conducting material on a first level (L1), an electrically conducting film (33) on a second level (L2), and a dielectric layer (24) between the pattern and the film (33). One or more of a heater (4) for heating the configuration (3), and a thermal sensor (5) arranged for sensing the selective infrared radiation of the band absorbed by the configuration (3) on or in the substrate.
G01J 5/06 - Arrangements for eliminating effects of disturbing radiationArrangements for compensating changes in sensitivity
G01J 5/10 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
An electronic device (1) comprises a gas sensor (2) sensitive to a target gas and arranged inside a housing of the electronic device (1) or attached thereto, to detect a concentration (camb) of the target gas in an environment of the electronic device (1). A processing unit (4) is provided and configured to determine a concentration of the target gas (cB) outgassed from one or more components of the housing (3) or inside the housing (3) dependent on one or more first measurement results (R1,2) supplied by the gas sensor (2) in response to one or more first measurements (PM), and to determine the environmental target gas concentration (camb) dependent on the determined outgassed target gas concentration (cB) and dependent on a second measurement result (ROM) supplied by the gas sensor (2) in response to a second measurement (OM). Outgassing is understood as the release of chemical substances from the one or more components.
Aspects of the invention relate to a semiconductor chip comprising a substrate (1) and a stack (4) arranged on the substrate (1). The stack (4) comprises one or more insulating layers (2) and one or more metal layers (3). The chip comprises a sensor device (5) arranged in a sensor area (SA) of the semiconductor chip and processing circuitry (6) arranged in a processing area (PA) of the semiconductor chip. The chip further comprises connection circuitry (7) configured to provide an electrical connection between the sensor device (5) and the processing circuitry (6). A first seal ring structure (10) is arranged between an outer edge (ED) of the chip and an inner area (IA) of the chip. The inner area (IA) of the chip encompasses the sensor area (SA) and the processing area (PA). A second seal ring structure (11) is arranged between the sensor area (SA) and the processing area (PA) and configured to constrain an infiltration of contaminants from the sensor area (SA) to the processing area (PA).
A sensor package comprises a sensor chip (3) with a sensitive element (31) exposed to an environment of the sensor package, and contact pads (2) for electrically contacting the sensor package. Electrical connections (5) are applied between the sensor chip (3) and the contact pads (2). A molding compound (1) at least partially encloses the sensor chip (3) and the contact pads (2). A unit (3,73) consisting of the sensor chip (3) and optionally of a die pad (73) supporting the sensor chip (3) is arranged such that a top surface (ts) of the unit (3,73) does not protrude from a level defined by a top surface (ts) of the contact pads (2), and a bottom surface (bs) of the unit (3,73) does not protrude from a level defined by a bottom surface (bs) of the contact pads (2 ).
G01D 5/12 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means
A gas sensor (1) comprises a sensing element (11) of a material including metal oxide and is sensitive to a target gas and to a recalibration gas different from the target gas. For recalibrating the gas sensor (1), a resistance of the sensing element (11) is measured as an updated recalibration gas baseline resistance (RUpdBaseRG) in a recalibration environment (E3) showing a recalibration gas baseline concentration ( cBaseRG ).
The disclosure relates to a sensor for measuring a gas concentration of a target gas in a sample of ambient air. The sensor comprises a first gas sensitive component (110) comprising a first gas sensitive layer (111) being arranged between a first pair of measuring electrodes (160), a second gas sensitive component (120) comprising a second gas sensitive layer (121) being arranged between a second pair of measuring electrodes (161) and one or more heating elements (135) to heat the first gas sensitive layer (111) and the second gas sensitive layer (121). The first gas sensitive layer and the second gas sensitive layer comprise a metal oxide semiconductor. The first gas sensitive component (110) is configured to measure the gas concentration of the target gas in a first concentration band and the second gas sensitive component (120) is configured to measure the gas concentration of the target gas in a second concentration band. According to an embodiment, the sensor is configured to operate for both the measuring of the first concentration band and for the measuring of the second concentration band in a respective transition regime. The transition regime is situated between a perturbation regime and a saturation regime. The transition regime is characterized by a higher sensitivity to the target gas than the perturbation regime and the saturation regime. Further aspects of the disclosure relate to a corresponding method, a computer program product and an electronic device.
G01N 27/12 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluidInvestigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon reaction with a fluid
The invention relates to a sensor device (1) for detecting a gas (G), particularly a permanent gas such as H2, CO, CO2, CH4, comprising: an adsorption filter (30) comprising a body (2) consisting of a molecular sieve material, a sensing element (10) for detecting said gas (G), and a carrier (4) for carrying the sensing element (10), wherein the carrier (4) comprises an opening (50) via which said gas (G) to be detected can reach the sensing element (10), and wherein the adsorption filter (30) is connected, particularly glued, to the carrier (4) and closes said opening (50) so that said gas (G) to be detected can diffuse through said body (2) towards the sensing element (10).
A particulate matter sensor device comprising an enclosure (21) that comprises a flow inlet (11), a flow outlet (12) and a flow channel (2) extending therebetween, a radiation source for emitting radiation into the flow channel (2) for interaction of the radiation with the particulate matter in the flow (20) of an aerosol sample when guided through the flow channel (2), a radiation detector (4) for detecting at least part of said radiation after interaction with the particulate matter. The sensor device comprises a flow modifying device (511) arranged upstream of the radiation detector (4) and/or of the radiation source (3) for modifying the flow (20) for reducing particulate matter precipitation onto the radiation detector (4) and/or onto the radiation source (3) and/or the channel wall sections in close proximity to the detector (4) and/or source (3). The invention also relates to a method of determining parameters of particulate matter in an aerosol sample by using such a particulate matter sensor device.
A device for processing microorganisms comprises a channel (1) comprising an inlet (11) for introducing a fluid sample into the channel (1), and an outlet (12). The channel (1) is dimensioned to hold, between the inlet (11) and the outlet (12), a volume in a range between 1 nl and 50 μΐ of fluid. A size selective filter (13) is arranged at the outlet (12) for retaining microorganisms (M) in the channel (1). The size selective filter (13) comprises pores of a size smaller than an average size of the microorganisms (M) to be processed.
C12M 1/34 - Measuring or testing with condition measuring or sensing means, e.g. colony counters
C12N 1/00 - Microorganisms, e.g. protozoaCompositions thereofProcesses of propagating, maintaining or preserving microorganisms or compositions thereofProcesses of preparing or isolating a composition containing a microorganismCulture media therefor
C12Q 1/02 - Measuring or testing processes involving enzymes, nucleic acids or microorganismsCompositions thereforProcesses of preparing such compositions involving viable microorganisms
C12Q 1/04 - Determining presence or kind of microorganismUse of selective media for testing antibiotics or bacteriocidesCompositions containing a chemical indicator therefor
C12Q 1/18 - Testing for antimicrobial activity of a material
B81B 1/00 - Devices without movable or flexible elements, e.g. microcapillary devices
B81B 3/00 - Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
A method for processing a signal supplied by a sensor comprises receiving the sensed signal, and compensating the sensed signal for a contribution caused by one or more components thermally coupled to the sensor. The compensated signal in its dynamics, and the dynamics adjusted compensated sensor signal is provided.
G01K 1/20 - Compensating for effects of temperature changes other than those to be measured, e.g. changes in ambient temperature
G01D 3/036 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
G01K 7/42 - Circuits effecting compensation of thermal inertiaCircuits for predicting the stationary value of a temperature
G01D 3/02 - Measuring arrangements with provision for the special purposes referred to in the subgroups of this group with provision for altering or correcting the transfer function
A gas sensor module integrated onto a board comprising at least one radiation source configured for emitting radiation, at least one radiation detector unit configured to detect at least part of said radiation, and a radiation cell providing at least one radiation path from said radiation source to said radiation detector unit. Said board is provided with a recess and said radiation path is propagating within said recess.
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
