A microchip capable of sending liquid in a micro flow channel to a predetermined place irrespective of the pressure difference and sending a mixture of two or more liquid masses to a predetermined place even if the channel structure is simple. The microchip comprises an intermediate reservoir portion provided in a micro flow channel and adapted for temporarily holding liquid sent through the micro flow channel. The microchip is characterized in that the intermediate reservoir portion has a side channel, the volume of the intermediate reservoir portion is smaller than the total volume of the liquid sent into the intermediate reservoir portion, the side channel is provided for communication of a micro flow channel on the upstream side of the intermediate reservoir portion with a micro flow channel on the downstream side thereof, and the cross-section area of the side channel is smaller than that of the micro flow channel.
A radiation image capturing system and a console are described. The radiation image capturing system includes a radiation image capturing apparatus and a console. The console holds in advance a relationship between a number of the scanning line from which readout of the image data is started and an offset amount superimposed on the image data to be read out. When the preview image is displayed, the console modifies the relationship so that the starting point is moved to a position of the scanning line from which the radiation image capturing apparatus actually starts the readout, calculates the offset amount for each of the scanning lines, and displays the preview image based on a value obtained by subtracting the offset amount from the corresponding preview image data.
The present invention provides a method for displaying medical images and a medical image display system that do not require a medical practitioner to move his/her line of sight at the time of comparing/interpreting images and that can improve accuracy in diagnosis. According to the medical image display system of the present invention: an X-ray imaging device captures an image of a subject according to a first imaging mode by a fringe-scanning imaging device or a second imaging mode by a Fourier transform imaging device; a controller creates at least two images from among an X-ray absorption image, a differential phase image, and a small-angle scattering image on the basis of the captured moir image; and said at least two images that have been created are displayed in turn in the same position on a display section.
A biological substance detection method for detecting a biological substance specifically in a pathological specimen, comprising a step of immunologically staining the pathological specimen using a fluorescent label, a step of staining the pathological specimen with a staining reagent for morphology observation purposes (eosin) to observe the morphology of the pathological specimen, a step of irradiating the stained pathological specimen with excited light to cause the emission of a fluorescent and detecting the biological substance in the pathological specimen. In the step of immunologically staining the pathological specimen, a special fluorescent particle for which the excitation wavelength appears in a region that is different from the excitation wavelength region of eosin is used as the fluorescent label.
The present invention provides a production method of a radiation image detector, comprising a scintillator panel preparation step, a composite rigid plate preparation step of bonding a flexible polymer film to a rigid plate with an adhesive to prepare the composite rigid plate, a preparation step of a scintillator panel provided with a composite rigid plate of bonding the composite rigid plate to a scintillator panel to prepare the scintillator panel provided with a composite rigid plate, and a preparation step of a radiation image detection member of opposing the surface of the photoelectric conversion base plate in which the photoelectric conversion elements are disposed to the surface of the side of the scintillator layer of the scintillator panel provided with the composite rigid plate and bonding the photoelectric conversion base plate to the scintillator panel to prepare a radiation image detection member; whereby there are provided a production method of a radiation image detector which can be easily produced and results in superior image uniformity, and a radiation image detector obtained by the method.
A radiation image imaging apparatus includes: a sensor board in which a plurality of photoelectric conversion elements are arranged two-dimensionally; and a scintillator which converts an incident radiation into light and irradiates the light onto the photoelectric conversion elements, and a protection layer having an anti-static function is provided between the sensor board and the scintillator, and an anti-static layer having conductivity or an anti-static function is provided on a surface of the sensor board, the surface being opposite with a side facing the scintillator.
A radiation image capturing system which includes a radiation image capturing apparatus including a detection part, a scan activation unit, switch units, a reading circuit, a control unit and a communication unit, a radiation generation apparatus and a console wherein the radiation image capturing apparatus switches an image capturing method between a cooperation method in which radiation image capturing is performed in cooperation with the radiation generation apparatus and a non-cooperation method in which radiation image capturing is performed without cooperation with the radiation generation apparatus, and the console switches standby time which is a time period after the radiation image capturing apparatus becomes able to perform radiation image capturing until the radiation source is allowed to emit radiation onto the radiation image capturing apparatus between the cooperation method and the non-cooperation method.
A radiographic-image processing apparatus that can accurately remove striated artifacts superimposed onto image data taken by an FPD radiographic imaging device includes: a partitioning section that partitions a region, in which image data taken by a radiographic imaging device is arranged two-dimensionally, into segments; a mean-value computation section that computes mean values from the image data along the same scanning line in each segment; an edge compression section that compresses mean-value differentials in boundary regions between the imaged subject and the surroundings thereof; a filtering section that applies an adaptive filter to the differential-compressed profile; and a correction-data creation section that creates correction data on the basis of each datum in the adaptive-filtered profile. Image data in which noise is removed is generated by subtracting corresponding correction data from the image data.
A flat panel radiation detector is disclosed, comprising a scintillator panel provided on a support with a phosphor layer comprising columnar crystals and a protective layer sequentially in this order, and the scintillator panel being coupled with a planar light receiving element having plural picture elements which are arranged two-dimensionally, in which the difference between to average void fraction of an edge portion of the phosphor layer and the average void fraction of a base portion is not less than 5% and not more than 25%, and the void fraction decreases from the base portion to the edge portion. There is provided a flat panel radiation detector with a phosphor layer which exhibits enhanced physical resistance to shock and is superior in sharpness and emission efficiency.
Disclosed is a method of manufacturing a flat panel detector such that the surface on the side of a fluorescent body layer of a scintillator panel which has the fluorescent body layer comprising a column crystal on the supporting body, is coupled to the planar light receiving element surface of a light-receiving element, comprising: a step of manufacturing the scintillator panel which has a larger area than that of the planar light receiving element surface; a step of trimming the edges of the scintillator panel, obtained by the step of manufacturing the scintillator panel, to correspond to the area of the planar light receiving element surface; and a step of coupling the edge-trimmed scintillator panel to the planar light receiving element surface, thus providing a flat panel detector which has an excellent productivity and that can be made small in size without non-image area.
B23P 21/00 - Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
G01T 1/20 - Measuring radiation intensity with scintillation detectors
11.
Radiation image capturing apparatus with control device determining whether data fluctuation exceeds a threshold
A control device of a radiation image capturing apparatus performs repeated reading of leak data prior to radiation image capturing operation and, when a threshold value has been exceeded by the leak data having been read out, said control device detects the start of irradiation. If there are periodic fluctuations in the leak data read out prior to radiation image capturing operation even though irradiation has not started, said control device determines whether or not a threshold value has been exceeded by a value obtained by subtracting a previously obtained fluctuation pattern of the leak data from the read-out leak data during a time period including at least a time period when the leak data fluctuates.
Disclosed in an x-ray imaging device, which uses a Talbot-Lau interferometer, eliminates the effects on image quality of a reconstructed image that arises in such cases as when the direction of a multi-slit or each lattice slit is altered and imaging is performed, and provides reconstructed images favorable for diagnosis. When a plurality of moire images imaged with an imaging subject loaded onto a imaging subject stand (13) and a plurality of moire images imaged without the imaging subject are input, a control unit (51) of a controller (5) corrects signal value differences arising from variations in x-ray strength during imaging respectively between the plurality of moire images with the imaging subject and between the plurality of moire images without the imaging subject, and respectively creates a reconstructed image with the imaging subject and a reconstructed image without the imaging subject. Then, the control unit (51) creates a reconstructed image of the imaging subject for diagnosis by correcting, on the basis of the reconstructed image without the imaging subject, image unevenness in the reconstructed image with the imaging subject caused by heterogeneity in light distribution caused by the angle of rotation of the multi-slit.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A61B 6/00 - Apparatus or devices for radiation diagnosisApparatus or devices for radiation diagnosis combined with radiation therapy equipment
An ultrasound diagnostic equipment is equipped with an ultrasound probe which transmits an ultrasound wave toward an inner part of a subject and receives the ultrasound wave reflected with a particle body in the subject and acquires a received signal to displays internal body information in the subject based on the received signal. The ultrasound diagnostic equipment includes: an acquisition section to acquire the received signal for each of ultrasound waves of which frequencies differ; an intensity ratio calculation section to calculate an intensity ratio of the ultrasound wave for each of frequencies; and a display section to display the information on the intensity ratio.
The control device allows a step of reading the leak data and a step of resetting each radiation detection element to be executed alternately before radiation image capturing. When the data exceed a threshold value, the irradiation start is detected and electric charge is accumulated. Then, the step of reading the image data is executed. After this, the control device further allows a step of reading the leak data and a step of resetting each radiation detection element to be performed alternately at the same cycle time as that in the step of reading the leak data and the step of resetting each radiation detection element performed before detecting the irradiation start. After transfer to the electric charge accumulation state, the control device further permits a step of reading the offset data to be executed at the same cycle time as that in the step of reading the image data.
G01T 1/24 - Measuring radiation intensity with semiconductor detectors
H04N 5/361 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to dark current
H04N 5/359 - Noise processing, e.g. detecting, correcting, reducing or removing noise applied to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
A radiographic system includes: a radiographic apparatus; a radiation generator that irradiates radiation to the radiographic apparatus; and a console which forms a radiation image based on an image data transmitted from the radiographic apparatus, wherein when a radiation image capturing is completed, a controller transmits thinned-out data in which read-out image data are thinned at a prescribed ratio, to the console, which displays a preview image on a display section based on the thinned-out data, when a rejection operation that rejects the preview image through an input section is conducted, the console transmits a stop signal that instructs the radiographic apparatus to stop a series of processing, and wherein when the controller receives the stop signal, the controller stops the series of processing currently in progress, and returns an operation state of each functional section to an operation state before the radiation image capturing is carried out.
Disclosed is a radiation image conversion panel wherein luminance is improved by preventing the disorder of the structure of phosphor columnar crystals, thereby eliminating the scattering and refraction of optical elements which is emitted by an X-ray-irradiated phosphor and propagated in the direction of a photoelectric conversion element. Moreover disclosed is a radiation image detector using the same. The radiation image conversion panel is characterized in that the radiation image conversion panel comprises a phosphor layer on the substrate, that the phosphor layer is configured of the phosphor columnar crystals formed from a phosphor matrix compound and an activator by vapor deposition, and that the degree of the orientation of the surface of the phosphor columnar crystals, the degree of the orientation being based on X-ray diffraction spectrum and the surface having a fixed mirror index, is in the range of 80 to 100% without regard to the position in the direction of the thickness of the layer from the root near the substrate to the tip of the phosphor columnar crystals of the phosphor layer.
A laminated piezoelectric material has a four-layered piezoelectric material and electrode layers for applying a voltage to each layer of the four-layered piezoelectric material. Each piezoelectric material has an inorganic piezoelectric material with a remanent polarization in a thickness direction. The layers are laminated so that a direction of an electric field is counter to a direction of the remanent polarization in one of the layers and the direction of the electric field coincides with the direction of the remanent polarization in the other three layers, or the direction of the electric field coincides with the direction of the remanent polarization in one of the layers and the direction of the electric field is counter to the direction of remanent polarization in the other three layers, when a voltage is applied to each piezoelectric material of the four-layered piezoelectric material via electrode layers.
Disclosed are fluorescent substance-containing silica nanoparticles containing a fluorescent substance therein featured in that the surface of the silica nanoparticles is coated with a material having a bulk refractive index of from 1.60 to 4.00. The invention can provide fluorescent substance-containing silica nanoparticles excellent in long term storage stability and a biosubstance labeling agent employing the same.
In a radiation image capturing system, prior to radiation image capturing operation, the radiation image capturing apparatus repeats on an alternate basis, a step of reading leak data and a step of resetting each of the radiation detection elements, wherein the step of reading leak data is performed by turning off all switch units, allowing a reading circuit to perform cyclic reading operations under this condition and converting electric charge leaking out of radiation detection elements through the switch units into the leak data, thereby detecting a start of irradiation based on the leak data having been read out. The image processing apparatus analyzes a profile of image data along the extension of signal lines of the radiation image capturing apparatus, and identifies a range of the image data where a defect has occurred, whereby the image data in the identified range is corrected.
The steps of the method to make the scintillator panel are providing a first support having thereon a phosphor layer; dividing the first support the phosphor layer into a plurality of scintillator panel sections each having a first support section and a phosphor layer section thereon; providing an adhesive member between a side of the first support section of each of the plurality of the scintillator panel sections and a side of a second support; adhering the plurality of the scintillator panel sections onto the second support; forming a protective layer on a whole surface of the plurality of the scintillator panel sections except a portion of the scintillator panel sections which is contacted with the adhesive member; and separating the scintillator panel sections with their protective layer thereon from the second support. The separated scintillator panel sections with their protective layer are then adhered to light receiving element to form the flat panel detector.
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
G01T 1/202 - Measuring radiation intensity with scintillation detectors the detector being a crystal
21.
Cassette type radiographic image solid-state detector
A cassette type radiographic image solid-state detector includes: a detector unit having a scintillator for converting incident radiation into light and a detection section which receives and converts the light converted by the scintillator into electric signals; and a housing containing the detector unit, the housing having a rectangular tubular housing body which has openings at both ends and is formed in a rectangular tube shape using carbon fiber, and a first cover member and a second cover member for covering the openings of the rectangular tubular housing body, wherein a wall of the rectangular tubular housing body facing to a direction perpendicular to an incident direction of radiation is thicker than a wall of the rectangular tubular housing body facing to the incident direction of radiation.
The radiographic-image capturing device is provided with: a detecting unit that has multiple scanning lines and multiple signal lines arranged so as to intersect with each other, and has multiple radiation detection elements arranged two-dimensionally at each of the areas partitioned by the multiple scanning lines and multiple signal lines; a reading circuit that reads electric charges from the radiation detection elements via the signal lines, and converts the electric charges to electric signals, and outputs the electric signals as image data, for each of the radiation detection elements; and compressing means for compressing image data of each of the radiation detection elements. The compressing means creates difference data between the image data of adjacent radiation detection elements, for each of the image data outputted from multiple radiation detection elements connected to the same signal line, and compresses this difference data.
In a medical information system, with respect to a plurality of kinds of medical databases, a plurality of search items included in a search query inputted by a user are sorted in accordance with search divisions, and thereby divided into a finding report search query and a specimen test query. By using these queries, the corresponding databases are searched independently, and individual search results obtained therefrom are combined to generate a combined search result. The individual search result is assigned with an individual score in accordance with the matching degree with the search item. In combining the individual search results, a relevancy score is assigned. The search results are ranked and combined in descending order of the scores. This requires only one issuance of a search execution order without the need to perform a search operation a plurality of times, in order to obtain a desired search result.
A radiation image photographing apparatus is provided with a bias source to apply a bias voltage via bias lines to radiation detecting elements arranged in a two dimensional form in regions divided by scanning lines and signal lines. The bias lines are connected to the radiation detecting elements with a ratio of one bias line to the radiation detecting elements arranged on one column in an extension direction of the signal line, and the bias lines are connected per a predetermined number of bias lines to either one of a plurality of connection lines. The bias voltage is applied from the bias source to the connection lines via the bias lines so that the bias voltage is applied to the radiation detecting elements via the bias lines connected to the connection lines.
A scintillator panel which has achieved enhanced sharpness and sensitivity is disclosed, comprising on a first support a phosphor layer comprising phosphor columnar crystals formed by a process of vapor phase deposition and containing a parent component of cesium iodide (CsI) and an activator of thallium (Tl), and the phosphor layer comprising a first layer of a CsI layer which is in the bottom portion of the phosphor layer and does not contain any activator of thallium, and on the first layer, a second layer of a CsI—Tl layer which contains the activator of thallium and exhibits not more than 32% of a coefficient of variation of concentration of thallium in the direction of thickness.
Disclosed is a quantum dot-embedded silica nanoparticle having plural quantum dots embedded within the silica nanoparticle, wherein the number of quantum dots existing in a concentric area within 10% of a radius from a center of the silica nanoparticle accounts for 10 to 70% of the number of total quantum dots embedded in the silica nanoparticle.
In an ultrasonic diagnostic device S according to the present invention, a reference signal generation unit 30 generates a reference signal to be used in correlation processing based on a direct reception signal obtained by receiving a first ultrasonic signal prior to being transmitted to a subject. Consequently, the ultrasonic diagnostic device S configured in this manner is able to generate a more suitable reference signal.
Provided is a radiation image detecting system including a cassette type radiation image detecting apparatus capable of being driven by electric power supplied from a built-in battery; a charge controlling circuit to control charging of the battery; a cradle supplying electric power to the radiation image detecting apparatus; and a cable supplying electric power to the radiation image detecting apparatus, wherein the radiation image detecting apparatus includes a connection section being electrically connected to each of the cradle and the cable to receive the electric power; the battery is charged by the cradle being connected to the connection section and by the cable being connected to the connection section; and the charge controlling circuit switches a charging current between a time when the cradle is connected to the connection section and a time when the cable is connected to the connection section.
A portable radiation image capturing apparatus is described. In the portable radiation image capturing apparatus multiple image capturing elements are two-dimensionally arranged, the apparatus is provided with a current detecting means for detecting a current flowing in the apparatus, a read-out circuit having a power supply mode in which the charge generated in each image capturing element can be read out and converted into an electric signal and a stand-by mode in which charge is not read out and power is consumed less than in the power supply mode, and a control means for causing the read-out circuit to change from the stand-by mode to the power supply mode when detecting start of irradiation with radiation on the basis of an increase in the current value detected by the current detecting means while the read-out circuit is in the stand-by mode.
H05G 1/58 - Switching arrangements for changing-over from one mode of operation to another, e.g. from radioscopy to radiography, from radioscopy to irradiation
A scintillator panel which is capable of obtaining a radiation image exhibiting enhanced luminance and sharpness and achieving improved storage stability is disclosed, comprising on a support a base layer and a phosphor layer provided sequentially in this order, wherein the phosphor layer comprises (columnar) phosphor crystals formed of a phosphor parent compound and an activator by a process of vapor phase deposition and the base layer comprises crystals formed of the phosphor parent compound and an activator, and a relative density of the base layer is lower than a relative density of the phosphor layer and a relative content of an activator of the base layer is lower than a relative content of an activator of the phosphor layer.
G01T 1/20 - Measuring radiation intensity with scintillation detectors
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
31.
Scintillator panel, radiation detector, and method for manufacturing the same
Provided are a scintillator panel and a radiation detector which give a radiation image reduced in sensitivity unevenness and sharpness unevenness. Also provided are processes for producing the scintillator and the detector. The scintillator panel comprises a support and, deposited thereon, a phosphor layer comprising columnar crystals of a phosphor which have been formed by the vapor deposition method. The panel is characterized in that the columnar crystals of a phosphor comprise cesium iodide (CsI) as a base ingredient and thallium (Tl) as an activator ingredient and have, in a root part thereof, a layer containing no thallium, and that the coefficient of variation in thallium concentration in the plane of the phosphor layer is 40% or less.
An array-type ultrasonic vibrator according to the present invention has an acoustic matching layer that has a plate-like body made of a material having a lower acoustic impedance than a plurality of piezoelectric elements. Signal wiring is formed on the plate-like body of the acoustic matching layer. Accordingly, for this array-type ultrasonic vibrator, the signal wiring can be easily formed without using additional components.
A radiation image detector including: an internal power supply section, which is capable of being charged, to supply power to each section; an external power supply terminal to receive power from an external power source to allow the internal power supply section to be charged; and a power supply control section to control supply of the power to the internal power supply section, the power being received from the external power source via the external power supply terminal, wherein when detecting that the external power supply terminal receives power from the external power source, the power supply control section judges an operating state of each section, and controls supply of the power to the internal power supply section according to the operating state of each section, the power being received from the external power source via the external power supply terminal.
Provided are a portable radiographic image detector capable of transmitting with a smaller number of transmissions the read results of dark reads performed a plurality of times when an offset calibration or the like is carried out, and a radiographic image generation system using the portable radiographic image detector. The portable radiographic image detector comprises: a sensor panel with a plurality of radiation detector elements; a storage means for storing dark read values outputted from the radiation detector elements; a calculation means for calculating the offset correction value for each of the radiation detector elements, based on a plurality of dark read values obtained from the outputs of the radiation detector elements at every dark read of a plurality of times of dark reads previously performed; a communication means for transmitting the offset correction value for each of the radiation detector elements to an external device; and a built-in battery.
A radiation image conversion panel which is excellent in luminance and sharpness is disclosed, comprising a phosphor layer formed on a support by a process of vapor growth, and the support comprising a resin and exhibiting a linear thermal expansion coefficient of 20 to 70 ppm/° C.
Disclosed are a radiation image conversion panel which has achieved a radiation image with enhanced sharpness and improved moisture resistance and shock resistance, and a production method thereof. The radiation image conversion panel comprises, on a support, a phosphor layer comprising phosphor columnar crystals, each composed mainly of cesium iodide (CsI) and formed by a process of gas phase deposition, wherein a coefficient of variation of crystal diameter of the phosphor columnar crystals is not more than 50% and a coefficient of variation of phosphor filling factor of the phosphor layer is not more than 20%.
G01T 1/20 - Measuring radiation intensity with scintillation detectors
37.
Organic piezoelectric material, ultrasonic oscillator using the material, method for manufacturing the ultrasonic oscillator, ultrasonic probe, and ultrasonic medical diagnostic imaging device
Provided is an organic piezoelectric material which has excellent piezoelectric property, heat resistance property in particular. An ultrasonic oscillator, which is to be used for an ultrasonic medical diagnostic imaging device which can receive high frequencies at high sensitivity and is suitable for harmonic imaging techniques, a method for manufacturing such oscillator, and an ultrasonic probe are also provided. The ultrasonic medical diagnostic imaging device is provided by sing such oscillator, method and probe. The organic piezoelectric material is characterized by containing empty particles having an average particle diameter of 10 μm or less.
A61B 8/00 - Diagnosis using ultrasonic, sonic or infrasonic waves
C08G 18/76 - Polyisocyanates or polyisothiocyanates cyclic aromatic
B06B 1/06 - Processes or apparatus for generating mechanical vibrations of infrasonic, sonic or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
Disclosed are a radiation scintillator and a radiation image detector comprising the radiation scintillator. The radiation scintillator which exhibits enhanced sharpness and luminance and is excellent in shock resistance, comprises, on the substrate, a scintillator layer containing a phosphor and formed by a process of gas phase deposition, and the scintillator layer exhibits a thickness of 100 to 500 μm, a filling factor of the phosphor of 75 to 90% by mass and a layer thickness distribution of not more than 20%.
b) is passed in such manner that the periphery of the gas/liquid interface at the front end of the reagent moves forward and backward along the wall face of the reaction channel (10).
A cassette type radiographic image solid-sate detector that is an FPD compatible with a CR cassette, thin-shaped with s sufficient strength, capable of preventing a housing from being deformed by external stress to deal with an external shock, and capable of portable radiography. The cassette type radiographic image solid-state detector comprises a detector unit including a scintillator layer for converting incident radiation into light and a signal detecting section for receiving the light obtained by the conversion by the scintillator layer and converting the light to an electrical signal, a housing including a housing body formed of carbon fibers and a first cover member and a second cover member covering openings of the housing body and containing the detector unit. The thickness of the housing in the direction of incidence of the radiation conforms to JIS Z 4905. At least one of the cover members is structured to be insertable into the detector unit.
In an ultrasound probe (2) and a method for manufacturing the ultrasound probe (2) of the invention, an organic piezoelectric element (21) has a sheet-like form, and is directly or indirectly laminated on a part or the entirety of a plurality of inorganic piezoelectric elements (22). Accordingly, the ultrasound probe (2) can be manufactured with a less number of steps. An ultrasound diagnostic apparatus of the invention includes the ultrasound probe (2). Accordingly, the cost of the ultrasound diagnostic apparatus can be reduced.
It is possible to improve a diagnostic performance by a dynamic image and in particular, to provide information effective for diagnosis of the lung ventilation function. Provided is a dynamic image capturing system including: a calculation device which calculates a dynamic feature amount according to a plurality of frame images of the dynamic image captured by an imaging device; and a diagnosis console which displays the frame images of the captured dynamic image as a dynamic image display or a still image display on a display screen of a display unit and colors at least one of the frame images with a color in accordance with a calculation result of a feature amount obtained by the calculation device. In the diagnosis of the lung ventilation function, the breast portion of an examinee is dynamically imaged over a plurality of time phases to calculate a feature amount and an estimated ventilation amount at each of the time phases, so that the calculation results are displayed on the display screen.
Provided is a flat panel detector which prevents aging deterioration of characteristics of a phosphor layer, protects the phosphor layer from chemical alteration or physical impact, and maintains a stable contact state between a scintillator panel and a flat light receiving element. Disclosed is a flat panel detector comprising a scintillator panel comprising a scintillator provided with a phosphor layer on a substrate and a protective layer covering the phosphor surface of the scintillator, and the scintillator panel being placed on the surface of a flat light receiving element comprising plural picture elements which are two-dimensionally arranged, wherein a releasable adhesive layer is provided on the protective layer surface.
wherein B is an average activator concentration (mol %) of an uppermost phosphor layer, based on a phosphor and A is an average activator concentration (mol %) of the other phosphor layers, based on a phosphor.
0 of the multi-slit element is set to be not less than 2 μm. With the settings, the abovementioned good X-ray image can be obtained by using the Talbot-Lau interferometer system.
G03H 5/00 - Holographic processes or apparatus using particles or using waves other than those covered by groups or for obtaining hologramsProcesses or apparatus for obtaining an optical image from them
G01N 23/205 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using diffraction of the radiation by the materials, e.g. for investigating crystal structureInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materialsInvestigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by using reflection of the radiation by the materials using diffraction cameras
wherein A is an average activator concentration of the scintillator layer and B is an activator concentration in a region of the scintillator layer from the reflection layer side to the position of L/5.
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
47.
Ink-jet head, ink-jet printer, and ink-jet recording method
Disclosed is an inkjet recording method wherein an image is formed on a recording medium by spraying an ink containing at least a photopolymerizable compound onto the recording medium through a nozzle of an inkjet head. This inkjet recording method enables to perform a stable image recording by suppressing formation of a precipitate in the head. This inkjet recording method is characterized in that in an inkjet head, which is used for forming an image on a recording medium by spraying an inkjet ink containing at least a photopolymerizable compound through a nozzle, the surface of at least a part of metals constituting the internal member of the inkjet head which is in contact with the inkjet ink is subjected to a passivation treatment or an insulation coating treatment.
Disclosed is a radiation image conversion panel containing a support having thereon a phosphor layer containing an alkali metal halide phosphor which is deposited on the support by a gas phase accumulation method, wherein the alkali metal halide phosphor includes a columnar crystal and an existing ratio of an activation agent of the columnar crystal on a surface of the columnar crystal to an inner portion of the columnar crystal is from 0.7 to 20.
G03B 42/08 - Visualisation of records by optical means
49.
Fluorescent semiconductor microparticle assembly, fluorescent labeling agent assembly for biological substance, and bioimaging method and biological substance analysis method using the assemblies
Disclosed is a fluorescent semiconductor microparticle assembly comprising at least three kinds of fluorescent semiconductor microparticles with an average particle size of from 1 to 10 nm, having the same chemical composition, a different average particle size and a different emission maximum wavelength in the emission spectra, wherein a standard deviation of emission intensity in each of the at least three kinds of fluorescent semiconductor microparticles is not more than 15%.
A small-scale diagnostic system and a display control method are provided. In the diagnostic system, while image data on a patient is displayed on a screen of a medical image control device, when image data on another patient is received from an image generating device, and the medical doctor wants to display the received image data on the another patient on the screen for examining the image and diagnosing the another patient, the displayed image on the screen can be switched to that of the image data on the another patient by a simple operation of depressing a patient selection button. This enables the medical doctor to perform image diagnosis efficiently in a small-scale facility such as a clinic.
Disclosed are a radiation image conversion panel, which provides high luminance, an image without white or black defects, an image free from cracks and an image with reduced unevenness, and its manufacturing method. Also disclosed is an X-ray radiographic system employing the radiation image conversion panel. The radiation image conversion panel of the invention comprises a substrate and provided thereon, a reflection layer, a phosphor layer and a protective layer in that order, wherein the phosphor layer is composed of a phosphor crystal in the form of column, and the reflection layer is formed by vapor phase deposition of two or more kinds of metals.
An active ray curable ink-jet ink comprising at least an organic pigment, a polymer dispersant, a photo-initiator and a cationic polymerizable compound, wherein the active ray curable ink-jet ink incorporates a quaternary ammonium salt and a content of the quaternary ammonium salt is not less than 5 ppm and not more than 500 ppm.
An image processor executes an image processing under an appropriate condition. The image possessor comprises an important area detecting section (120) for detecting a bone portion or soft portion as an important area included in an X-ray image, a weight image creating section (130) for creating a weight image for imparting a predetermined weight to the pixels of the important area, histogram computing section (140) for multiplying the weight of the weight image by the pixel value of the X-ray image and computing a weighted histogram from the results of the multiplication, evaluating section (150) for evaluating the weighted histogram with a predetermined evaluation function and computing a shift value at which the evaluation result takes on a maximum value, image processing condition determining section (160) for so determining an image processing condition so as to obtain a predetermined processing result from the pixel value of the X-ray image corresponding to the maximum value of the evaluation function for obtaining a shift value, and image processing section (170) for executing an image processing under the image processing condition.
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
A production method of nano-sized silicon crystal particles comprising the step of allowing monosilane to be oxidized in a bulk liquid phase to form the nano-sized silicon crystal particles within the bulk liquid phase, wherein a liquid of the bulk liquid phase is an unsaturated hydrocarbon free from an oxidizing gas; and isolating the nano-sized silicon crystal particles from the bulk liquid phase.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
56.
Si/Si3N4 system nanosized particles, biosubstance labeling agent employing the nanosized particles, and method of manufacturing the nanosized particles
A semiconductor nanoparticle and semiconductor nanorod that have optical characteristics (luminescence intensity and emission lifetime) superior to those of conventional core/shell nanosized semiconductors. There are provided a triple-layer semiconductor nanoparticle, and triple-layer semiconductor nanorod, having an average particle diameter of 2 to 50 nm and comprising a core layer, an interlayer and a shell layer, wherein the layers are composed of different crystals, and wherein the crystal constructing the shell layer exhibits a band gap greater than that of the crystal constructing the core layer, and wherein the crystal constructing the interlayer has a lattice constant assuming a value between those of the crystal constructing the core layer and the crystal constructing the shell layer.
B32B 5/16 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by features of a layer formed of particles, e.g. chips, chopped fibres, powder
A radiation image radiographing system 1 including a radiation image detector 5 detecting a radiated radiation to obtain image information, a console 6 operating the radiation image detector 5, and associating means for performing the association with the console 6 operating the radiation image detector 5 at the time of radiography, wherein the radiation image detector 5 includes a power supplying means 21 controlling the state of power supply according to the operation status of the console 6 associated by the associating means.
H05G 1/58 - Switching arrangements for changing-over from one mode of operation to another, e.g. from radioscopy to radiography, from radioscopy to irradiation
Disclosed is a radiation image conversion panel comprising on a support a vapor-deposited photostimulable phosphor layer containing an alkali metal halide phosphor, wherein the surface element composition of the alkali metal halide phosphor exhibits a ratio of alkali metal to halide of 1.0 to 1.5.
b which are configured with a plurality of light sources divided into a predetermined number of the light sources or number of a plurality of the light sources.
A radiographing system wherein, in the “Receiving” state of having received the radiographing order from one control terminal apparatus, an FPD does not receive other radiographing reservation, or in the “Receiving” state of having received the radiographing order from one control terminal apparatus, a management server does not receive any other radiographing order.
The present invention provides a technique capable of generating and providing information in which various elements are associated with one another in accordance with situations. An information processing system has a server and a plurality of terminals. Each of the terminals obtains element associated information obtained by associating elements belonging to items included in a plurality of element items and transmits the element associated information to the server. The server receives the element associated information from each of the terminals. In the case where one or more terminals included in the plurality of terminals satisfies a specific condition, the server generates network information obtained by associating elements belonging to the items between the items on the basis of one or more pieces of element associated information received from the one or more terminals.
G06F 15/173 - Interprocessor communication using an interconnection network, e.g. matrix, shuffle, pyramid, star or snowflake
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
The present invention provides an inkjet recording apparatus, which performs high resolution image recording by inhibiting propagation of heat from a light-radiation device to a recording medium, is provided with a recording medium conveyance device to convey a recording medium in a conveyance direction; a recording head 10 to emit ink from a nozzle towards the recording medium; a first supporting member 5 to convey the recording medium so that the recording medium faces the recording head; a light radiation device 16 to radiate an activation energy ray towards the in emitted from the recording head; and a second support member 7 to convey the recording medium in a conveyance direction so that the recording medium faces the light radiation device; wherein between the first supporting member 5 and the second supporting member 7, in a recording medium conveyance direction, there are disposed a guide section 6 having a cooling device.
Disclosed in an image recording method comprising the steps of ejecting a first water-based UV curable color ink onto a non-absorptive substrate to form a first color ink image on the non-absorptive substrate, exposing to ultraviolet rays the first color ink image to form a first UV cured color ink image, ejecting a second water-based UV curable color ink onto the first UV cured color ink image to form a second color ink image on the first UV cured color ink image, and exposing to ultraviolet rays the second color ink image to form a second UV cured color ink image, wherein a static contact angle of the second water-based UV curable color ink to the first UV cured color ink image is in the range of from 10 to 50°.
A radiation image conversion panel containing a substrate having thereon a phosphor layer, wherein the phosphor layer is formed with a vapor deposition method, and an adhesion force of the phosphor layer with the substrate is greater than a breaking strength of the phosphor layer.
The console selects one radiographing order information item from the radiographing order information list stored in the storing section. A step is taken to determine whether or not the one selected radiographing order information item has a predetermined relationship with the other radiographing order information, and the permission of additional selection is granted only to the radiographing order information having a predetermined relationship.
G06Q 50/00 - Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
An inkjet recording apparatus having: a recording head including a nozzle row jetting ultraviolet curable ink on a substrate; and an LED light source including a plurality of LEDs disposed in the direction of the nozzle row, being electrically series-connected, and irradiating an ultraviolet light on ink having been jetted onto the substrate, wherein a total illuminance of two adjacent LEDs of the LED light source on a surface of the substrate is larger than an illuminance required for curing of the ink at an entire area of a section between each two adjacent LEDs, and a maximum of the total illuminance is set to be illuminance less than two times of a minimum of the total illuminance in the section between each two adjacent LEDs.
An inkjet recording apparatus, including a recording head having a nozzle array to eject photo-curable ink onto a recording medium, and a radiating device which is placed next to the recording head, and which radiates an ink-curing light onto the photo-curable ink ejected on the recording medium, wherein the radiating device includes a plurality of light source units which radiate photo-curable ink, and a plurality of flow channels which are mounted to intersect with the nozzle array, and in which cooling water is made to flow to cool the plurality of the light source units.
An active ray curable ink-jet ink set comprising an active ray curable yellow ink, an active ray curable cyan ink, an active ray curable black ink, and further one or more active ray curable color inks other than yellow, cyan and black, wherein each of the active ray curable inks contains a photo-polymerization initiator, a photo-polymerizable compound, a pigment, and a dispersing agent which has an amine value and an acid value, provided that the acid value is higher than the amine value, and an average particle diameter of the pigment contained in the yellow ink is larger than that of the pigment in the cyan ink and than that of the pigment in the black ink by 0.025-0.090 μm, and further the average particle diameter of the pigment contained in each of the inks of the active ray curable ink-jet ink set is 0.070-0.220 μm.
A scintillator panel comprising: a radiation-transparent substrate; and a phosphor layer provided on the substrate, the phosphor layer emitting light when irradiated with a radiation, wherein at least one edge of the substrate and at least one edge of the phosphor layer are arranged on a same plane.
A cassette type radiation image detector having a box-shaped cassette housing configured by engaging a front member that is light-shielding and radiation-transmissive, with a light-shielding back member, and a two-dimensional array type radiation detection sensor for detecting radiation images incorporated in the radiation image detector, the radiation image detector including: a sensor supporting member that supports the radiation detection sensor; a first engaging member provided at the sensor supporting member; a second engaging member provided at the back member; and a shock absorbing member positioned between the first engaging member and the second engaging member, wherein the box-shaped cassette housing is formed by engaging the first engaging member with the second engaging member via the shock absorbing member.
An active ray curable ink-jet ink comprising at least one type of a photo acid generating compound, a cationic polymerizable compound and a pigment, wherein the active ray curable ink-jet ink contains a fatty acid amine salt comprising a fatty acid having a carbon number of 6-18 and a primary, a secondary or a tertiary amine having a carbon number of 4-12 in an amount of 0.01-0.70 weight % based on the total weight of the ink-jet ink.
Disclosed an ink jet recording apparatus for recording images in a recording medium having an ink absorbability, including: a recording head including a nozzle for jetting a photocurable ink onto the recording medium; and a light irradiation device to apply light to the photocurable ink landed on the recording medium, wherein: the light irradiation device includes a first light source to emit light having a first emission spectrum, and a second light source to emit light having a second emission spectrum whose peak wavelength is shorter than a peak wavelength of the first emission spectrum, and the first and second light sources are arranged so that the first light source irradiates the photocurable ink landed on the recording medium and thereafter the second light source irradiates the photocurable ink.
In a plurality of pieces of single report structured data that is stored in a structured database in a diagnosis information database, character information constructing a radiological report describing detailed information of image data is added as metadata for search to the image data. For example, only by designating image data to be read as image (retrieval reference image) data as a reference of retrieval by a reading physician as the user during radiological operation, the character information already added to the retrieval reference image data is set as a keyword. By a keyword search using the metadata, data of a similar image and a related report of the retrieval reference image data are detected from the structured DB.
G06Q 50/00 - Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
77.
Actinic radiation curable ink, image forming method and ink-jet recorder, utilizing the same
An actinic radiation curable ink comprising: a photopolymerizable compound; and a urethane polymer, wherein a content of isocyanate groups remaining in the urethane polymer is 0.1% or less based on the total number of the isocyanate groups required to prepare urethane polymer in the actinic radiation curable ink.
Disclosed is an ink-jet printer ejecting an ink comprising a cationic-polymerizable compound onto a recording medium, wherein the ink-jet printer comprises ink-contact members which constitute an ink tank retaining the ink and an ink jet supply passage of from the ink tank to a recording head ejecting the ink and the ink-contact members are each comprised of a material which does substantially not undergo electron transfer with the ink.
A diagnosis system includes an image generating apparatus for forming photographed image data and a control apparatus, wherein the image generating apparatus includes an FPD having an image generating device for forming the photographed data, an image memory capable of storing the photographed image data formed by the image generating device in order of photographing and a communication section 236 capable of transmitting the photographed image data stored in the image memory to the control apparatus, and the control apparatus includes a communication section 36 for receiving the photographed image data transmitted from the communication section 236 and a CPU for correlating the photographed image data received by the communication section 36 with patient information of the patient corresponding to the photographed image data.
A diagnosis aiding system that photographs an examination subject without a photographing order and generates image data of the examination subject, and thereafter links the image data with the examination subject, includes: an image generating unit that photographs an examination subject and generates data of a photographed image of the examination subject; a switching operation unit to input switching information on an examination subject; and a controller that stores one or more photographed images, of a single examination subject, generated by the image generating unit between input of preceding switching information and input of subsequent switching information via the switching operation unit, linking the one or more photographed images with examination subject information on the single examination subject.
An objective is to provide a planographic printing plate material exhibiting excellent developability, printing durability, together with excellent oxygen-shielding layer adhesion and moisture dependence after exposure. Disclosed is a planographic printing plate material possessing a support provided thereon, a photosensitive layer, wherein the photosensitive layer comprises (A) at least two binder polymers comprising different glass transition points (Tg) from each other, (B) a polymerizable ethylenic double bond-containing compound, and (C) a photopolymerization initiator.
G03F 7/033 - Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
Nanosized semiconductor particles of a core/shell structure is disclosed, wherein the particles each comprise a core and a shell and exhibit an average particle size of not more than 100 nm and a coefficient of variation in core size distribution of not more than 30%.
H01B 1/00 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors
H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances
84.
Information presentation system, computer program, and computer software product
Associated information is prepared and stored in a support information DB, the information being such that elements belonging to a plurality of element items respectively forming medical information on at least one patient are associated with each other between the items. Then, on a medical-support-information presenting screen displayed at a display unit, a selecting condition selecting one or more elements and an output target item are specified and input in response to user control. As a result, with respect to information that satisfies the selecting condition out of the associated information, the display unit visibly outputs statistical information about the output target item.
G06Q 50/00 - Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
National University Corporation Oskaka University (Japan)
Keunsik Park (Japan)
Toshiaki Nakano (Japan)
Naoaki Suganuma (Japan)
Inventor
Sasai, Kosuke
Matsumura, Yasushi
Park, Keunsik
Nakano, Toshiaki
Suganuma, Naoaki
Abstract
The present invention provides a technique for supporting accurate and smooth creation of a report. Information in which elements belonging to items included in a plurality of items of elements constructing a report are associated with each other between the items is stored in an input support database. Partial information corresponding to an extraction condition designated by an input from an input client by the user is extracted from the input support database and visually output (displayed) in a view in a report creating area.
An object is to provide a scintillator plate exhibiting even sharpness, and further exhibiting enhanced sharpness by use of CsI crystals. Disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a plurality of phosphor columnar crystals, and any two phosphor columnar crystal diameters represented by a and b (a≧b) satisfy the following inequality of 1.0≦a/b<1.5. Further disclosed is a scintillator plate for radiation comprising a support and provided thereon a phosphor layer emitting light caused upon exposure to radiation, wherein the phosphor layer comprises a phosphor made from cesium iodide (CsI) as a base material and an activator, and a most dominant growth direction in the phosphor is (n 0 0) plane (where n=1, 2 or 3).
An ink jet recording apparatus provided with a supporting member to support and convey a recording medium in a prescribed direction, a recording head to emit ink onto the recording medium, an activation energy ray irradiation unit which irradiates an activation energy ray on the ink emitted on the recording medium, and an activation energy ray absorption section formed by coating or mixing an activation energy ray absorption material, including an inorganic material, at a portion where the activation energy ray is irradiated.
An ink-jet recording apparatus includes: a conveyance section which conveys a recording medium; a plurality of recording heads each aligned along a conveyance direction of the recording medium, which ejects the same kind of photo-curing type ink onto the recording medium conveyed by the conveyance section; and a plurality of light irradiating sections each aligned along the conveyance direction of the recording medium, which irradiates light onto the recording medium to which the photo-curing type ink has been ejected from each of the plurality of recording heads.
A system including an inspection chip equipped with at least a pump connection having a flow path opening for interconnecting to a micro-pump, a flow path through which a fluid flows, and a fluid mixing section for joining and mixing two or more fluids, and including a system body equipped with at least a base body, a chip connection having a flow path opening for interconnecting to the inspection chip, a micro-pump unit in the base body including micro-pumps in substantially the same shape, a detection processor and a controller for controlling at least the functions of the micro-pump unit and the detection processor, and the joining amount ratio is adjusted to set the mixing ratio of two fluids to be joined in the fluid mixing section to be approximately m:n (not 1:1) by making the drive voltages of the micro-pumps substantially equal to each other.
The inkjet recording apparatus has a color ink recording head to jet color ink toward a recording medium; an invisible ink recording head to jet invisible ink toward the recording medium; and a light irradiating device to irradiate light toward the recording medium to cure the ink. A control section causes the color ink to be jetted then the light irradiating device irradiates the color ink, thereafter the invisible ink is jetted, and finally the light irradiating device irradiates the invisible ink after a lapse of a certain time from the invisible ink jetting.
A radiographic image detector to detect radiation applied thereto and obtain radiographic image information, includes: an internal power supply to supply power to drive units at least upon imaging; a communication unit to perform communication with an external device; a connection terminal connectable to a connection unit which performs at least one of charging of the internal power supply and the communication with the external device; a storing unit to store at least one of an image and information; a connection detecting unit to detect whether the connection terminal is connected to the connection unit; a state checking unit to check a state of each unit; and a control unit to control the state checking unit such that the state checking unit checks the state of each unit when the connection detecting unit has detected that the connection unit is connected to the connection terminal or disconnected therefrom.
Disclosed is a preparation method of a radiation image conversion panel by a vapor deposition method, in which a support member is supported and rotated and the stimulable phosphor evaporated from the evaporation source is deposited onto the support member to form a stimulable phosphor layer. The radiation image conversion panel manufactured by the method is also disclosed.
G21K 4/00 - Conversion screens for the conversion of the spatial distribution of particles or ionising radiation into visible images, e.g. fluoroscopic screens
An object is to provide an ink package accompanied with an ink bag, that exhibits satisfactory light shielding and ink resistance properties maintaining for a long period of time at low cost against external factors such as vibration and bending, employed via a UV curable ink jet recording method. Disclosed is a UV curable ink package possessing a bag formed with a multilayer and a UV curable ink stored in the bag, wherein the multilayer contains a light shielding layer and an ink resistance layer having a weight changing rate of not more than 1% obtained via an immersion test, employing the UV curable ink that is to be stored in the bag.
B65D 35/00 - Pliable tubular containers adapted to be permanently deformed to expel contents, e.g. collapsible tubes for toothpaste or other plastic or semi-liquid materialHolders therefor
94.
Cationically polymerizable composition, actinic radiation curable ink-jet ink, and production method of cationically polymerizable composition
A cationically polymerizable composition containing a cationically polymerizable compound and a cationic polymerization initiator, wherein a total content of a cationic compound, a metal compound and a strong acid compound contained in the cationically polymerizable composition is in the range of 1 to 500 ppm by weight based on the total weight of the cationically polymerizable composition.
C08G 65/02 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
C08G 65/04 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
C08G 65/10 - Saturated oxiranes characterised by the catalysts used
An activated light curable inkjet ink including: a photo-initiator, photo-polymerizable compound dispersant and modified silicone oil, wherein, when 0.1 percent by mass of the modified silicone oil is added to said activated light curable inkjet ink containing no modified silicone oil, a surface tension at 25° C. is reduced by 0 through 3 mN/m.
An inkjet recording method including the steps of: ejecting an ink having viscosity from 5 to 20 mPa·s from a nozzle of an inkjet head toward a recording medium; forming a main droplet and at least one satellite out of the ink; controlling a drive voltage of the inkjet head to make conditions that a velocity of the main droplet is at least 5 m/s at a point 1 mm away from a surface of the nozzle, and that a distance between the main droplet at the point 1 mm away from the nozzle surface and a satellite at the end of the at least one satellite is at most 500 μm; and recording an image of the ink on the recording medium.
An inkjet printer includes a plurality of recording heads for jetting inks of a plurality of kinds onto a recording medium, a light emitting device for irradiating light onto ink having reached the recording medium, a driving device for moving the plurality of recording heads and the recording medium relatively and bidirectionally, and a control device for performing control to form an image by controlling the plurality of recording heads to jet ink while moving the plurality of recording heads and the recording medium relatively in one direction and in an opposite direction, and changing ink jetting amounts to be jetted from the respective recording heads, depending on whether jetting ink while the recording heads are moving in the one direction or in the opposite direction, so that the same color is formed in the both moving directions of the recording heads.
An ink jet recording apparatus having: a recording head having a plurality of nozzles formed thereon to jet ink; a feeding device to feed a recording medium; and a control unit to control ink jetting from the nozzles of the recording head so that the recording head is driven with multi-phase drive to record with recorded pixel locations shifted at every drive phase switching by an integer times a pixel width of a recording resolution.
An actinic ray curable composition is disclosed, comprising and oxetane ring-containing compound and an epoxy compound, in which the oxetane ring-containing compound comprises a compound containing a single oxetane ring and a compound containing at least two oxetane rings, and the compound containing a single oxetane ring accounting for 1% to 20% by weight if the composition. There are also disclosed an ink for use in ink jet printing and an image forming method by use thereof.
C08G 65/02 - Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
C08G 65/06 - Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
patents
