Arc welding machines; arc welding torches; parts and
accessories for arc welding machines; electric metal cutting
machines; electric welding machines for metalworking;
metalworking machines and tools; welding electrodes; welding
torches and parts thereof; pumps for cooling welding
torches; spatter elimination apparatus for welding torch
nozzles and parts thereof; spatter elimination apparatus for
contact tips for welding torches and parts thereof; spatter
and fume elimination apparatus for welding machines;
cleaning machines for welding machines; cleaning machines
for welding electrodes; welding wire feeders; robotic
welding system comprised primarily of industrial welding
robots and replacement parts therefor; industrial welding
robots for changing parts for welding machines; welding
electrodes grinding machines.
A method for manufacturing an anti-noise component according to the present invention comprises: a first arrangement step for arranging a magnetic core 20 on a first lower mold 61 so that a corner portion of a boundary 213 of the magnetic core 20 is supported by the first lower mold 61, and receiving the magnetic core 20 in a receiving part 631 of a middle mold 63 while placing the middle mold 63 on the first lower mold 61; a first molding step for filling a first space 67 formed by a first upper mold 65, the middle mold 63, and the first lower mold 61 with a first resin 40 while arranging the first upper mold 65 on the middle mode 63; a second arrangement step for sandwiching the middle mold 63 between a second upper mold 71 and a second lower mold 73 and forming a second space 75 by the second upper mold 73, the middle mold 63, and the second lower mold 71 in a state in which the magnetic core 20 is held by the first resin 40 in the receiving part 631 of the middle mold 63; and a second molding step for filling the second space 75 with a second resin 50.
B29C 45/14 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
B29C 33/12 - Moulds or coresDetails thereof or accessories therefor with incorporated means for positioning inserts, e.g. labels
B29C 43/18 - Compression moulding, i.e. applying external pressure to flow the moulding materialApparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
B29C 45/16 - Making multilayered or multicoloured articles
A powder magnetic core capable of improving the reliability of an inductor is provided. A powder magnetic core according to one aspect of the present disclosure is a powder magnetic core in which a magnetic powder is bonded via an insulating layer. The insulating layer includes a phosphoric acid-based insulating material, a resin material, and a moisture absorption inhibitor containing calcium. For example, a weight ratio (Ca/P) of calcium contained in the moisture absorption inhibitor to phosphorus contained in the phosphoric acid-based insulating material is 0.10 or greater.
H01F 17/04 - Fixed inductances of the signal type with magnetic core
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
4.
DUST CORE, INDUCTOR, AND METHOD FOR MANUFACTURING DUST CORE
Provided are a dust core capable of achieving high magnetic permeability and low loss, an inductor, and a method for manufacturing the dust core. A method for manufacturing a dust core according to the present invention comprises: a step for mixing a magnetic powder and a thermosetting resin and granulating the resulting mixture; a step for compression molding the granules after granulation; and a step for heat-treating a compression molded compact. The magnetic powder contains a first amorphous powder and a second amorphous powder. The mixing ratio of the first amorphous powder and the second amorphous powder is 30:70 to 95:5 in terms of mass. The average particle diameter of the first amorphous powder is greater than the average particle diameter of the second amorphous powder. The first crystallization start temperature of the first amorphous powder is lower than the first crystallization start temperature of the second amorphous powder. Nanocrystals are precipitated from at least the first amorphous powder in the heat treatment step.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/07 - Metallic powder characterised by particles having a nanoscale microstructure
B22F 1/08 - Metallic powder characterised by particles having an amorphous microstructure
B22F 1/10 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 17/04 - Fixed inductances of the signal type with magnetic core
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 1/147 - Alloys characterised by their composition
In an antenna module, a supporting member has an outer wall and an inner wall which form an accommodation groove. A main portion of the coil is accommodated in the accommodation groove of the supporting member at least in part. End portions of the coil are connected to an FP. A lead portion of the FP is laid out to an outside of the supporting member. The supporting member has a first flange portion protruding from the outer wall in a first orientation and a second flange portion protruding from the outer wall in a second orientation. A part of the main portion of the coil is located under each of the first flange portion and the second flange portion when viewed from above. A magnetic sheet is attached to an upper part of the outer wall so that the magnetic sheet covers partly the main portion of the coil.
H01Q 7/00 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
C04B 35/495 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on vanadium, niobium, tantalum, molybdenum or tungsten oxides or solid solutions thereof with other oxides, e.g. vanadates, niobates, tantalates, molybdates or tungstates
H10N 30/20 - Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
H10N 30/50 - Piezoelectric or electrostrictive devices having a stacked or multilayer structure
H10N 30/097 - Forming inorganic materials by sintering
09 - Scientific and electric apparatus and instruments
Goods & Services
Electrical inductors; electric capacitors; electric
resistances; electric transformers; power distribution or
control machines and apparatus; transistors [electronic];
light-emitting diodes [LED]; printed circuit boards
incorporating integrated circuits; integrated circuits;
memory expansion modules; wireless transmitters; wireless
receivers; antennas; electrical transformers for
telecommunication apparatus; electric coils.
Provided is a line filter that makes it possible to suppress a risk of breakage of a core while securing high differential mode inductance. A line filter (10) according to the present disclosure comprises an annular core (1) and a first magnetic body (2). When the direction in which an axis around which the annular core (1) is centered extends is considered the axial direction, the core (1) comprises an inner peripheral surface (1a), an outer circumferential surface (1b), an axial one-end-side end surface, and an axial other-end-side end surface. The first magnetic body (2) comprises a first plate-shaped portion (2a) and a first protruding portion (2c). The first plate-shaped portion (2a) is disposed inside the core (1) so that the main surface of the first plate-shaped portion (2a) follows the axial direction. The first protruding portion (2c) protrudes outward in the radial direction of the core (1) from one axial end (2b) of the first plate-shaped portion (2a). The tip of the first protruding portion (2c) is positioned on the outer peripheral surface (1b) side of the core (1) from the inner peripheral surface (1a) of the core (1).
A soft magnetic powder has a glass transition temperature Tg, a first crystallization starting temperature Tx1 and a second crystallization starting temperature Tx2. The first crystallization starting temperature Tx1 is 400° C. to 475° C. The difference between the first crystallization starting temperature Tx1 and the glass transition temperature Tg (ΔTx=Tx1−Tg) is 50° C. or less. The difference between the second crystallization starting temperature Tx2 and the first crystallization starting temperature Tx1 (ΔT=Tx2−Tx1) is 65° C. to 135° C.
A solid electrolytic capacitor has a high withstand voltage, including: a porous anode body including a valve metal and a dielectric oxide film layer formed on a surface of the valve metal; and an electrolyte layer formed on a surface of the dielectric oxide film layer. The electrolyte layer includes a first conductive polymer layer formed by chemical polymerization and in contact with the dielectric oxide film layer, a second conductive polymer layer formed by electrolytic polymerization and formed on a side opposite to the dielectric oxide film layer with respect to the first conductive polymer layer, and a barrier layer having conductivity and formed between the first conductive polymer layer and the second conductive polymer layer.
A solid electrolytic capacitor has a high withstand voltage, including: a porous anode body including a valve metal and a dielectric oxide film layer formed on a surface of the valve metal; and an electrolyte layer formed on a surface of the dielectric oxide film layer. The electrolyte layer includes a first conductive polymer layer formed by chemical polymerization and in contact with the dielectric oxide film layer, a second conductive polymer layer formed by electrolytic polymerization and formed on a side opposite to the dielectric oxide film layer with respect to the first conductive polymer layer, and a barrier layer having conductivity and formed between the first conductive polymer layer and the second conductive polymer layer.
10 The barrier layer is configured to prevent a conductive polymer layer from being formed by electrolytic polymerization in a region closer to the anode body than the barrier layer.
A current sensor device comprises a self-oscillating circuit, a duty ratio calculation portion, a clock introducing portion, a resampling portion and a low-pass filter. The self-oscillating circuit has a magnetic core with a ring shape. A primary conductor extends through a central hole of the magnetic core. The self-oscillating circuit generates a pulse signal in response to a current flowing through the primary conductor and operates based on the pulse signal. The duty ratio calculation portion calculates a duty ratio of the pulse signal and outputs a duty ratio signal. The clock introducing portion generates a clock signal having a constant frequency. The resampling portion resamples the duty ratio signal based on the clock signal. The low-pass filter integrates the resampling signal.
Provided is a new coupling member. As a result, also provided is a new coupling method. The coupling member comprises an expanded coupling tube that is in an expanded state and that is made of a TiNi-based shape memory alloy material; and a maintaining member that is inserted into the expanded coupling tube to maintain the expanded state.
C22C 19/03 - Alloys based on nickel or cobalt based on nickel
C22F 1/10 - Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
An antenna device includes a circuit board, a coil antenna and a resonance circuit. The circuit board has a conductive portion with a flat shape. The conductive portion is formed with an opening and a slit. The slit is coupled with the opening. The coil antenna is mounted on the circuit board so that the coil antenna at least overlaps with the opening when the coil antenna is viewed along an up-down direction perpendicular to the circuit board. The coil antenna includes a coil and a magnetic core. The magnetic core partially forms a magnetic path of the coil. The magnetic core is positioned at a region excluding a specific region which is positioned just below the coil. The magnetic core at least has a center core. The center core is at least partially positioned inside the coil.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
The purpose of the present invention is to provide a noise filter capable of securing a space extending in the axial direction of a lead wire on a substrate. This noise filter (100) according to the present disclosure comprises a terminal fitting (1), a substrate (2), and a coil (31). The terminal fitting (1) is provided with: an external terminal (11) that can be electrically connected to an external device; a coil connection part (12) that is electrically connected to the coil (31) via a first lead wire (41); and a substrate connection part (13) that is electrically connected to the substrate (2). When a direction orthogonal to the axial direction of the first lead wire (41) and parallel to the substrate (2) is defined as the width direction, the coil connection part (12) extends from an end (11d) of the external terminal (11) in the axial direction of the first lead wire (41) to the coil (31) side. The substrate connection part (13) bends from an end (12d) of the coil connection part (12) in the axial direction of the first lead wire (41) toward the substrate (2) side.
A solid electrolytic capacitor capable of improving manufacturing yield is provided. A solid electrolytic capacitor according to one aspect of the present disclosure includes an anode lead-out wire and a capacitor element in which the anode lead-out wire is embedded. The cross section of at least a part of the anode lead-out wire in a direction in which the anode lead-out wire is extended has a flat shape, and a recess provided in a central part, a first linear part that is extended outward from one side of the recess, and a second linear part that is extended outward from another side of the recess are formed in at least one of an upper surface and a lower surface of the anode lead-out wire having the flat shape.
This coil component includes a coil component body and a cover. The coil component body includes a core and a coil. The upper end of the coil component body is covered by the cover. The lower end of the coil component body is mounted on the substrate when the coil component is in use. The cover has an upper side portion and a side wall portion. At least a portion of the upper side portion is made of an insulating material. When the coil component is viewed from above in the vertical direction, the upper end of the coil component body is hidden by the upper side portion and cannot be visually recognized. The upper surface and the lower surface of the upper side portion are insulated from each other. Each of the inner peripheral surface and the outer peripheral surface of the side wall portion is made of an insulating material.
A solid electrolytic capacitor can be manufactured by a manufacturing method comprising a facing step and a welding step. The solid electrolytic capacitor comprises an anode body, an anode lead and an anode lead frame. The anode lead extends forward from a front surface of the anode body in a front-rear direction. The anode lead frame has a standing portion. In the facing step, a predetermined region on a rear surface of the standing portion and a front end of the anode lead are faced to each other. In the welding step, the standing portion and the front end of the anode lead are welded to each other by radiating a laser beam toward the predetermined region of the standing portion from a radiation point which is located above the standing portion in an up-down direction perpendicular to the front-rear direction and is located rearward of the standing portion.
Provided is an antenna module 10, wherein a support member 20 includes an outer wall 24 and an inner wall 26 that constitute an accommodation groove 22. A main part 42 of a coil 40 is at least partially accommodated in the accommodation groove 22 of the support member 20. An end 44 of the coil 40 is connected to an FPC 50. A lead-out part 54 of the FPC 50 is led out to the outside of the support member 20. The support member 20 includes: a first flange 281 protruding from the outer wall 24 toward a first direction; and a second flange 283 protruding from the outer wall 24 toward a second direction. A section of the main part 42 of the coil 40 is positioned below the first flange 281 and the second flange 283 in a top view. A magnetic sheet 60 is attached to an upper part of the outer wall 24 so as to partially cover the main part 42 of the coil 40.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01F 17/04 - Fixed inductances of the signal type with magnetic core
A choke coil 10 comprises a core, a coil member 30, and a case 40. The case 40 has a housing part 46 defined by an upper surface 42 and a lateral surface 44. The coil member 30 is constituted by a lead wire and has a coil main part 32, an extension part 34, and a terminal part 36. The coil main part 32 is wound around the core. The core and the coil main part 32 are housed in the housing part 46. The extension part 34 extends from the coil main part 32 and has a cross-sectional shape substantially the same as that of the coil main part 32. The extension part 34 has at least one bent part 341 and is at least partially drawn out to the outside of the housing part 46. The terminal part 36 extends from the extension part 34 and has a thickness smaller than the size of the diameter of the extension part 34. The terminal part 36 has an L-shaped form. A boundary 35 between the terminal part 36 and the extension part 34 is located on the lateral surface 44 of the case 40.
A composition suitable for injection molding, from which a molded product excellent in magnetic properties may be obtained, and an injection molded product excellent in magnetic properties are provided. A composition includes a magnetic powder and a thermoplastic resin, at least a part of the magnetic powder having a coating layer.
H01F 1/147 - Alloys characterised by their composition
C08K 9/02 - Ingredients treated with inorganic substances
C08K 9/06 - Ingredients treated with organic substances with silicon-containing compounds
C08L 77/00 - Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chainCompositions of derivatives of such polymers
23.
RARE-EARTH COBALT PERMANENT MAGNET, METHOD FOR MANUFACTURING RARE-EARTH COBALT PERMANENT MAGNET, AND DEVICE
A rare-earth cobalt permanent magnet according to an aspect of the present disclosure consists of a sintered compact having a composition consisting of R: 24 to 27 wt % (R is a total of rare-earth elements), Fe: 23 to 27 wt %, Cu: 4.0 to 5.0 wt %, Zr: 1.5 to 2.5 wt %, Mn: 0.1 to 2.5 wt %, and a remainder consisting of Co and unavoidable impurities, in which: the rare-earth cobalt permanent magnet contains a plurality of crystal grains and grain boundary phases; an average concentration of Mn in the grain boundary phases is 0.5 to 1.5 times higher than an average concentration of Mn in the crystal grains; the crystal grains have a 2-17 phase having a Th2Zn17-type structure and a 1-5 phase having an RCo5-type structure; and an average concentration of Mn in the 1-5 phase is 0.4 to 1.5 times higher than an average concentration of Mn in the 2-17 phase.
C22C 30/00 - Alloys containing less than 50% by weight of each constituent
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
Arc welding machines; arc welding torches; parts and
accessories for arc welding machines; electric metal cutting
machines; electric welding machines for metalworking;
metalworking machines and tools; welding electrodes; welding
torches and parts thereof; pumps for cooling welding
torches; cleaners for torch nozzles and parts thereof;
cleaners for contact tips for welding torches and parts
thereof; spatter and fume elimination apparatus; cleaning
machines for welding machines; cleaning machines for welding
electrodes; welding wire feeders; robotic welding system
comprised primarily of industrial welding robots and
replacement parts therefor; industrial welding robots for
changing parts for welding machines; welding electrodes
grinding machines.
25.
MNZN-BASED FERRITE, AND METHOD FOR PRODUCING MNZN-BASED FERRITE
C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
H01F 1/36 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
26.
Solid-electrolytic capacitor and method for manufacturing solid-electrolytic capacitor
A solid-electrolytic capacitor according to an aspect of the present disclosure includes an anode member made of a valve metal, a dielectric layer formed on the anode member, and a solid electrolyte layer formed on the dielectric layer. The solid electrolyte layer includes a first electrolyte layer formed on the dielectric layer and a second electrolyte layer formed on the first electrolyte layer, in which the first electrolyte layer is an ion-conducting electrolyte layer and the second electrolyte layer is an electron-conducting electrolyte layer.
This magnetic component includes a magnetic powder, wherein the magnetic powder includes a metal portion, an oxide film, and at least one specific kind of particles. The specific particles contain Cu as a main component. The specific particles are present at the interface between the metal portion and the oxide film. The specific particles have a particle size of 3 to 70 nm.
H01F 1/33 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials mixtures of metallic and non-metallic particlesMagnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metallic particles having oxide skin
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
A manufacturing method of alloy powder includes shaping a flowing fluid made of coolant liquid into a liquid film which has a predetermined thickness between 0.1 mm and 15 mm by continuously supplying the coolant liquid from a nozzle onto an inner wall of a drum; applying a predetermined acceleration to the liquid film along a thickness direction of the liquid film, wherein the predetermined acceleration has a value between 2.0×104 G and 1.0×107 G; supplying the liquid film with molten alloy which is not divided into a size of the predetermined thickness or less; and dividing the molten alloy into the size of the predetermined thickness or less by the flowing fluid to make alloy particles, and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously in contact with the flowing fluid so as to be cooled.
B22F 9/06 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material
An alloy powder manufacturing apparatus includes a substrate, at least one nozzle, and at least one alloy supply part. The nozzle forms a liquid film having a predetermined thickness by supplying a high-speed fluid formed from a cooling liquid onto the substrate in such a manner as to apply a predetermined acceleration to the liquid film along a thickness direction. The alloy supply part supplies a molten alloy to the liquid film without dividing same into a size equal to or less than a predetermined thickness. Particles are formed by dividing the molten alloy into a size equal to or less than the predetermined thickness by means of the high-speed fluid, and the particles are cooled in a condition in which the particles are retained in the liquid film by means of the predetermined acceleration and kept in contact with the high-speed fluid.
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
30.
IRON-BASED SOFT MAGNETIC POWDER, MAGNETIC COMPONENT USING SAME AND DUST CORE
Provided is an iron-based soft magnetic powder that may be used in producing a dust core having a low iron loss. The iron-based soft magnetic powder has a crystallinity of 10% or less, volume-based median circularity (C50) of 0.85 or more, and when heated to 400° C. at a heating rate of 3° C./min and held at 400° C. for 20 min in a nitrogen atmosphere, then allowed to naturally cool to room temperature, number density of Cu clusters in the powder of 1.00×103/μm3 or more and 1.00×106/m3 or less, and average Cu concentration of the Cu clusters of 30.0 at % or more.
B22F 1/102 - Metallic powder coated with organic material
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
31.
COMPOSITE SOFT MAGNETIC POWDER, METHOD FOR PRODUCING COMPOSITE SOFT MAGNETIC POWDER, AND MAGNETIC COMPONENT
This composite soft magnetic powder has primary particles and an insulator layer. The primary particles comprise a soft magnetic metal. The insulator layer covers the surface of the primary particles. The insulator layer has an amorphous layer containing Al, P and O.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
Provided is a dust core which enables improvement of reliability of an inductor. A dust core (1) according to one embodiment of the present disclosure is obtained by binding magnetic powder (11) by means of an insulation layer (12). The insulation layer (12) contains: a phosphoric acid-based insulation material (13); a resin material (15); and a moisture absorption inhibitor (14) that contains calcium. For example, the weight ratio (Ca/P) of calcium contained in the moisture absorption inhibitor (14) to phosphorus contained in the phosphoric acid-based insulation material (13) is at least 0.10.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
33.
Pyroelectric infrared sensor and electronic device comprising pyroelectric infrared sensor
A pyroelectric infrared sensor comprises an internal board, a pyroelectric element and a capacitor element. The internal board is provided with a first electrode pad and a second electrode pad. The pyroelectric element has a composition of PbCa(MnSb)TiO and is connected to the first electrode pad. The capacitor element is connected to the second electrode pad with a high melting point solder paste which has a liquidus temperature equal to or more than 240° C.
G01J 5/34 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
This method for manufacturing a coil component comprises: a preparation step for preparing a preform that has a flat portion and comprises a prescribed material containing a magnetic powder and an uncured or semi-cured thermosetting resin; a placement step for placing inside a mold an intermediate assembly obtained by combining the preform and a coil member; an insertion step for inserting additional material that is the same material as the prescribed material into the mold such that the intermediate assembly is no longer visible; and a curing step for pressurizing the preform and the additional material while heating at a prescribed temperature at which the thermosetting resin contained in the prescribed material and the additional material melts, thereby integrating and curing the preform and the additional material.
H01F 41/04 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets for manufacturing coils
H01F 17/04 - Fixed inductances of the signal type with magnetic core
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
35.
POWDER MAGNETIC CORE, INDUCTOR, AND METHOD FOR MANUFACTURING POWDER MAGNETIC CORE
A powder magnetic core according to an aspect of the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and when a cross-sectional photograph of the powder magnetic core is taken, an area of the cross-sectional photograph having a size of 10000 μm2 is divided into unit areas, one or more of the unit areas in which the size of a cross-sectional area of a binder accounts for 50% or more of the unit area are extracted as specific unit areas, and the percentage of the number of specific unit areas with respect to the total number of unit areas is equal to or larger than 0.2% but equal to or smaller than 3.0%.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 3/08 - Cores, yokes or armatures made from powder
36.
POWDER MAGNETIC CORE, INDUCTOR, AND METHOD OF MANUFACTURING POWDER MAGNETIC CORE
A powder magnetic core capable of achieving a low loss in a high frequency range is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. A volume filling percentage of the magnetic powder included in the powder magnetic core is 85 volume % or higher, and a value obtained by dividing a BET specific surface area (m2/g) of the powder magnetic core by a specific surface area (m2/g) calculated using outer dimensions of the powder magnetic core is 5000 or less.
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 3/08 - Cores, yokes or armatures made from powder
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
37.
Electric double-layer capacitor and its manufacturing method using an aqueous electrolytic solution
A permanent magnet having excellent magnetic properties and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of R: 23 to 27 wt % (R is a sum total of rare-earth elements including at least Sm), Fe: 22 to 27 wt %, Mn: 0.3 to 2.5 wt %, Cu: 4.0 to 5.0 wt %, and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundary phases, and a concentration of Cu in at least a part of the grain boundary phases is 45 at % or higher.
H01F 1/059 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and Va elements, e.g. Sm2Fe17N2
C22C 19/07 - Alloys based on nickel or cobalt based on cobalt
C22C 1/03 - Making non-ferrous alloys by melting using master alloys
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
This composite magnetic sheet comprises a metal magnetic powder and a binder. The saturation magnetization of the composite magnetic sheet is 0.73T to1.20T inclusive. The average thickness of the metal magnetic powder is between 0.1 μm to 3.0 μm inclusive. The average aspect ratio of the metal magnetic powder is 2 to 200 inclusive.
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/102 - Metallic powder coated with organic material
C22C 33/02 - Making ferrous alloys by powder metallurgy
A dust core is manufactured by compacting magnetic particles in a metal die while heating the magnetic particles at a predetermined temperature in the metal die. At least some of the magnetic particles are coated with coating material. The metal die comprises a die, an upper punch and a lower punch. The upper punch is positioned above the lower punch in an up-down direction. The metal die is provided with a low-temperature portion and a high-temperature portion. A temperature of the low-temperature portion is less than a temperature of the high-temperature portion by 10° C. or more.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
41.
PERMANENT MAGNET AND ITS MANUFACTURING METHOD, AND DEVICE
A permanent magnet having a high coercivity, a method for manufacturing such a permanent magnet, and a device using such a permanent magnet are provided. The permanent magnet has a composition represented by a below-shown Formula (1). Formula (1): (R1-xZrx)a(T1-yMy)bBc. In Formula (1); R is at least one element selected from rare earth elements; T is at least one element selected from a group consisting of Fe, Co and Ni; M is at least one element selected from a group consisting of Al, Si, Ti, V, Cr, Mn, Cu, Hf, Nb, Mo, Ta and W; and each of a, b and c indicates atomic %, and x and y indicate ratios of Zr and M, respectively; and they are numbers that satisfy below-shown Expressions, 5≤a≤12, b=100−(a+c), 0.1≤c≤20, 0.01≤x≤0.5, and 0.01≤y≤0.5.
Alloy powder includes particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed, the divided trace being a mark at which molten alloy is divided; and the divided trace has at least a hill-like ridge aggregate structure or a combination of a crater structure and the hill-like ridge aggregate structure, the hill-like ridge aggregate structure being an aggregate of a plurality of hill-like ridges.
C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
Provided is a magnetic body and a magnetic element that can be used in a high temperature environment of 180° C. and are excellent in heat resistance. The magnetic body according to an aspect of the present invention includes an iron alloy powder having an inorganic insulating layer on the surface thereof and a resin cured product, and contains 4 to 10 parts by mass of Si in 100 parts by mass of the iron alloy powder.
B22F 1/16 - Metallic particles coated with a non-metal
B22F 1/05 - Metallic powder characterised by the size or surface area of the particles
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
B22F 1/145 - Chemical treatment, e.g. passivation or decarburisation
B22F 1/102 - Metallic powder coated with organic material
B22F 5/10 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
C04B 35/626 - Preparing or treating the powders individually or as batches
An electric current sensor includes an upper shield case, a lower shield case, a press-fit member and an inner member. The upper shield case has at least an upper surface and an upper outer peripheral portion. The upper outer peripheral portion extends downward in an up-down direction from an outer edge of the upper surface. The lower shield case has at least a lower surface and a lower outer peripheral portion. The lower outer peripheral portion extends upward in the up-down direction from an outer edge of the lower surface. The upper shield case and the lower shield case form an accommodating portion. The press-fit member has a main portion. The main portion pushes both of the upper outer peripheral portion and the lower outer peripheral portion outward in a horizontal plane perpendicular to the up-down direction to integrally fix the upper and lower shield cases to each other.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
A reactor includes a coil having a winding part, a holding member, and a magnetic core. The winding part is partially buried inside the holding member, and has an upper exposed part and a lower exposed part exposed from the holding member in the vertical direction (Z direction). The upper exposed part has an upper curved surface part. The upper curved surface part is exposed from the holding member at both sides in the horizontal direction (Y direction). The magnetic core has two outer legs. The winding part is positioned between the two outer legs in the horizontal direction. The holding member has two side walls corresponding to each of the outer legs. Each of the side walls is positioned between the corresponding outer leg and the winding part in the horizontal direction.
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 3/10 - Composite arrangements of magnetic circuits
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
C04B 35/26 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites
This antenna device comprises: a substrate; a coil antenna; and a resonance circuit. The substrate has a planar conductive part. An opening and a slit are formed in the conductive part. The slit is connected to the opening. The coil antenna is mounted on the substrate so as to at least partially overlap the opening when seen from a vertical direction orthogonal to the substrate. The coil antenna is provided with a coil and a magnetic core. The magnetic core partially forms a magnetic path of the coil. The magnetic core is positioned in a region excluding a specific region directly below the coil. The magnetic core has at least a center core. The center core is at least partially positioned on the inner side of the coil.
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H01Q 19/02 - Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic Details
To provide a dust core with good direct current superimposition characteristics and an inductor using such a dust core. A dust core according to an aspect of the present disclosure includes magnetic powder particles that are bound together through a binder layer, in which when a magnetic permeability in a state where a magnetic flux density generated by a direct current is 0 T is represented by μB=0 T and a magnetic permeability in a state where the magnetic flux density generated by a direct current is 0.5 T is represented by μB=0.5 T, a value expressed by μB=0.5 T/μB=0 T is 0.65 or higher.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
An adhesive tape has a noise reduction function. The adhesive tape comprises a main member having a front surface and a back surface, and an adhesive layer provided on the back surface of the main member. The main member comprises a magnetic sheet and a uniaxially oriented film laminated on the magnetic sheet. The magnetic sheet contains a binder and magnetic particles distributed in the binder. The magnetic sheet solely has breaking strength of 2.5 N/5 mm or more but 40 N/5 mm or less, and elongation at break of 25% or less.
In an electric current sensor device 10, a magnetic core 12 is annular and a primary conductor 50 is inserted therein. A load 143 of a drive circuit 14 is a secondary conductor 151 that is wound around the magnetic core 12. A detection resistor 16 converts a current flowing in the secondary conductor 151 into a voltage and generates, at one end thereof, a detection voltage. A drive unit 141 switches the direction of a current flowing in the secondary conductor 151 on the basis of pulse signals. A detection unit 20 detects a current which has flowed in the primary conductor 50 on the basis of the duty ratio of the pulse signals. A pulse signal generation circuit 18 monitors the detection voltage generated at one end of the detection resistor 16 and inverts on/off of the pulse signals. A clock generation unit 201 of the detection unit 20 generates clock signals at a predetermined period. A counter 211 counts the duty ratio of the pulse signals using clock signals.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
The present invention provides a magnetic body and a magnetic element having excellent long-term heat resistance in a 180°C high-temperature environment. A magnetic body according to one aspect of the present invention contains soft magnetic powder (1) and a resin cured product (2) and has excellent long-term heat resistance in a 180°C high-temperature environment.
H01F 17/04 - Fixed inductances of the signal type with magnetic core
C08K 9/02 - Ingredients treated with inorganic substances
C08L 101/00 - Compositions of unspecified macromolecular compounds
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
C08K 3/11 - Compounds containing metals of Groups 4 to 10 or of Groups 14 to 16 of the Periodic Table
53.
Solid electrolytic capacitor and method for manufacturing solid electrolytic capacitor with improved anode lead-out wire
A solid electrolytic capacitor capable of improving manufacturing yield is provided. A solid electrolytic capacitor according to one aspect of the present disclosure includes an anode lead-out wire and a capacitor element in which the anode lead-out wire is embedded. The cross section of at least a part of the anode lead-out wire in a direction in which the anode lead-out wire is extended has a flat shape, and a recess provided in a central part, a first linear part that is extended outward from one side of the recess, and a second linear part that is extended outward from another side of the recess are formed in at least one of an upper surface and a lower surface of the anode lead-out wire having the flat shape.
A soft magnetic powder according to the present invention has a glass transition temperature Tg, a first crystallization starting temperature Tx1 and a second crystallization starting temperature Tx2. The first crystallization starting temperature Tx1 is 400°C to 475°C. The difference between the first crystallization starting temperature Tx1 and the glass transition temperature Tg (∆Tx = Tx1 - Tg) is 50°C or less. The difference between the second crystallization starting temperature Tx2 and the first crystallization starting temperature Tx1 (∆T = Tx2 - Tx1) is 65°C to 135°C.
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/20 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder
Provided are: a composition with which a molded article that is suitable for injection molding and has satisfactory magnetic properties can be achieved; and an injection-molded article having satisfactory magnetic properties. This composition contains magnetic powder (10) and a thermoplastic resin (30), and a cover layer (20) is provided for at least a portion of the magnetic powder.
H01F 1/147 - Alloys characterised by their composition
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
A noise filter that can be miniaturized is provided. A noise filter includes a terminal fitting, a board, a coil mounted on the board, and an electronic component mounted on the board. The terminal fitting includes a terminal body electrically connected to an external device, a coil connection part electrically connected to the coil through a lead wire, and a board connection part electrically connected to the board. The coil connection part caulks the lead wire.
H03H 7/06 - Frequency selective two-port networks including resistors
H03H 1/00 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
57.
Compressed powder body comprising soft magnetic alloy
A compressed powder body comprises metal particles and an interposed substance which is interposed between the metal particles. Each of the metal particles is made of FeSiAl-based soft magnetic alloy and has a flat shape when seen along a predetermined direction. The metal particles include one or more of the metal particles each of which is formed with one or more predetermined holes. Each of the predetermined holes passes through the metal particle in the predetermined direction. Each of the predetermined holes has a maximum width in a predetermined plane perpendicular to the predetermined direction the maximum width being equal to or larger than a thickness of the metal particle with the predetermined hole in the predetermined direction.
B22F 1/105 - Metallic powder containing lubricating or binding agentsMetallic powder containing organic material containing inorganic lubricating or binding agents, e.g. metal salts
A permanent magnet having excellent magnetic properties, and a device including such a permanent magnet are provided. A permanent magnet consists of a sintered compact having a composition consisting of, in a mass percentage composition, R: 23 to 27% (R is a rare-earth element including at least Sm); Fe: 22 to 27%; Mn: 0.01 to 2.5%; and a remainder consisting of Co and unavoidable impurities, in which the sintered compact contains a plurality of crystal grains and grain boundaries, an average crystal grain size (A. G.) of the crystal grains is equal to or larger than 100 μm, and a coefficient of variation (C. V.) of crystal grain sizes is equal to or smaller than 0.60.
Alloy powder comprises particles. The particles include specific particles. Each of the specific particles has a surface layer on which a divided trace is formed.
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
H01F 1/147 - Alloys characterised by their composition
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
60.
FE-BASED AMORPHOUS ALLOY POWDER, MAGNETIC COMPONENT, AND MAGNETIC POWDER CORE
5050) of circularity is 0.85 or more; the number density of Cu clusters in the powder is from 1.00 × 103/µm3to 1.00 × 106/µm3 if the iron-based soft magnetic powder is heated to 400°C at a heating rate of 3°C/minute, kept at the temperature for 20 minutes, and subsequently allowed to naturally cool to room temperature in a nitrogen atmosphere; and the average Cu concentration of the Cu clusters is 30.0 at% or more.
Solid electrolytic capacitor and method for manufacturing solid electrolytic capacitor comprising a block layer formed using a conductive polymer heterogeneously doped with a polymer dopant
A solid electrolytic capacitor according to one aspect of the present disclosure includes: an anode body made of a valve metal; a dielectric layer formed on the anode body; and a solid electrolyte layer formed on the dielectric layer. The solid electrolyte layer includes: a first conductive polymer layer formed on the dielectric layer and heterogeneously doped with a monomolecular dopant; a block layer formed on the first conductive polymer layer; and a second conductive polymer layer formed on the block layer and composed of a self-doped-type conductive polymer containing a plurality of side chains containing a functional group that can be doped. The block layer blocks a migration of the self-doped-type conductive polymer from the second conductive polymer layer into the first conductive polymer layer and/or a migration of the self-doped-type conductive polymer from the second conductive polymer layer into pores of the porous anode body.
A magnetic core housing capable of applying a sufficient force to a magnetic core is provided. A magnetic core housing according to an aspect of the disclosure includes first and second housings each capable of housing a core, a hinge configured to connect the first and second housings with each other so that they can be opened and closed with respect to each other, and a metal spring disposed in the first housing. The metal spring includes a planar part and a pair of spring parts, and also includes reinforcing means for preventing the planar part from being bent due to a force transmitted from the pair of spring parts when the core is housed in the first housing.
4G or more along a thickness direction. In the supplying step, molten alloy which is not divided into a size of the predetermined thickness or less is supplied to the liquid film. In the dividing step, the molten alloy is divided into the size of the predetermined thickness or less by the high speed fluid to make alloy particles and keeping the alloy particles in the liquid film by the predetermined acceleration so that the alloy particles are continuously cooled in the high speed fluid.
B22F 9/06 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material
66.
PERMANENT MAGNET AND METHOD FOR MANUFACTURING THE SAME
A permanent magnet in which demagnetization adjustment can be easily performed and a method for manufacturing the same are provided. The permanent magnet contains 22 to 28 mass % of a rare-earth element R, 12 to 23 mass % of Fe, 3 to 9 mass % of Cu, 1 to 4 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which, in a demagnetization curve in which the horizontal axis indicates a demagnetization field (kOe) and the vertical axis indicates the total amount of magnetic flux (×10−5 WbT) in the permanent magnet, the slope of an approximate straight line in demagnetization field ranges from 0 to −11 kOe is 1.2 or smaller.
H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
B22F 3/16 - Both compacting and sintering in successive or repeated steps
B22F 3/24 - After-treatment of workpieces or articles
B22F 9/04 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from solid material, e.g. by crushing, grinding or milling
This alloy powder production device comprises a substrate, at least one nozzle, and at least one alloy supply part. The nozzle forms a liquid film having a predetermined thickness by supplying a high-speed fluid formed from a cooling liquid onto the substrate in such a manner as to apply a predetermined acceleration to the liquid film along a thickness direction. The alloy supply part supplies a molten alloy to the liquid film without dividing same into a size equal to or less than a predetermined thickness. Particles are formed by dividing the molten alloy into a size equal to or less than the predetermined thickness by means of the high-speed fluid, and the particles are cooled in a condition in which the particles are retained in the liquid film by means of the predetermined acceleration and kept in contact with the high-speed fluid. (FIG. 1)
B22F 9/08 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying
B22F 9/10 - Making metallic powder or suspensions thereofApparatus or devices specially adapted therefor using physical processes starting from liquid material by casting, e.g. through sieves or in water, by atomising or spraying using centrifugal force
68.
Solid electrolytic capacitor and method of manufacturing the same
A solid electrolytic capacitor includes a capacitor element, an anode terminal and a cathode terminal. The capacitor element includes an anode body, a dielectric layer, a solid electrolytic layer, a conductive layer and an anode lead wire. The anode lead wire is partially embedded in the anode body and extends in a horizontal direction from the anode body. The anode lead wire has a thicker portion and a thinner portion. The thinner portion is positioned closer to the anode body than the thicker portion is in the horizontal direction. The anode terminal at least has a first end, a second end and an overlapping portion. The anode terminal is connected to the anode lead wire under a state where the first end of the anode terminal is positioned on the thinner portion while the overlapping portion of the anode terminal overlaps with the thicker portion.
A forming method of a composite magnetic sheet. The forming method comprises a preparing step, a forming step and a heat-treating step. In the preparing step, magnetic slurry is prepared by mixing at least a soft magnetic powder having a flat shape, a first resin having a solid component and a second resin having a solid component, weight loss of the solid component of the first resin being 4.0% or less at 220° C., weight loss of the solid component of the second resin being 5.0% or more at 220° C. In the forming step, the magnetic slurry is formed into an intermediate body having a sheet-like shape. In the heat-treating step, the intermediate body is heat-treated at a heat-treatment temperature between 220° C. and 400° C. (both inclusive).
H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/02 - Combined thermoforming and manufacture of the preform
A solid electrolytic capacitor according to an aspect includes an anode body made of a valve metal, a dielectric layer formed on the anode body, a solid electrolyte layer formed on the dielectric layer, and a cathode body layer formed on the solid electrolyte layer. The solid electrolyte layer includes a first layer containing a first conductive polymer doped with a monomolecular dopant, and a second conductive polymer composed of a self-doped-type conductive polymer containing a plurality of side chains containing a functional group, the functional group being able to be doped, and a second layer formed on the first layer and containing a third conductive polymer doped with a polymer dopant; and the first conductive polymer is in contact with the third conductive polymer (the second layer).
A solid electrolytic capacitor includes a capacitor element, an outer anode terminal, an outer cathode terminal and an outer mold. The capacitor element has an anode lead wire, an anode body and a cathode layer. The capacitor element has an upper surface and a lower surface in an up-down direction. The outer cathode terminal and the outer anode terminal are positioned away from each other in a predetermined direction perpendicular to the up-down direction. The outer cathode terminal has an upper portion, a lower portion and a connecting portion. One of the upper portion and the lower portion is longer than a remaining one of the upper portion and the lower portion in the predetermined direction. The outer mold covers the capacitor element so that each of the outer anode terminal and the outer cathode terminal is partially exposed to an outside of the solid electrolytic capacitor.
A powder magnetic core capable of achieving a low loss in a high frequency range while reducing the size thereof is provided. A powder magnetic core according to the present disclosure is a powder magnetic core in which a magnetic powder is bonded via a binder layer. The powder magnetic core contains 88 volume % or more of magnetic powder, and the percentage of parts of the binder layer having thicknesses of 20 nm or smaller in the binder layer that is present between particles of the magnetic powder is equal to or smaller than 6% (not including 0%).
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
H01F 3/08 - Cores, yokes or armatures made from powder
A magnetic sheet is used as a noise reduction member for a cable. The magnetic sheet has a width of 5 mm to 15 mm. The magnetic sheet has a magnetic layer and a protective layer. The magnetic layer comprises soft-magnetic particles and a binder. Each of the soft-magnetic particles has a flat shape. A content of the soft-magnetic particles in the magnetic layer is from 35 vol % to 40 vol % with respect to the overall volume of the magnetic layer. The binder is made of polyacrylic rubber or of mixture of polyacrylic rubber and nitrile rubber. The binder binds the soft-magnetic particles to each other. A content of the binder in the magnetic layer is from 35 vol % to 65 vol % with respect to the overall volume of the magnetic layer. The protective layer reinforces the magnetic layer.
H01F 27/36 - Electric or magnetic shields or screens
H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
H01F 1/28 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder dispersed or suspended in a bonding agent
This coil component 10 comprises a coil 200, a first core 32 having a first magnetic permeability, and a second core 34 which has a second magnetic permeability that is lower than the first magnetic permeability. The first core 32 is a pressed powder core. The first core 32 and the second core 34 form a magnetic path in which a magnetic flux circulates. In a plane including the magnetic path, the coil 200 forms two or more winding windows. In the same plane, the first core 32 is in contact with the entirety of one side that extends in a second direction of each of the winding windows, and protrudes from both ends of the one side in at least one of the winding windows. In the same plane, the second core 34 is in contact with three sides other than the one side of each of the winding windows. The surface resistance between two points, which are spaced apart by 20 mm in the first core, is 5 Ω or greater after a high-temperature storage test is performed. The driving frequency of the coil component 10 is 20 kHz or higher.
1-xxa1-yybcc. Wherein, in formula (1), R represents at least one selected from rare earth elements, T represents at least one selected from the group consisting of Fe, Co, and Ni, M represents at least one selected from the group consisting of Al, Si, Ti, V, Cr, Mn, Cu, Hf, Nb, Mo, Ta, and W, and a, b, and c represent atomic percentages and x and y represent respective proportions of Zr and M, and are numbers that respectively satisfy formulae: 5≤a≤12, b=100-(a+c), 0.1≤c≤20, 0.01≤x≤0.5, and 0.01≤y≤0.5.
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/053 - Alloys characterised by their composition containing rare earth metals
77.
Method of manufacturing magnetic member and the magnetic member
A method of manufacturing a magnetic member comprises preparing a base member, which have a front surface and a back surface, and wherein an anchor coat layer is formed on the front surface, and forming a composite magnetic layer on the anchor coat layer.
H01F 41/32 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
The present invention provides a magnetic body and a magnetic element having excellent heat resistance for use in a 180˚ C high-temperature environment. A magnetic body according to an embodiment of the present invention comprises iron alloy powder having an inorganic insulating layer on the surface and a cured resin material, and contains 4 to 10 mass parts of Si in 100 mass parts of the iron alloy powder.
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
H01F 1/147 - Alloys characterised by their composition
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
This electric current sensor is provided with an upper shield case, a lower shield case, a press fitting member, and an inner member. The upper shield case has, at least, an upper surface, and an upper outer peripheral portion. The upper outer peripheral portion extends downward, in the vertical direction, from the outer edge of the upper surface. The lower shield case has, at least, a lower surface, and a lower outer peripheral portion. The lower outer peripheral portion extends upward, in the vertical direction, from the outer edge of the lower surface. The upper shield case and the lower shield case constitute an accommodating portion. The press fitting member has a main portion. The main portion presses both the upper outer peripheral portion and the lower outer peripheral portion outward in a horizontal plane orthogonal to the vertical direction, thereby integrally fixing the upper shield case and the lower shield case together.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
23232322 and CaO are contained as auxiliary components in amounts of 0.9 to 2.0% by mass, 0.005 to 0.06% by mass and 0.01 to 0.06% by mass, respectively, per 100 mass% of the main components.
C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
This reactor 10 comprises a coil 20 having a winding part 22, a holding member 40, and a magnetic core 60. The winding part 22 is partially buried inside the holding member 40, and has an upper exposed part 32 and a lower exposed part exposed from the holding member 40 in the vertical direction (Z direction). The upper exposed part 32 has an upper curved surface part 324. The upper curved surface part 324 is exposed from the holding member 40 at both sides in the horizontal direction (Y direction). The magnetic core 60 has two outer legs 66. The winding part 22 is positioned between the two outer legs 66 in the horizontal direction. The holding member 40 has two side walls 44 corresponding to each of the outer legs 66. Each of the side walls 44 is positioned between the corresponding outer leg 66 and the winding part 22 in the horizontal direction.
H01F 37/00 - Fixed inductances not covered by group
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/26 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated by macromolecular organic substances
82.
MnZn-BASED FERRITE AND METHOD OF MANUFACTURING SAME
C04B 35/38 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on ferrites with manganese oxide as the principal oxide with zinc oxide
H01F 1/34 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
83.
POWDER MAGNETIC CORE PRODUCTION METHOD AND POWDER MAGNETIC CORE
This powder magnetic core is produced by applying pressure to magnetic powder in a mold while heating same at a prescribed temperature. The magnetic powder has at least a portion thereof covered with a covering agent. The mold comprises a die, an upper punch, and a lower punch. The upper punch is positioned vertically above the lower punch. The mold is provided with a low-temperature section and a high-temperature section. The temperature in the low-temperature section is lower by at least 10°C than that in the high-temperature section.
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
B30B 11/02 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses using a ram exerting pressure on the material in a moulding space
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
B22F 3/14 - Both compacting and sintering simultaneously
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
84.
Method of manufacturing circuit board and circuit board
A method includes preparing a first substrate member in which a cavity is formed. Moreover, the method includes preparing a magnetic member having a plurality of magnetic pieces. The magnetic member is placed in the cavity, and the second substrate member is placed on the first substrate member to close the cavity. The cavity is defined at least in part by a pair of wall surfaces facing each other in a lateral direction and opens upward in an up-down direction perpendicular to the lateral direction. The magnetic pieces are coupled with each other by positioning members so as to be arranged at regular intervals in a predetermined direction. The placing of the magnetic member in the cavity is carried out so that the predetermined direction coincides with the lateral direction or a front-rear direction perpendicular to both of the lateral direction and the up-down direction.
A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device including such a rare-earth cobalt permanent magnet are provided. A rare-earth cobalt permanent magnet consisting of 23 to 27 mass % of a rare-earth element R including Sm, 4.0 to 5.0 mass % of Cu, 22 to 27 mass % of Fe, 1.7 to 2.5 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a size of a cell structure constituting the crystal grain is 100 to 600 nm.
H01F 1/057 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
A rare-earth cobalt permanent magnet having excellent magnetic characteristics, a method for manufacturing such a rare-earth cobalt permanent magnet, and a device are provided. A rare-earth cobalt permanent magnet consists of, when a rear-earth element including at least Sm is represented by R, 23 to 27 mass % of R, 1.0 to 5.0 mass % of Cu, 18 to 25 mass % of Fe, 1.5 to 3.0 mass % of Zr, and a remainder consisting of Co and unavoidable impurities, in which the rare-earth cobalt permanent magnet includes a plurality of crystal grains and grain boundary parts, and a concentration of Cu is at least two times a concentration of Zr in the grain boundary parts.
A noise filter includes a metallic bottom plate, a case main body integrally formed with a terminal strip and attached to the bottom plate, and a capacitor including a terminal configured to be connected in the terminal strip. The noise filter further includes a capacitor housing part formed inside the terminal strip in the case main body, the capacitor housing part being configured to house the capacitor, and an inductor disposed on a top surface side of the case main body, the inductor comprising a terminal configured to be connected in the terminal strip. The capacitor housing part houses the capacitor, in a state where the capacitor is inclined with respect to the bottom plate, so that a lead part of the terminal of the capacitor is positioned on an upper end side of the capacitor in an inclination direction.
H03H 1/00 - Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
B22F 3/14 - Both compacting and sintering simultaneously
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 1/02 - Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition comprising coating of the powder
B22F 1/08 - Metallic powder characterised by particles having an amorphous microstructure
B22F 1/102 - Metallic powder coated with organic material
B22F 1/16 - Metallic particles coated with a non-metal
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
C22C 38/02 - Ferrous alloys, e.g. steel alloys containing silicon
C22C 38/16 - Ferrous alloys, e.g. steel alloys containing copper
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 3/08 - Cores, yokes or armatures made from powder
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
An inductor comprises a core and a coil. The coil has a first terminal, a second terminal, a first portion, a second portion, a third portion, a first coupling portion, a second coupling portion, a first extending portion and a second extending portion. Each of the first portion and the second portion is positioned apart from a first edge of the core. Each of the first portion and the second portion is parallel to the first edge. Each of the first portion and the second portion is positioned apart from the third portion in a first horizontal direction. The third portion is positioned apart from a second edge of the core. The third portion is parallel to the second edge. The first extending portion couples the first portion and the third portion with each other. The second extending portion couples the second portion and the third portion with each other.
A composite magnetic material comprises spherical soft magnetic metal powder incorporated in the composite magnetic material in a dispersed manner, a flame retardant incorporated in the composite magnetic material in a dispersed manner; and a binder configured to bind the soft magnetic metal powder and the flame retardant. The composite magnetic material is formed and processed into a sheet shape. The composite magnetic material has a volume occupancy of the soft magnetic metal powder of 45 vol % or more and 68 vol % or less.
B22F 1/102 - Metallic powder coated with organic material
B22F 5/00 - Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
H01F 1/16 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of sheets
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
92.
Rare-earth cobalt permanent magnet, method of manufacturing the same, and device
5 structure enclosing the cell phase, and the concentration of the rare-earth element R in the cell wall is higher than the concentration of the rare-earth element R in the cell phase by no less than 25 atomic %.
H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
B22F 3/24 - After-treatment of workpieces or articles
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
A rare-earth cobalt permanent magnet with good magnetic properties is provided. A rare-earth cobalt permanent magnet contains 23 to 27 mass % R, 3.5 to 5.0 mass % Cu, 18 to 25 mass % Fe, 1.5 to 3.0 mass % Zr in mass and a remainder Co with inevitable impurities, where an element R is a rare earth element at least containing Sm. The rare-earth cobalt permanent magnet has a metal structure including a plurality of crystal grains and a continuously extending grain boundary. A content of Cu in the grain boundary is higher than a content of Cu in the crystal grains, and a content of Zr in the grain boundary is higher than a content of Zr in the crystal grains.
H01F 1/055 - Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
C22C 30/02 - Alloys containing less than 50% by weight of each constituent containing copper
B22F 3/24 - After-treatment of workpieces or articles
H01F 41/02 - Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformersApparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils or magnets
H02K 1/02 - Details of the magnetic circuit characterised by the magnetic material
94.
Method for manufacturing a powder core, the powder core and an inductor
This method for manufacturing a powder core is provided with: a step for heat-treating amorphous soft magnetic alloy powder to obtain nanocrystal powder; a step for obtaining granulated powder from nanocrystal powder, malleable powder, and a binder; a step for pressure-molding the granulated powder to obtain a green compact; a step for curing the binder by heat-treating the green compact at a temperature which is equal to or higher than the curing initiation temperature of the binder and lower than the crystallization initiation temperature of the amorphous soft magnetic alloy powder.
B22F 3/24 - After-treatment of workpieces or articles
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/24 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together the particles being insulated
95.
Magnetic core, inductor and module including inductor
A module includes a circuit board and an inductor. The circuit board has a facing surface and a rear surface which are located at opposite sides to each other in an up-down direction. The inductor has a magnetic core and a coil. The magnetic core is made of a soft magnetic metal material. The magnetic core has a facing surface and a radiating surface which are located at opposite sides to each other in the up-down direction. The facing surface of the magnetic core is arranged to face the facing surface of the circuit board in the up-down direction. The radiating surface of the magnetic core is arranged to be radiatable heat outward. The coil has a coil portion and a connection end. The coil portion winds, at least in part, the magnetic core. The connection end is connected to the facing surface of the circuit board.
A vehicular glass module (1) that includes vehicular window glass (2) on which a conductive pattern (4) is formed and an on-glass connector (3) that is attached to the vehicular window glass (2). The on-glass connector (3) has a hollow part (11) and a circuit board (6) that is arranged inside the hollow part (11). The hollow part (11) communicates with the outside of a case (5) via a through hole (15) that is provided in a partition wall (14) that defines a portion of the hollow part (11). The through hole (15) is positioned below the circuit board (6). Water that condenses inside the hollow part (11) is discharged to the outside via the through hole (15).
H01R 13/52 - Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
H01Q 1/22 - SupportsMounting means by structural association with other equipment or articles
H01Q 1/32 - Adaptation for use in or on road or rail vehicles
abcdeff excluding unavoidable impurities, wherein, in the compositional formula, M represents at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, Mn, C, Al, S, O and N, the requirements represented by the formulae: 79 at% ≦ a ≦ 84.5 at%, 0 at% ≦ b < 6 at%, 0 at% < c ≦ 10 at%, 4 at% < d ≦ 11 at%, 0.2 at% ≦ e ≦ 0.53 at%, 0 at% ≦ f ≦ 4 at%, and a + b + c + d + e + f = 100 at% are satisfied, the particle diameters are 1 mm or smaller, and the median of the degrees of circularity of particles constituting the soft magnetic powder is 0.4 to 1.0 inclusive.
B22F 1/00 - Metallic powderTreatment of metallic powder, e.g. to facilitate working or to improve properties
B22F 3/00 - Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sinteringApparatus specially adapted therefor
C22C 33/02 - Making ferrous alloys by powder metallurgy
C22C 45/02 - Amorphous alloys with iron as the major constituent
H01F 1/153 - Amorphous metallic alloys, e.g. glassy metals
H01F 1/22 - Magnets or magnetic bodies characterised by the magnetic materials thereforSelection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys in the form of particles, e.g. powder pressed, sintered, or bound together
A solid electrolytic capacitor according to the present disclosure includes an anode body made of a porous valve metal, a dielectric layer formed on a surface of the anode body, and a solid electrolyte layer formed on the dielectric layer. A carboxylic acid ester is filled in at least part of cavities inside the solid electrolyte layer. By the solid electrolytic capacitor according to the present disclosure, it is possible to provide a solid electrolytic capacitor capable of suppressing an increase in ESR and an increase in leakage current.
An electrolytic capacitor according to an aspect of the present disclosure includes a valve metal, a dielectric oxide film layer formed on a surface of the valve metal, a surface treatment agent layer formed on the dielectric oxide film layer, and an electrolyte layer formed on the surface treatment agent layer. The electrolyte layer includes a conductive polymer layer and an ionic liquid. For example, the conductive polymer layer is formed so that the conductive polymer layer is in contact with the surface treatment agent layer, and at least some of voids present in an interface between the conductive polymer layer and the surface treatment agent layer are filled with the ionic liquid.
