An electrolytic capacitor has a capacitor element having an anode foil having a dielectric layer formed thereon, a cathode foil and a separator placed between the anode foil and the cathode foil and an electrolytic solution impregnated in the capacitor element. The anode foil or the cathode foil is obtained by forming a sintered material of a composition containing a metal powder in a foil form (is composed of a foil-form sintered material) or forming a sintered material film composed of the sintered material on a surface of a base material, and the viscosity μ [cP] of the electrolytic solution at 25 [° C.] is 400 [cP] or less.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
The present invention provides: an electrolytic capacitor which is capable of easily discharging gas in the capacitor through a sealing body and is capable of preventing liquid leakage of an electrolyte solution; and a method for manufacturing an electrolytic capacitor. An electrolytic capacitor (01) according to the present invention is provided with: a capacitor element (02) that is impregnated with an electrolyte solution (06); a bottomed outer case (07) that houses the capacitor element (02); and a sealing body (10) that seals an opening (07a) of the outer case (07). The sealing body (10) is formed as a multilayer body in which an elastic layer (20) and a reinforcing layer (21) are stacked, wherein the elastic layer (20) faces the outside of the electrolytic capacitor (01) and forms an outside surface (10a) of the sealing body (10), the reinforcing layer (21) faces the inside of the electrolytic capacitor (01) and forms an inside surface (10b) of the sealing body (10), and the reinforcing layer (21) is provided with one or a plurality of through holes (24) that penetrate through the reinforcing layer (21) in the stacking direction of the sealing body (10).
H01G 9/10 - Scellement, p. ex. de fils de traversée
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
The purpose of the present invention is to provide a capacitor manufacturing method which includes impregnating a capacitor element with a conductive polymer-containing liquid in a plurality of stages, the method achieving a sufficient characteristic improvement effect in each impregnation stage. The present invention relates to a method for manufacturing an electrolytic capacitor comprising: an anode foil with an oxide film formed on a surface thereof; a cathode foil; and a solid electrolyte portion in a gap between the anode foil and the cathode foil, the solid electrolyte portion containing a conductive polymer. The method comprises (i) providing a capacitor element having an anode foil with an oxide film formed on a surface thereof, and a cathode foil; (ii) impregnating the capacitor element with a first conductive polymer-containing liquid containing 15 mass% or less of an organic solvent having a boiling point or a decomposition temperature of 150°C or higher, and drying the capacitor element to form a solid electrolyte portion precursor in a gap between the anode foil and the cathode foil; and (iii) impregnating the capacitor element, having the solid electrolyte portion precursor formed therein, with a second conductive polymer-containing liquid containing 20 mass% or more of an organic solvent having a boiling point or a decomposition temperature of 150°C or more, and drying the capacitor element to form a solid electrolyte portion in the gap between the anode foil and the cathode foil.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
The present invention addresses the problem of providing: an electrolytic capacitor that is capable of suppressing leakage current in an aqueous electrolyte containing a comparatively large amount of a phosphoric acid ion source, and that is capable of having an extended life; and a production method for the same. Provided as a solution is an electrolytic capacitor (1) comprising: a capacitor element (2) that has a positive electrode foil (8) on which a dielectric layer is formed, a negative electrode foil (9), and a separator (10) which is provided between the positive electrode foil (8) and the negative electrode foil (9); and an electrolyte (3) that is impregnated in the capacitor element (2), wherein the electrolyte (3) contains a water-containing solvent, a phosphoric acid ion source, and a phosphonic-acid-based chelating agent (excluding ethylenediamine tetra(methylene phosphonic acid) (EDTMP), ethylenediamine tetrakis(methylene phosphonic acid) (EDTPO), ethylenediamine-N,N'-bis(methylene phosphonic acid), and substances having chemical structures identical to these), and the water content in the electrolyte (3) is not less than 40 mass%.
H01G 9/035 - Électrolytes liquides, p. ex. matériaux d'imprégnation
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
The purpose of the present invention is to provide a thin-film polymer multilayer capacitor having improved uniformity in the polymer structure of a resin thin-film layer. The present invention relates to a thin-film polymer multilayer capacitor having a laminate structure in which a resin thin-film layer and an internal electrode metal layer are alternately laminated. The resin thin-film layer has a polymer structure obtained by polymerizing two or more types of monomers. The difference Ta−Tb in evaporation temperature between the monomer having the highest evaporation temperature Ta and the monomer having the lowest evaporation temperature Tb is 20°C or less with respect to monomers that form at least 5 mol% of constituent units in the polymer structure among the two or more types of monomers.
H01G 13/00 - Appareils spécialement adaptés à la fabrication de condensateursProcédés spécialement adaptés à la fabrication de condensateurs non prévus dans les groupes
6.
Thin film polymer laminated capacitor and manufacturing method therefor
1 of the first monomer. (b) By using the following manufacturing method (1), when a first polymer member formed by using only the first monomer as the monomer and a second polymer member formed by using only the second monomer as the monomer are manufactured, and the water absorption rate of each of the polymer members is measured after being left still at 40° C. for 40 hours at 95%-relative humidity, the water absorption rate of the second polymer member is lower than the water absorption rate of the first polymer member. Here, the manufacturing method (1) comprises; providing the first monomer or the second monomer as a test monomer, obtaining a mixture by mixing a photoinitiator at a proportion of 0.2±0.01 mol with respect to 100 mol of the test monomer, pouring the mixture in a round plate; and creating a disc shaped polymer member having a dimension of diameter 30 mm×depth 1 mm by irradiating, with UV, the mixture poured in the round plate in a nitrogen atmosphere at 120 W and from a distance of 250 mm until progress of polymerization stops.
C09D 4/00 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable
C09D 133/14 - Homopolymères ou copolymères d'esters d'esters contenant des atomes d'halogène, d'azote, de soufre ou d'oxygène en plus de l'oxygène du radical carboxyle
C09D 135/02 - Homopolymères ou copolymères d'esters
Provided is a capacitor that does not readily experience trouble at a sealing part, even when used in high-temperature environments. This capacitor 1 is formed by sealing an opening 11a in a case body 11 that accommodates a capacitor element 12 with an elastic sealing body 13 and is characterized in that the elastic sealing body 13 comprises a hydrogenated acrylonitrile butadiene rubber that has an acrylonitrile content of no more than 50% and has a glass transition temperature of no more than 0°C.
There is provided a capacitor (1) including a main body (10), in which a plurality of dielectric layers (13) and a plurality of electrode layers (11) are alternatively laminated, and an external electrode (20) that is connected to at least part of the main body. Before forming an external electrode by metal spraying (metallikon) on the main body, at least part of a connection surface (30) where the metal spraying is performed is scanned with a laser beam (51) so that scanning marks (55) composed of concave-convex structures (35) are formed by the laser beam on at least part of the connection surface.
The purpose of the present disclosure is to provide a thin film polymer multilayer capacitor which has relatively reduced water absorption properties and good electrical characteristics, and in which an increase in tanδ at high temperatures is suppressed. The present disclosure relates to a thin film polymer multilayer capacitor that has a structure in which resin thin film layers and internal electrode metal layers are alternately stacked. In this capacitor, the resin thin film layers each have a polymer structure that is obtained by polymerizing a first monomer that is a monofunctional monomer, a second monomer that is a bifunctional monomer, and a third monomer that is a trifunctional or higher polyfunctional monomer.
A capacitor (1) includes a main body (10) in which a dielectric layer (13) and an electrode layer (11) are laminated, and an external electrode (20) connected to at least a part of the main body. The electrode layer (11) includes a heavy edge portion (16) with a connecting part (18), which connects to the external electrode and is thicker than an internal electrode part (15). The capacitor (1) further includes an edge support layer (12) that is made of metal and is laminated on the heavy edge portion (16).
There is provided a method of manufacturing a capacitor (1), the capacitor (1) including a main body (10) in which dielectric layers (13) and electrode layers (11) are alternatively laminated, with at least part of the main body connected to external electrodes (20). The method of manufacturing includes a step (89) of forming an electrode layer on a dielectric layer. The forming of the electrode layer includes: a step (83) of forming a first metal layer including a connecting part, which is connected to the external electrode, and an internal electrode part; and a step (85) of forming a second metal layer on the connecting part. In addition, the method includes a step (82) of patterning to form the first pattern and a step (84) of patterning to form the second pattern using a second material that evaporates when the second metal layer is formed.
H01G 4/18 - Diélectriques organiques en matériau synthétique, p. ex. en dérivés de la cellulose
H01G 13/00 - Appareils spécialement adaptés à la fabrication de condensateursProcédés spécialement adaptés à la fabrication de condensateurs non prévus dans les groupes
A capacitor (1) includes a main body (10) in which dielectric layers (13) and electrode layers (11) are laminated, and an external electrode (20) connected to at least a part of the main body by metallikon. Each dielectric layer has a thickness Dt at a connection boundary (18) where the main body is connected to the external electrode, each electrode layer has a thickness Et at the connection boundary, and a ratio between the thickness Dt and the thickness Et is at least a first value DEmin. The first value DEmin may satisfy the following conditions with respect to a minimum set value Dt1 of the thickness Dt
where a and b are coefficients.
The present invention addresses a problem of providing an electrolytic capacitor with which an etching treatment of an electrode material is not required and with which it is possible to achieve higher capacitance than conventional electrolytic capacitors using electrode foils having surface areas increased only by etching. This electrolytic capacitor, as a solution, includes a capacitor element having an anode foil, a cathode foil, and separators interposed between the anode foil and the cathode foil; and an electrolytic solution impregnated in the capacitor element, wherein the anode foil or the cathode foil has a sintered material formed with sintered particles of power of at least one kind of aluminum and an aluminum alloy.
The purpose of the present disclosure is to provide: an electrolytic capacitor which comprises a conductive polymer compound and a liquid substance phase, and which exhibits excellent liquid resistivity and excellent heat resistance; and a method for producing this electrolytic capacitor. An electrolytic capacitor according to the present invention is provided with an anode foil, on the surface of which an oxide coating film is formed, and a cathode foil; this electrolytic capacitor has, between the anode foil and the cathode foil, a solid electrolyte phase that contains a conductive polymer compound and a liquid substance phase that contains a liquid substance; the liquid substance phase additionally contains an acid component and a base component; the acid dissociation constant (pKa) of a conjugate acid in the base component is 10.0 or less; the amounts of the base component and the acid component in the liquid substance phase satisfy the relational expression (number of moles of base component) > (number of moles of acid component); and the acid component accounts for 2.6% by mass to 20% by mass in the liquid substance phase.
LG MAGNA E-POWERTRAIN CO., LTD. (République de Corée)
RUBYCON CORPORATION (Japon)
Inventeur(s)
Choi, Sungtae
Makino, Takahisa
Abrégé
A film capacitor for positioning at a direct current (DC) terminal at a front end of an inverter having a plurality of switching elements, can include a first member, and a second member surrounding the first member, in which a first thickness of the first member is greater than a second thickness of the second member.
H01G 9/035 - Électrolytes liquides, p. ex. matériaux d'imprégnation
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
H01G 9/028 - Électrolytes organiques semi-conducteurs, p. ex. TCNQ
A thin film high polymer laminated capacitor includes: a laminated chip including dielectric layers, and internal electrode layers including first metal layers including a first metal vapor-deposited on the dielectric layers, and second metal layers including a second metal vapor-deposited on the first metal layers. The dielectric layers and the internal electrode layers are laminated and bonded alternately, and external electrodes are formed on one end and the other end of the laminated chip. The laminated chip includes a first region having the first metal layers formed on the dielectric layers, which are laminated alternately, and edge regions having the second metal layers formed on layers connected to the one end and layers connected to the other end in the first metal layers, which are laminated alternately, the first region having a capacitor function region, and the edge region having a heavy edge.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Capacitors, resistors, integrated circuits, inductance
coils, transformers, electrical switches, modulators,
amplifiers, impedance network, tuning circuits, oscillations
circuits, printed circuits, switching power supplies, AC-AC
converters and AC-DC converters; optical apparatus;
measuring apparatus, measuring instruments; apparatus for
recording of sound or images; apparatus for transmission of
sound or images; apparatus for reproduction of sound or
images; magnetic data carriers, recording discs; data
processing equipment and computers.
21.
THIN FILM POLYMER LAMINATED CAPACITOR AND MANUFACTURING METHOD THEREFOR
211 of the first monomer. (b) By using the following manufacturing method (1), when a first polymer member formed by using only the first monomer as the monomer and a second polymer member formed by using only the second monomer as the monomer are manufactured, and the water absorption rate of each of the polymer members is measured after being left still at 40℃ for 40 hours at 95%-relative humidity, the water absorption rate of the second polymer member is lower than the water absorption rate of the first polymer member. Here, the manufacturing method (1) comprises: providing the first monomer or the second monomer as a test monomer; obtaining a mixture by mixing a photoinitiator at a proportion of 0.2±0.01 mol with respect to 100 mol of the test monomer; pouring the mixture in a round plate; and creating a disc shaped polymer member having a dimension of diameter 30 mm × depth 1 mm, by irradiating, with UV, the mixture poured in the round plate in a nitrogen atmosphere at 120 W and from a distance of 250 mm until progress of polymerization stops.
C08F 220/18 - Esters des alcools ou des phénols monohydriques des phénols ou des alcools contenant plusieurs atomes de carbone avec l'acide acrylique ou l'acide méthacrylique
The present invention addresses the problem of providing: an electrolytic capacitor that uses a sintered foil having a metal sinter at at least the surface thereof as an electrode foil and stably exhibits the relatively large capacitance that is characteristic of sintered foils; and a production method for the electrolytic capacitor. An electrolytic capacitor (1) comprises: a capacitor element (2) that includes a positive electrode foil (8) having a dielectric layer, a negative electrode foil (9), and a separator (10) between the positive electrode foil (8) and the negative electrode foil (9); and an electrolyte (3) that permeates the capacitor element (2). The positive electrode foil (8) or the negative electrode foil (9) is obtained by shaping a sinter of a composition that contains a metal powder into a foil (is a foil-shaped sinter (8c)) or is obtained by forming a sinter coating film (8b) of the sinter on the surface of a substrate. The viscosity μ [cP] of the electrolyte (3) at 25[°C] is no more than 400 [cP].
The present invention addresses the problem of providing: an electrolytic capacitor which employs, as an electrode foil, a sintered foil having a metal sintered body at least on the surface thereof, and which is capable of stably generating relatively large electrostatic capacitance unique to a sintered foil; and a method for producing said electrolytic capacitor. As a solution to the above problem, an electrolytic capacitor (1) according to the present invention is provided with: a capacitor element (2) comprising a positive electrode foil (8) in which a dielectric layer is formed, a negative electrode foil (9), and a separator (10) disposed between the positive electrode foil (8) and the negative electrode foil (9); and an electrolytic solution (3) with which the inside of the capacitor element (2) is impregnated. The positive electrode foil (8) or the negative electrode foil (9) is obtained by forming a sintered body of a composition that contains a metal powder into the shape of a foil (composed of a foil-like sintered body (8c)), or alternatively, by forming, on the surface of a base material, a sintered film (8b) composed of the sintered body. The viscosity μ [cP] of the electrolytic solution (3) at 25 [°C] is 400 [cP] or less.
LG MAGNA E-POWERTRAIN CO., LTD. (République de Corée)
RUBYCON CORPORATION (Japon)
Inventeur(s)
Choi, Sungtae
Makino, Takahisa
Abrégé
A film capacitor for positioning at a direct current (DC) terminal at a front end of an inverter having a plurality of switching elements, can include a first member; and a second member surrounding the first member, in which a second dielectric resistance of the second member is higher than a first dielectric resistance of the first member.
The present invention provides a capacitor (1) comprising a body element (10) on which a dielectric layer (13) made of a thermosetting resin and a metal electrode layer (11) are laminated or wound, and an external electrode (20) to which at least a portion of the body element is connected. A boundary region (30) that includes a dense metallikon region (21) that is made of aluminum or an alloy containing aluminum and that contacts at least the dielectric layer made of a thermosetting resin and the metal electrode layer has a void rate VR expressed as follows: 0
Provided is an electrical storage device that is compact and can be manufactured easily, while allowing for use of higher voltages. In an electrical storage device, a winding structure comprises: a central electrode body in which a first extending part and a second extending part extending from either side of a central portion are wound around the central portion in the same direction; a first electrode body electrically connected to a first external terminal and extending toward an outer peripheral side from a vicinity of the central portion; a second electrode body electrically connected to a second external terminal and extending toward the outer peripheral side from a vicinity of the central portion; a first separator disposed between the central electrode body and the first electrode body; and a second separator disposed between the central electrode body and the second electrode body.
H01G 11/26 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface
H01M 50/474 - Éléments d'espacement à l'intérieur des cellules autres que les séparateurs, les membranes ou les diaphragmesLeurs procédés de fabrication caractérisés par leur position dans les cellules
H01M 50/538 - Connexions de plusieurs conducteurs ou languettes d’électrodes empilées enroulées ou pliées
27.
Thin film high polymer laminated capacitor manufacturing method
A thin film high polymer laminated capacitor includes: a laminated chip including dielectric layers, and internal electrode layers including first metal layers including a first metal vapor-deposited on the dielectric layers, and second metal layers including a second metal vapor-deposited on the first metal layers. The dielectric layers and the internal electrode layers being laminated and bonded alternately, and external electrodes formed on one end and the other end of the laminated chip. The laminated chip having a first region having the first metal layers formed on the dielectric layers, which are laminated alternately, and edge regions having the second metal layers formed on layers connected to the one end and layers connected to the other end in the first metal layers, which are laminated alternately, the first region having a capacitor function region, and the edge region having a heavy edge.
Provided is a capacitor (1) having a main body (10) in which a plurality of dielectric layers (13) and a plurality of electrode layers (11) are laminated, and an external electrode (20) connected to at least part of the main body, wherein, prior to formation of the external electrode by metal spraying (metallikon) on the main body, at least part of a connection surface (30) to be subjected to metal spraying is scanned by a laser beam (51), and a scanning mark (55) composed of a relief (35) produced by the laser beam is formed in at least part of the connection surface.
The present invention realizes a capacitor device with which electrical reliability can be improved by stabilizing an electroconductive connection state while suppressing ESR and ESL. A capacitor device 100 according to the present invention is provided with: a rod-shaped capacitor element 10 provided with a capacitor-function-comprising body structure 11, a first electrode 11d exposed to the outer peripheral surface of the body structure, and a second electrode 11a that protrudes from one end section of the body structure; a first terminal 12 electroconductively connected to the first electrode 11d; and, a second terminal 13 electroconductively connected to the second electrode 11a. The first terminal 12 extends at least partially in the circumferential direction along the outer peripheral surface of the body structure 11, and is electroconductively connected to the first electrode 11d in a form that at least partially surrounds the first electrode 11d.
Provided is a method for manufacturing a capacitor (1) having a main body part (10) in which a dielectric layer (13) and an electrode layer (11) are laminated, and at least a portion of which is connected to an external electrode (20). The manufacturing method has a step (89) for forming an electrode layer superimposed on the dielectric layer. The forming of the electrode layer includes a step (83) for forming a first metal layer including a connecting portion with the external electrode and an internal electrode portion, and a step (85) for forming a second metal layer superimposed on the connecting portion. The forming of the electrode layer further includes a step (82) for patterning a first pattern, and a step (84) for patterning a second pattern with a second material that volatilizes when forming the second metal layer.
The present invention addresses the problem of providing an EDLC which is further reduced in the generation of a gas therein than ever before and therefore has excellent voltage resistance when a high voltage is applied, and which is prevented from the deterioration of an electrolytic solution and therefore has excellent long-term reliability. As a solution for the problem, the EDLC is provided with: a pair of a positive electrode (4) and a negative electrode (6) each having a polarizable electrode (4b, 6b) bound onto a current collector (4a, 6a) and composed of activated carbon; a separator (8) provided between a positive-electrode-side polarizable electrode (4b) and a negative-electrode-side polarizable electrode (6b); and an electrolytic solution (10) with which the positive-electrode-side polarizable electrode (4b), the negative-electrode-side polarizable electrode (6b) and the separator (8) are impregnated. In the EDLC, the ratio of the capacity of the negative-electrode-side polarizable electrode (6b) to the capacity of the positive-electrode-side polarizable electrode (4b) is 1.0 to 1.5, the amount of surface functional groups in activated carbon that forms the positive-electrode-side polarizable electrode (4b) is 0.2 to 1.5 mmol/g, and the amount of surface functional groups in activated carbon that forms the negative-electrode-side polarizable electrode (6b) is 0.2 mmol/g or less.
Realized is a capacitor device which enables improvement in reliability while maintaining capacity enlargement and low ESR characteristics. A capacitor device 1 according to the present invention comprises: terminal support parts 2b, 3b which each are provided to a positive electrode connection lead part 2 or a negative electrode connection lead part 3, and with which positive electrode terminal parts 11T or negative electrode terminal parts 14T of a plurality of capacitor elements 10 are supported and conductively connected; and terminal holding parts 2c, 3c which each are provided to the positive electrode connection lead part 2 or the negative electrode connection lead part 3, and with which the positive electrode terminal parts 11T or the negative electrode terminal parts 14T of the plurality of capacitor elements are held and conductively connected.
The present invention addresses the problem of providing a power storage device configured such that an aluminum foil which is a current collector and an electrolytic solution would not make contact with each other, thereby preventing decrease in capacitance and increase in DC resistance and enhancing reliability in providing high-temperature resistant characteristics and the like. As a solution to the problem, an electrical double layered capacitor (1), which is one type of the power storage device, comprises a capacitor element (2a) to which an electrolytic solution (2e) is introduced. A positive electrode and a negative electrode of the capacitor element (2a) are each formed by covering the entire surface of an aluminum foil (7) with a coating material (8) and coating the same with an active substance (9), or covering a surface other than a first main surface of the aluminum foil (7) with the coating material (8) and coating the first main surface with the active substance (9).
H01G 11/28 - Électrodes caractérisées par leur structure, p. ex. multicouches, selon la porosité ou les caractéristiques de surface agencées ou disposées sur un collecteur de courantCouches ou phases entre les électrodes et les collecteurs de courant, p. ex. adhésifs
A capacitor (1) comprises a body (10) in which dielectric layers (13) and electrode layers (11) are laminated, and an external electrode (20) that is connected via a metal plating to at least a portion of the body. The dielectric layers have a thickness Dt at a connection boundary with the external electrode of the body, the electrode layers have a thickness Et at the connection boundary, and the ratio DE between the thickness Dt and the thickness Et is at least a first value DEmin. The first value DE may satisfy the conditions below with respect to a minimum set value Dt1 of the thickness Dt. DEmin ≥ a × Dt1 + b, and 0.1 μm ≤ Dt1 ≤ Dt ≤ 1.5 μm, where a and b are coefficients
Provided is a capacitor (1) comprising a body (10) in which dielectric layers (13) and electrode layers (11) are laminated, and an external electrode (20) connected to at least a portion of the body, wherein the electrode layers (11) include a heavy edge section (16) in which a connection portion connected to the external electrode is thicker than an internal electrode portion (15), and have a metal edge support layer (12) laminated on the heavy edge section (16).
The present invention addresses the problem of providing an electrolytic capacitor that does not require an etching treatment for an electrode material and can achieve a higher capacitance than that of existing electrolytic capacitors in which an electrode foil is used and the surface area is increased only through etching. As a solution, an electrolytic capacitor (10) according to the present invention comprises: a capacitor element (1) having an anode foil (20), a cathode foil (23), and separators (24), (25) interposed between the anode foil (20) and the cathode foil (23); and an electrolytic solution impregnated into the capacitor element (1), the electrolytic capacitor (10) being characterized in that the anode foil (20) or the cathode foil (23) has a sintered body constituted of sintered grains of a powder comprising at least one of aluminum and an aluminum alloy.
The present invention addresses the problem of providing: an electrolytic capacitor which employs, as an electrode foil, a sintered foil that has a metal sintered body at least on the surface thereof, and which is capable of suppressing deterioration in the service life characteristics by reducing leakage current; and a method for producing this electrolytic capacitor. As a solution of the above problem, an electrolytic capacitor 1 according to the present invention is provided with: a capacitor element (2) which comprises a positive electrode foil (8) that is provided with a dielectric layer, a negative electrode foil (9) and a separator (10) that is arranged between the positive electrode foil (8) and the negative electrode foil (9); and an electrolyte solution (3) with which the inside of the capacitor element (2) is impregnated. The positive electrode foil (8) or the negative electrode foil (9) is obtained by forming a sintered body of a composition that contains a metal powder into the shape of a foil (a foil-like sintered body (8c)), or alternatively, by forming a sintered film (8b), which is formed of the sintered body, on the surface of a base material (8a); and the electrolyte solution (3) contains one kind of oxygen acid of phosphorus, a derivative thereof, or a salt of the oxygen acid or the derivative in an amount of 0.01% by mass to 2.0% by mass.
The present invention addresses the problem of providing an electrolytic capacitor with which an etching treatment of an electrode material is not required and with which it is possible to achieve higher electrostatic capacitance than conventional electrolytic capacitors using electrode foils having surface areas increased only by etching. This electrolytic capacitor (10), as a solution, comprises: a capacitor element (1) having a positive electrode foil (20), a negative electrode foil (23), and separators (24), (25) interposed between the positive electrode foil (20) and the negative electrode foil (23); and an electrolyte into which the capacitor element (1) is impregnated, wherein the positive electrode foil (20) or the negative electrode foil (23) is characterized by having a sintered body formed by powder sintered grains composed of at least one among aluminum and an aluminum alloy.
This capacitor (10) includes a case (20) housing a capacitor element (11), and a pressure valve (25) provided in a bottom surface (first surface) (21) of the case. The pressure valve includes a discharge direction control structure (24) including a first groove (26a) provided in the bottom surface and a second groove (26b) provided in the bottom surface so as to intersect or touch the first groove, the second groove being shallower than the first groove, the discharge direction control structure deforming due to an increase in the internal pressure of the case and opening diagonally relative to the bottom surface by fracturing at least partially.
The purpose of the present invention, in a solid electrolytic capacitor including a solid electrolyte and an electrolyte between electrode foils, is to provide a solid electrolytic capacitor and a method for manufacturing said solid electrolytic capacitor capable of long term and sufficient suppression of a rise in ESR, and capable of realizing longer life. As a solution, in a solid electrolytic capacitor (1) according to the present invention, a base component of an electrolyte (2g) contains an amine represented by formula (1). (In the formula, R1represents a hydrogen or an alkyl group, R2represents an alkylene group, and R3represents an alkyl group. n represents an integer from 1 to 100, and when n is 2 or greater, a plurality of the R2may be the same or different. m represents an integer from 1 to 3, and when m is 1, a plurality of the R1may be the same or different, when m is 2 or 3, a plurality of the R2may be the same or different, a plurality of n may be the same or different, and a plurality of the R3 may be the same or different.)
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
H01G 9/035 - Électrolytes liquides, p. ex. matériaux d'imprégnation
The purpose of the present invention is to provide: a solid electrolytic capacitor including both a solid electrolyte and an electrolyte solution between electrode foils, wherein a rise in ESR can be sufficiently suppressed for a long time and for which a long life can be realized; and a method for manufacturing the same. To achieve the foregoing, this solid electrolytic capacitor (1) includes an amine represented by general formula (1) as the base component of an electrolyte solution 2g). In the formula, R1represents hydrogen, an alkyl group, a hydroxyalkyl group, or an alkoxyalkyl group. R2, R3, R4, and R5each independently represent hydrogen, an alkyl group, a hydroxy group, a hydroxyalkyl group, an alkoxy group, or an alkoxyalkyl group. The ends of R2and R3may join to form a ring. The ends of R4and R5 may join to form a ring.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
H01G 9/035 - Électrolytes liquides, p. ex. matériaux d'imprégnation
e) containing ethylene glycol, 10 to 30% by mass of water, and 1 to 12% by mass of an amine salt of a carboxylic acid, having added thereto 0.01 to 2% by mass of one or more kind of ammonium hypophosphite, an amine salt of hypophosphorous acid, and hypophosphorous acid, the carboxylic acid being a polycarboxylic acid having a chain hydrocarbon skeleton and a molecular weight of 140 to 500.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
Provided is a power storage device that is made compact and can be manufactured easily, while ensuring voltage endurance characteristics. A power storage device 1 comprises a winding structure 20 and a housing 3, 4 forming an accommodating space. The winding structure comprises: an electrically insulating, band-shaped partitioning member 21 that has an electrolyte-shielding property and is wound so as to divide the accommodating space into a plurality of accommodating regions; and a plurality of power-storage function bodies 20A, 20B which are each separately disposed in the plurality of accommodating regions so as to be wound along the partitioning member. The power-storage function bodies are provided with first electrode bodies 22A, 22B, second electrode bodies 23A, 23B, and separators 24A, 24B disposed between the first electrode bodies and the second electrode bodies, each of which is configured in the form of a band wound along the partitioning member.
H01G 11/82 - Fixation ou assemblage d’un élément capacitif dans un boîtier, p. ex. montage d’électrodes, de collecteurs de courant ou de bornes dans des récipients ou des encapsulations
Provided is an electrical storage device that is compact and can be manufactured easily, while allowing for use of higher voltages. In an electrical storage device 1, a winding structure 20 comprises: a central electrode body 21 in which a first extending part 21b and a second extending part 21c extending from either side of a central portion 21a are wound around the central portion in the same direction; a first electrode body 22 electrically connected to a first external terminal 6 and extending toward an outer peripheral side from a vicinity of the central portion; a second electrode body 23 electrically connected to a second external terminal 7 and extending toward the outer peripheral side from a vicinity of the central portion; a first separator 24 disposed between the central electrode body and the first electrode body; and a second separator 25 disposed between the central electrode body and the second electrode body.
Provided is an electrolytic capacitor that has low impedance as a result of the water content thereof being increased, that has a withstand voltage of 400V or more, and that makes it possible to increase long-term reliability. An electrolytic capacitor (1) that serves as a means for solving the problem addressed by the present invention includes ethylene glycol, 10-30 mass% of water, and 1-12 mass% of an amine salt of carboxylic acid as an electrolyte solution (2e), said electrolyte solution (2e) has 0.01-2 mass% of at least one of ammonium hypophosphite, an amine salt of hypophosphoric acid, and hypophosphoric acid added thereto, and the carboxylic acid is a polycarboxylic acid having a chain hydrocarbon skeleton and a molecular weight of 140-500.
Provided is a solid electrolytic capacitor in which the desired electrostatic capacity is employed, the ESR at the usage frequency is made smaller than in the prior art, and oxide film repair performance is improved, so that the effect in regard to reducing leakage current is heightened. As a solution, this solid electrolytic capacitor (1) comprises: a solid electrolyte (20) that has an anode foil (2a) on which an oxide film is formed, a cathode foil (2c), and a separator (2d), the solid electrolyte (20) being formed of an electroconductive polymer compound in the form of a microparticulate; and a water-soluble compound solution (30) introduced to surround the solid electrolyte (20). The solid electrolyte (20) contains a polyol compound having a molecular weight of less than 200 and four or more hydroxyl groups as a first water-soluble compound (2f1). One or more liquid-form glycol compounds are contained in the water-soluble compound solution (30) as a second water-soluble compound (2f2), and the average molecular weight of the second water-soluble compound (2f2) is less than 400.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
H01G 9/028 - Électrolytes organiques semi-conducteurs, p. ex. TCNQ
H01G 9/035 - Électrolytes liquides, p. ex. matériaux d'imprégnation
The present disclosure addresses the problem of providing: a humidity sensor configured for long-term stabilization of operations, where, when a moisture-sensitive film, after being formed, has contracted due to temporal transition or due to changes in environmental temperature, etc., gaps formed in a second electrode (upper electrode) are prevented from closing; and a manufacturing method for the same. As a means for solving this problem, a humidity sensor (1) comprises: a base material (2); a first electrode (3); a moisture-sensitive film (4) formed of a polymer material; and a second electrode (5). The moisture-sensitive film (4) has protrusions (41) formed on an upper surface (4a) thereof at prescribed intervals (W1), and gaps (G1) formed in the second electrode (5) have a configuration where gaps (G12) on the lower surface side of the second electrode (5) are larger than gaps (G11) on the upper surface side of the second electrode.
G01N 27/22 - Recherche ou analyse des matériaux par l'emploi de moyens électriques, électrochimiques ou magnétiques en recherchant l'impédance en recherchant la capacité
49.
Solid electrolytic capacitor and manufacturing method thereof
Provided is a solid electrolytic capacitor having a lower leakage current than a conventional solid electrolytic capacitor. The solid electrolytic capacitor includes: an anode foil having a surface on which an oxide film is formed; a cathode foil; and a separator disposed between the anode foil and the cathode foil, wherein a solid electrolyte made of a conductive high-molecular weight compound in a fine particle form and a water-soluble high-molecular weight compound solution which is formed of a water-soluble high-molecular weight compound in a liquid form, water and alcohol having a nitro group are introduced into a gap formed between the anode foil and the cathode foil in a state where the water-soluble high-molecular weight compound solution surrounds the solid electrolyte.
H01G 9/012 - Bornes spécialement adaptées pour les condensateurs à solides
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
In a method of manufacturing a thin-film polymer multi-layer capacitor, in a vacuum chamber, a resin thin film layer forming step of forming a resin thin film layer by forming a monomer layer by vapor-depositing a monomer and thereafter by curing the monomer layer by irradiating an electron beam onto the monomer layer, and a metal thin film layer forming step of forming a metal thin film layer by vapor-depositing a metal material are alternately performed on a rotary drum thus forming a multi-layer body in which the resin thin film layer and the metal thin film layer are alternately laminated on the rotary drum. In the resin thin film layer forming step, the monomer layer is formed using a dimethacrylate compound having an alicyclic hydrocarbon skeleton expressed by a following chemical formula (1) as the monomer.
wherein, symbol A indicates an organic group containing alicyclic hydrocarbon.
H01G 4/18 - Diélectriques organiques en matériau synthétique, p. ex. en dérivés de la cellulose
H01G 13/00 - Appareils spécialement adaptés à la fabrication de condensateursProcédés spécialement adaptés à la fabrication de condensateurs non prévus dans les groupes
C09D 135/02 - Homopolymères ou copolymères d'esters
51.
FIXING MEMBER-ATTACHED ELECTRONIC COMPONENT, AND FIXING MEMBER
A fixing member-attached electronic component 100A of the present invention is provided with: an electronic component main body 110 having a cylindrical shape; terminals 121 and 122 for electrically connecting to a circuit board; and a fixing member 300A for fixing an electronic component main body 110 to the circuit board. The fixing member 300A has: an electronic component main body holding section 310 that holds the electronic component main body 110 by being wound on the electronic component main body 110 along the circumferential direction of the electronic component main body 110; and substrate attaching leg sections 321 and 322, which are continuously formed from the electronic component main body holding section 310, and which can be inserted into fixing member attaching holes provided in the circuit board, and the electronic component main body holding section 310 and the substrate attaching leg sections 321 and 322 are continuously formed using one elastic wire. Workability at the time of mounting on the circuit board can be improved, and component management can be simplified with the present invention.
A four-terminal snubber capacitor (10) according to the present invention is used in an inverter circuit (1), and is provided with: a snubber capacitor main body (100); a first bus bar (110) having a first terminal (111) to be connected to a terminal on the positive electrode side of a smoothing capacitor (101), and a second terminal (112) to be connected to the drain terminal of a MOSFET (102) on the positive electrode side; and a second bus bar (120) having a third terminal (121) to be connected to a terminal on the negative electrode side of the smoothing capacitor (101) and a fourth terminal (122) to be connected to the source terminal of a MOSFET (103) on the negative electrode side. The four-terminal snubber capacitor (10) according to the present invention makes it possible for surge voltages occurring during switch-off, and noise occurring during switch-off, to be reduced in comparison with conventional snubber capacitors.
H02M 7/48 - Transformation d'une puissance d'entrée en courant continu en une puissance de sortie en courant alternatif sans possibilité de réversibilité par convertisseurs statiques utilisant des tubes à décharge avec électrode de commande ou des dispositifs à semi-conducteurs avec électrode de commande
53.
Solid Electrolytic capacitor and manufacturing method thereof
A solid electrolytic capacitor includes: an anode foil on which an oxide film is formed; a cathode foil; and a separator between the anode and cathode foils, wherein a solid electrolyte in a fine particle form made of a conductive high molecular weight compound and a water-soluble high-molecular weight compound in a liquid form are introduced into a gap between the anode and cathode foils in a state where the water-soluble high-molecular weight compound in a liquid form surrounds the solid electrolyte, and a ratio of an area that the solid electrolyte occupies in the gap is set to a value which falls within a range of 1 vol % to 30 vol %, and a ratio of an area that the water-soluble high-molecular weight compound in a liquid form occupies in the gap is set to a value which falls within a range of 10 vol % to 99 vol %.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
Provided is a solid electrolyte capacitor which includes: a bottomed cylindrical housing which includes a bottom surface portion and a side surface portion raised from the bottom surface portion, and has an opening portion formed on an edge portion of the side surface portion; a capacitor element which is accommodated in the inside of the housing, and is formed by winding an anode foil and a cathode foil in an overlapping state with a separator interposed therebetween and by filling a space formed between the anode foil and the cathode foil with a solid electrolyte; a sealing member which seals the opening portion of the housing in a state where the capacitor element is accommodated in the inside of the housing; and a composite sheet which is arranged between the bottom surface portion of the housing and the capacitor element, and has the structure where a resin made of a high-molecular weight compound is retained in a fiber sheet containing at least cellulose fibers.
A solid electrolyte capacitor includes a bottomed cylindrical housing having a bottom surface portion, a side surface portion raised from the bottom surface portion and an opening portion formed on an end portion of the side surface portion; a capacitor element housed in the inside of the housing, the capacitor element being formed by winding an anode foil and a cathode foil in an overlapping state with a separator interposed therebetween and by filling a solid electrolyte between the anode foil and the cathode foil; and a sealing member sealing the opening portion of the housing in a state where the capacitor element is housed in the inside of the housing, wherein an oxide film repairing body made of a hydrophilic synthetic resin is disposed at least one of between the bottom surface portion and the capacitor element of the housing and between the capacitor element and the sealing member.
2 are groups selected from the set consisting of a substituted or unsubstituted alkylene, a substituted or unsubstituted alkenylene, and a substituted or unsubstituted phenylene, and represent mutually different groups.
H01G 9/028 - Électrolytes organiques semi-conducteurs, p. ex. TCNQ
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
A process for producing a thin-film polymer laminated film capacitor, including a laminate production step which comprises: conducting a resin thin-film layer formation step and a metal thin-film layer formation step on a rotating drum alternately repeatedly; and thus forming, on the rotating drum, a laminate in which resin thin-film layers and metal thin-film layers are alternately laminated. The resin thin-film layer formation step comprises: evaporating a monomer in a vacuum chamber to form a monomer layer; irradiating the monomer layer with an electron beam to cure the monomer layer; and thus forming a resin thin-film layer. The metal thin-film layer formation step comprises evaporating a metal material to form a metal thin-film layer. In the resin thin-film layer formation step, the monomer layer is formed using a dimethacrylate compound having an alicyclic hydrocarbon skeleton as the monomer, said dimethacrylate compound being represented by chemical formula (1) [wherein A is an organic group that contains an alicyclic hydrocarbon]. The present invention can enhance the hardness of the resin thin-film layers sufficiently, thus enabling the production of a thin-film polymer laminated film capacitor having desired performance.
H01G 13/00 - Appareils spécialement adaptés à la fabrication de condensateursProcédés spécialement adaptés à la fabrication de condensateurs non prévus dans les groupes
58.
SOLID ELECTROLYTIC CAPACITOR AND HOUSING FOR SOLID ELECTROLYTIC CAPACITOR
This solid electrolytic capacitor is provided with: a bottomed cylindrical housing (10) having a bottom surface section (12), a side surface section (14) provided upright on the bottom surface section (12), and an opening section (16) formed on an end section of the side surface section (14); a capacitor element (20) accommodated within the housing (10), and formed by winding so that a positive-electrode foil (22) and a negative-electrode foil (24) overlap with separators (26) interposed therebetween, and by filling the space between the positive-electrode foil (22) and the negative-electrode foil (24) with a solid electrolyte; and a sealing member (30) for sealing the opening section (16) of the housing (10) with the capacitor element (20) accommodated within the housing (10). The solid electrolytic capacitor is characterized in that an oxide film repair body (40), which is made of a hydrophilic synthetic resin, is disposed at least between the bottom surface section (12) of the housing (10) and the capacitor element (20) or between the capacitor element (20) and the sealing member (30). With this solid electrolytic capacitor, breakdown voltage is high, leak current is low, and the lifespan thereof is longer than that of the conventional art.
This solid electrolyte capacitor (1) is provided with an anode foil (21) on the surface of which an oxide membrane (22) is formed, a cathode foil (23), and a separator (25), and is formed by filling the gap between the anode foil (21) and the cathode foil (23) with a solid electrolyte (26) comprising "conductive microparticles (27) that include a conductive polymer compound, and a hydrophilic polymer compound (28)," wherein the hydrophilic polymer compound (28) includes a structure represented by the chemical formula (I) and a structure represented by the chemical formula (II). -(R1-O)- ... (I) -(R2-O)- ... (II) (In formula (I) and formula (II), R1 and R2 are groups selected from the set consisting of a substituted or unsubstituted alkylene, a substituted or unsubstituted alkenylene, and a substituted or unsubstituted phenylene, and represent mutually different groups.) This solid electrolyte capacitor (1) has high voltage tolerance, low leakage current, and a longer life than conventional examples.
The capacitor includes at least: a capacitor body; two lead wires provided on one end surface; a projecting portion provided at a substantially central portion of another end surface; and at least two relief valves provided on the another end surface. On the another end surface, the at least two relief valves are arranged in substantially rotational symmetry with respect to the projecting portion. Further, an axial center line of the projecting portion and an axial center line of the capacitor substantially correspond to each other. Also provided are a capacitor case to be used the capacitor and a substrate provided with a circuit using the capacitor.
H01G 9/00 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication
H01G 2/06 - Dispositifs de montage spécialement adaptés pour le montage sur un support de circuit imprimé
H01G 9/12 - Orifices ou autres moyens pour permettre la dilatation
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
A capacitor (10) of the present invention is provided with: a dielectric layer (130) that contains a liquid crystal composition containing an ionic liquid crystal; and a pair of electrode layers (110a, 110b) that face each other with the dielectric layer (130) being interposed therebetween. The ionic liquid crystal is composed of an ionic smectic liquid crystal that is represented by general formula (1). In general formula (1), R1 represents a linear or branched alkyl group having 1-22 carbon atoms, an alkenyl group or an alkoxy group; A1 represents a divalent group that is represented by one of formulae (A1-1)-(A1-10); R2 represents a linear or branched alkyl group having 1-22 carbon atoms or an alkenyl group; and A2- represents an anion. In this connection, A1 may be omitted. The capacitor of the present invention can be increased in the capacity per unit area in comparison to conventional film capacitors.
Provided is a multilayer capacitor that can be manufactured with high yields and whose warpage is suppressed. The multilayer capacitor includes two or more laminated bodies which are bonded together, the two or more laminated bodies each including resin layers and metal layers which are alternately laminated a plurality of times in a thickness direction and each being warped and having front and rear surfaces covered with surface layers containing a resin material, one of the front and rear surfaces being formed of a first surface as a smooth surface having no recess portion, another of the front and rear surfaces being formed of a second surface having a recess portion, in which at least two adjacent laminated bodies are bonded together at the first surfaces or the second surfaces. Also provided are a manufacturing method for the multilayer capacitor, and a circuit board and an electronic device which use the multilayer capacitor.
In the present invention, the discharge direction of gas discharged from a safety valve is constantly specified in a set direction when a capacitor is attached to a substrate laterally with respect to the substrate surface without increasing the complexity of the production step of the capacitor. Provided is a capacitor that has at least: a capacitor body (20); two lead lines (24A, 24B) provided to one end surface (22A); a protrusion (26) provided roughly to the center of the other end surface; and at least two safety valves (28A, 28B) provided to the other end surface (22B). In the other end surface (22B), the at least two safety valves (28A, 28B) are disposed in a manner so as to be roughly rotationally symmetrical with respect to the protrusion (26), and the center line in the axial direction of the protrusion (26) and the center line in the axial direction of the capacitor (10A) roughly match. Further provided are a capacitor case used in the capacitor and a substrate that is provided with a circuit and that uses the capacitor.
The present invention facilitates alterations of a production line in the case of production that uses an existing production line, and has superior handing of capacitor intermediate products during production. Provided is a capacitor having at least: a columnar capacitor body (20) having two electrode elements (24A, 24B) at one end surface (22A) and having a columnar protrusion (26) on the other end surface (22B); and an affixing auxiliary terminal (30A) attached to the capacitor body (20). The affixing auxiliary terminal (30A) has: a pressure-bonded affixed member (32A) that has been pressure bonded and affixed to the protrusion (26) in the state of pressing the outer peripheral surface of the protrusion (26) from at least two directions that are roughly perpendicular to the central axis (C1) of the protrusion (26); and a rod-shaped member (34) connected to the pressure-bonded affixed member (32A). Further provided are a method for producing the capacitor, and a substrate that is provided with a circuit and that uses the capacitor.
09 - Appareils et instruments scientifiques et électriques
Produits et services
Capacitors, resistors, integrated circuits, inductance
coils, transformers, electrical switches, modulators,
amplifiers, impedance network, tuning circuits, oscillations
circuits, printed circuits, switching power supplies, AC-AC
converters and AC-DC converters; optical apparatus;
measuring apparatus, measuring instruments; apparatus for
recording of sound or images; apparatus for transmission of
sound or images; apparatus for reproduction of sound or
images; magnetic data carriers, recording discs; data
processing equipment and computers.
66.
MULTILAYER CAPACITOR, MANUFACTURING METHOD THEREOF, CIRCUIT BOARD, AND ELECTRONIC DEVICE
Provided is a multilayer capacitor that can be manufactured with a high yield, and wherein the warp thereof can be limited. The multilayer capacitor, manufacturing method thereof, circuit board, and electronic device are characterized by having resin layers and metal layers laminated alternately a plurality of times in the thickness direction, having the front and back faces thereof covered with surface layers containing resin material, having either the front face or the back face comprised of a first face (30) that is a gently sloping face without any recess section, having the other face comprised of a second face (32) with recess sections (34), and characterized by having two or more laminated bodies (20A, 20B), with warps, pasted together, and by further having at least two adjacent laminated bodies (20A, 20B) pasted together with either the first faces (30) thereof, or with the second faces (32) thereof.
Disclosed is a surface mounting device (1), which has a substrate (10) and a capacitor element packaged on the surface on packaging side of the substrate, and is integrally formed using a resin for housing, with the substrate (10) and the capacitor element included therein. The substrate (10) includes a first terminal electrode (51), which is electrically connected to the first electrode of the capacitor element, and a second terminal electrode (52), which is electrically connected to the second electrode of the capacitor element. At least a part of the mounting side surface (12) on the reverse side of the surface on the packaging side of the substrate (10) is exposed from the mounting surface (2) of the device (1), and the first terminal electrode (51) and the second terminal electrode (52) are disposed in proximity on the entire circumference (13) of the mounting surface (2) of the device (1).
H01G 9/004 - Condensateurs électrolytiques, redresseurs électrolytiques, détecteurs électrolytiques, dispositifs de commutation électrolytiques, dispositifs électrolytiques photosensibles ou sensibles à la températureProcédés pour leur fabrication Détails
H01G 2/06 - Dispositifs de montage spécialement adaptés pour le montage sur un support de circuit imprimé
An electrolytic capacitor which has tab terminals that are enlarged and in which short-circuit does not occur in the tab terminals even if charge/discharge are repeated is provided. In the electrolytic capacitor (30), electrode foils (38, 39) whose surfaces are enlarged and the tab terminals (40, 41) whose surfaces are enlarged are bonded by a bonding part (44). In end parts opposite to an outer connection side of the tab terminals (40, 41), length (d) projected from end parts of the other electrode foils (38, 39) arranged by facing the fixed electrode foils (38, 39) is made to be d≥0.
A compact portable hydrogen generation unit that is capable of demanded hydrogen generation through efficient reaction between water and a metal foil but not through reaction between metal microparticles and water or steam. The hydrogen generation unit is characterized by having a reaction element consisting of, superimposed one upon another in layers, a metal foil containing aluminum or an aluminum alloy and an isolation material, preferably a reaction element consisting of a wound or laminated structure of metal foil and layered isolation material, and a container accommodating the reaction element so that hydrogen gas can be generated by reaction between the reaction element and water in the container.
C01B 3/08 - Production d'hydrogène ou de mélanges gazeux contenant de l'hydrogène par réaction de composés inorganiques comportant un hydrogène lié électropositivement, p. ex. de l'eau, des acides, des bases, de l'ammoniac, avec des agents réducteurs inorganiques avec des métaux
H01M 8/06 - Combinaison d’éléments à combustible avec des moyens de production de réactifs ou pour le traitement de résidus
H01M 8/10 - Éléments à combustible avec électrolytes solides
70.
ELECTRONIC PARTS PRESSURE REGULATING VALVE, AND ELECTRONIC PARTS USING THE VALVE
In electronic parts including an electrochemical element and a closed container for containing the element, there is disclosed a pressure regulating valve, which is arranged in a gas flow passage (3) leading from the inside to the outside of the container (1), for regulating the pressure in the container (1). The pressure regulating valve comprises (a) a gas permeating member (4) for permeating gases in the container (1) selectively, and (b) an ON/OFF member (5) for making the gas permeating member (4) movable in two directions by the rise and subsequent drop of the gas pressure in the container, thereby to open/close the pressure regulating valve. The pressure regulating valve can further comprise a gas-liquid separating film (7) for preventing the outflow of the liquid, which might otherwise be carried by the gases to flow out. The pressure regulating valve can be used as one for the electronic parts such as a battery, an electrolytic capacitor or an electric double-layer capacitor, which is enabled to retain a long reliability by suppressing the permeation of the electrolyte solvent component to be carried by the gases.
A laser pointer enabling continuation of, e.g., a presentation by quickly dealing with a failure that a laser beam is suddenly not emitted during the presentation because of power supply function stop. The laser pointer for pointing an arbitrary position by emitting a laser beam from an emitting part (1) is characterized by comprising a power supply (3) having electrical double layer capacitors (3a, 3b) and a connection section (4) for connection to an external electronic device or a power supply. The laser pointer can also comprise a discharging circuit (9) for discharging the excessive charge of the power supply (3). The connection section (4) can be composed of a USB (Universal Serial Bus) terminal. The laser pointer does not cause an accident that a person receives the laser beam at the eye by mistake.
G02B 27/20 - Systèmes ou appareils optiques non prévus dans aucun des groupes , pour projection optique, p. ex. combinaison de miroir, de condensateur et d'objectif pour donner une image d'objets minuscules, p. ex. indicateur lumineux
09 - Appareils et instruments scientifiques et électriques
Produits et services
Electrical and electronic parts, namely, capacitors [, resistors, integrated circuits, inductance coils, transformers, electrical switches, modulators, amplifiers, tuning circuits, oscillation circuits, printed circuits, switching power supply, AC-AC converters, AC-DC converters and impedance matching network, namely, filter circuit comprising capacitors and inductors for selectively passing a signal, or removing a noise, having specific frequency ]
09 - Appareils et instruments scientifiques et électriques
Produits et services
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; calculating machines, data-processing equipment and computers; electric and electronic equipment, apparatus and components, namely capacitors, electric resistors, integrated circuits, inductors, transformers, switches, modulators, audio amplifiers, impedance networks, tuning circuits, oscillation circuits, resonators, printed circuits, combinational circuit apparatus, AC/AC power converters, AC/DC power converters.
