Entries |
Document | Title | Date |
20080198532 | Solid capacitor and manufacturing method thereof - A solid capacitor and the manufacturing method thereof are disclosed. The solid capacitor consists of a dielectric layer and two electrodes. A plurality of holes formed by an opening process is disposed on surface of the dielectric layer. The two electrodes connect with the dielectric layer by the holes. By means of a plurality of high temperature volatile matters, the plurality of holes is formed on surface of the dielectric layer during sintered process. The holes are connected with the outside so as to increase surface area of the dielectric layer and further the capacity is increased. And the solid capacitor stores charge by physical means. Moreover, the solid capacitor can be stacked repeatedly to become a multilayer capacitor. | 08-21-2008 |
20080204974 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor excellent in adhesion to a solid electrolyte with excellent ESR and heat resistance can be provided without reducing the material characteristics of a separator. This solid electrolytic capacitor comprises a capacitor element formed by winding an anodic foil prepared from a chemical conversion foil obtained by anodizing a metal having a valve action and a counter cathodic foil through a separator and a solid electrolyte employed as an electrolyte, while the separator is prepared from aramid fiber, and a silane coupling agent adheres to voids of the aramid fiber. | 08-28-2008 |
20080232033 | SOLID ELECTROLYTIC CAPACITOR CONTAINING A BARRIER LAYER - An electrolytic capacitor containing an anode and solid electrolyte overlying the anode is provided. The capacitor may also include a barrier layer that overlies the solid electrolyte to help protect the capacitor from its working environment. More specifically, the barrier layer may include a three-dimensional crosslinked network that provides excellent adhesion to the underlying layers, and also improved barrier properties to moisture. In this manner, the barrier layer can enable the electrolytic capacitor to increase it performance in relatively high humidity and/or high temperature environments. | 09-25-2008 |
20080247120 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A carbon layer is formed on a solid electrolyte layer of the solid electrolytic capacitor, and a conductor layer connected to a cathode terminal is further disposed thereon. The carbon layer contains carbon particles, and a first additive or a second additive. The first additive is formed from at least one of those selected from the group consisting of hydrated silica and silicate. The second additive is formed from at least one of those selected from the group consisting of a condensation product of an aromatic sulfonic acid with formaldehyde, a condensation product of an aromatic sulfonate with formaldehyde, polystyrene sulfonic acid, and polystyrene sulfonate. | 10-09-2008 |
20080247121 | HIGH VOLTAGE SOLID ELECTROLYTIC CAPACITORS USING CONDUCTIVE POLYMER SLURRIES - A method for forming a capacitor including forming an anode from a valve metal; forming an oxide on the anode to form an anodized anode; dipping the anodized anode into a slurry of conductive polymer; drying the intrinsically conductive polymer; and providing external terminations in electrical contact with the anode and the conductive polymer. | 10-09-2008 |
20080259526 | Solid electrolytic capacitor - Anodized films are formed at both surfaces of an aluminum base and, at the center portion on each side of the aluminum base, a solid electrolyte layer of a conductive polymer, a graphite layer, and a metal layer are stacked in the order, thereby forming a rectangular cathode portion. An insulator layer is formed at the peripheries of four sides of the cathode portion and, further, an anode lead frame is provided at the peripheries of four sides of the upper insulator layer, thereby forming an anode portion. Openings are formed at four corners of the insulator layer or the anode portion, thereby establishing electrical connection between the cathode portions on both sides of the aluminum base. By setting the ratio of a total region, occupied by the openings, of the cathode portion to 25% or less, the ESL of a capacitor can be suppressed low even when the openings are provided. | 10-23-2008 |
20080266756 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - Particles of a valve metal and a binder are mixed and kneaded together. The mixed-kneaded matter obtained thereby is molded, and a through-hole is formed in the molded body. An anode body is formed by sintering the molded body. A dielectric layer is formed on the surface of the anode body thus formed. Subsequently, an conducting polymer layer is formed on the dielectric layer. | 10-30-2008 |
20080266757 | ELECTRIC CIRCUIT DEVICE - An electric circuit device comprises an electric element and a conductive plate. The electric element comprises first and second anode electrodes and a cathode electrode. The first anode electrode is disposed on one end of the electric element in the longitudinal direction DR | 10-30-2008 |
20080273291 | Channel Method For Forming A Capacitor - An improved method for forming a capacitor. The method includes:
| 11-06-2008 |
20080285209 | SOLID ELECTROLYTIC CAPACITOR - The present invention provides a solid electrolytic capacitor including an anode lead frame and/or a cathode lead frame which are/is bent to be located along a side surface and a bottom surface of a resin package, wherein each of the anode lead frame and the cathode lead frame has a projecting portion extending outward from a portion located along the bottom surface of the resin package. By providing such a projecting portion, it is possible to easily check formation of a solder fillet in mounting the solid electrolytic capacitor. | 11-20-2008 |
20080316680 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention is to provide a solid electrolytic capacitor having a small equivalent series resistance. In this solid electrolytic capacitor, a capacitor element is buried inside of an outer package of an epoxy resin or the like, the capacitor element including an anode in which a part of an anode lead is buried, a dielectric layer which is formed on the anode and contains a niobium oxide and a cathode which is formed on the dielectric layer. The cathode includes a first electrolyte layer which is formed on the dielectric layer and contains a conductive polymer, an intermediate layer which is formed on the first electrolyte layer and contains organic silane, a second electrolyte layer which is formed on the intermediate layer and contains a conductive polymer, a first conductive layer which is formed on the second electrolyte layer and contains carbon particles and a second conductive layer which is formed on the first conductive layer and contains silver particles. Also, one end of a cathode terminal is connected with the cathode through a third conductive layer containing silver particles. Also, each of the other ends of an anode terminal and cathode terminal is exposed from the outer package. | 12-25-2008 |
20090002923 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor has an anode body including a porous sintered body consisting of a valve action metal, a dielectric layer deposited on a surface of the anode body, a conductive polymer layer deposited on a surface of the dielectric layer, and a cathode layer deposited on a surface of the conductive polymer layer. The conductive polymer layer includes a laminated film consisting of a first conductive polymer layer formed by a chemical polymerization process and a second conductive polymer layer formed by an electrolytic polymerization process. The first conductive polymer layer has recesses on its surface against the dielectric layer. Interior surfaces of such recesses define cavities which constitute pores at an interface between the first conductive polymer layer and the dielectric layer. These pores are distributed at intervals along the interface between the first conductive polymer layer and the dielectric layer in such a way that the dielectric layer is exposed to their interior surfaces. | 01-01-2009 |
20090015988 | Solid Electrolytic Capacitor - A solid electrolytic capacitor (A | 01-15-2009 |
20090021892 | Aluminum Plate For Aluminum Electrolytic Capacitor Electrode, Aluminum Electrolytic Capacitor, and Method For Manufacturing Aluminum Electrolytic Capacitor - An aluminum plate having an aluminum purity of not less than 99.98% by mass and an Fe content of 5 to 50 ppm with the balance consisting of unavoidable impurities is used to realize increased capacitance of an aluminum electrolytic capacitor, reduced height, and improved high frequency characteristics. In this aluminum plate, the total content of Fe in crystal/precipitate is 1 to 50% based on the original content, and the thickness of the aluminum plate is 0.2 to 1 mm. In the formation of a capacitor anode, the aluminum plate is subjected to alternate current etching so as to leave a core part having an average thickness of 50 to 150 μm in the center part in the thickness-wise direction to increase the surface area, followed by anodic oxidation. | 01-22-2009 |
20090021893 | METHOD FOR MANUFACTURING ELECTROLYTIC CAPACITOR AND ELECTROLYTIC CAPACITOR - A method for manufacturing an electrolytic capacitor comprising the steps of: forming a capacitor element having a pair of electrode foils wound with a separator interposed therebetween; impregnating the capacitor element with a dispersion solution containing particles of an electrically conductive solid or aggregates thereof and a solvent to form a planar electrically conductive solid layer having the particles of the electrically conductive solid or the aggregates thereof on the surfaces of the electrode foils and the separator; and impregnating the capacitor element having the electrically conductive solid layer with an electrolytic solution. | 01-22-2009 |
20090027831 | Lithium Ion Capacitor - It is to provide a lithium ion capacitor having a high energy density, a high output density, a large capacity and high safety. | 01-29-2009 |
20090027832 | ELECTRODE FOIL FOR CAPACITORS AND SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor that includes a cathode foil and solid electrolyte made of conductive polymer. This cathode foil is made by providing a nickel layer on a surface of a base material made of valve metal. This nickel layer includes a layer containing only nickel and a layer containing nickel oxide. Both large capacitance and low equivalent series resistance are achievable at the same time with this simple structure at low cost. | 01-29-2009 |
20090027833 | SURFACE-COATED POLYMER ACTUATOR AND METHOD OF PREPARING THE SAME - Provided are a surface-coated polymer actuator and a method of preparing the same. The polymer actuator includes an ionic conductive polymer membrane, metal electrodes formed on both surfaces of the ionic conductive polymer membrane, and coating layers formed on both the surfaces of the metal electrodes. | 01-29-2009 |
20090027834 | SOLID ELECTROLYTE CAPACITOR - The present invention relates to a solid electrolyte capacitor having a small size, a high capacitance, a low ESR and an excellent LC value, which includes a jacketed capacitor element obtained by sequentially stacking a dielectric oxide film layer, a semiconductor layer and an electrically conducting layer on a surface of a valve-acting metal sintered body or electrically conducting oxide sintered body connected with an anode lead, wherein the thickness of the semiconductor layer in the vicinity of the anode lead-connection point on the sintered body face connected with an anode lead is 5 μm or less, and also relates to an electronic circuit and electronic device using the capacitor. | 01-29-2009 |
20090034162 | CAPACITOR ELEMENT AND METHOD OF MANUFACTURING CAPACITOR ELEMENT - There are provided a porous plate dielectric substance, pillar-shaped electrodes respectively formed in pores belonging to a first group and pores belonging to a second group alternately arranged on the dielectric substance, insulator layers made of an organic insulator formed on tips of pillar-shaped electrodes in the pores of the first and second groups so as to fill the pores and hide electrodes respectively provided on one principal surface and another principal surface of the dielectric substance and connected to base ends of the pillar-shaped electrodes. | 02-05-2009 |
20090046414 | METHOD FOR FABRICATING A CAPACITOR AND A CAPACITOR - The method comprises fabricating a layer stack on a substrate, the layer stack comprising at least two electrically conducting layers and at least one electrically insulating layer arranged between the two electrically conducting layers, and displacing a first portion of the layer stack away from its original position, the first portion comprising an edge portion of the layer stack, and bending the first portion back towards a second portion of the layer stack. The bending may comprise a rolling-up of the first portion of the layer stack. | 02-19-2009 |
20090052118 | SOLID-ELECTROLYTE CAPACITOR MANUFACTURING DEVICE AND MANUFACTURING METHOD - The invention provides an apparatus for producing solid electrolytic capacitors having uniform properties with excellent ESR value efficiently at low costs and a production process using the apparatus. The production process using the apparatus is characterized in that a plurality of conductors for producing solid electrolytic capacitors are fixed to a jig for producing capacitors, the jig is transferred to above treatment baths to immerse the conductors in treatment solution in each of the baths sequentially and electric currents are passed to the conductors therein to thereby form a dielectric layer and a semiconductor layer sequentially on the conductors and that on the jig for producing capacitors, a plurality of sockets are provided for inserting and fixing ends of wires leading out of the conductors by using a robotics device. | 02-26-2009 |
20090052119 | SOLID ELECTROLYTIC CAPACITOR - Provided is a solid electrolytic capacitor with low ESR (equivalent series resistance) and excellent reliability during high-temperature storage. The solid electrolytic capacitor includes an anode formed of a valve metal, a dielectric film provided on the anode, a conducting polymer layer provided on the dielectric layer, and a cathode extraction layer provided on the conducting polymer layer. The conducting polymer layer contains a metal-based conductive filler in at least one of a flake form and a fiber form. | 02-26-2009 |
20090059476 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - Solid electrolytic capacitors and methods for manufacturing the solid electrolytic capacitor are provided. The solid electrolytic capacitor has excellent reliability by virtue of stress reduction inside an electrolyte layer, which alleviates decrease in capacitance, increase of ESR and leakage current, and suppression of short circuits. The anode of the solid electrolytic capacitor is formed of a valve metal or an alloy thereof as a porous body. Subsequently, a dielectric layer is formed on a surface inside the porous body of the anode, and the electrolyte layer is formed on a surface of the dielectric layer. Here, the electrolyte layer is formed of a conductive polymer and the electrolyte layer inside the porous body of the anode contains an elastomer. Thereafter, a cathode is formed so as to come in contact with the electrolyte layer. | 03-05-2009 |
20090067119 | Separator for electrochemical device and method for producing the same, and electrochemical device and method for producing the same - An electrochemical device having excellent safety at a high temperature is provided by using a separator for an electrochemical device, which is made of a porous film including a first separator layer and a second separator layer. The first separator layer includes, as a main ingredient, at least one kind of resin selected from the group consisting of resin A that has a melting point in a range of 80° C. to 130° C., and resin B that absorbs a nonaqueous electrolyte and swells due to heating and whose swelling degree is increased as the temperature rises, the second separator layer includes, as a main ingredient, a filler that has a heat-resistant temperature of not lower than 150° C., and at least one of the first separator layer and the second separator layer includes flakes. | 03-12-2009 |
20090073638 | CHIP TYPE SOLID ELECTROLYTIC CAPACITOR - A chip type solid electrolytic capacitor includes a capacitor element-laminate. In the capacitor element-laminate, a plurality of capacitor elements, each having an anode portion and a cathode portion, are laminated so that the anode portions of the adjacent capacitor elements are disposed in the direction opposite to each other. Anode lead terminals are joined to the bottom faces of the anode portions of the capacitor elements disposed at both ends of the capacitor element-laminate. A cathode lead terminal is joined to the bottom face of the cathode portion of the capacitor element disposed in the center of the capacitor element-laminate. An Electrically insulating exterior resin coats the capacitor element-laminate so as to expose at least a part of the bottom faces of the anode lead terminals and a part of the cathode lead terminal. | 03-19-2009 |
20090073639 | SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTORLYTIC CAPACITOR - A solid electrolytic capacitor element includes an anode foil, a solid electrolytic layer, a cathode foil, and a connection portion. The anode foil is composed of valve metal and has at least one through hole passing therethrough in thickness direction thereof. The solid electrolytic layer is made of conductive polymer and is provided on a surface of the anode foil. The cathode foil is provided on a surface of the solid electrolytic layer. The connection portion is provided in the through hole and electrically connects a first solid electrolytic layer and a second solid electrolytic layer, the first solid electrolytic layer being a region of the solid electrolytic layer on one face of the anode foil, the second solid electrolytic layer being another region of the solid electrolytic layer on the other face of the anode foil. | 03-19-2009 |
20090080143 | SOLID ELECTROLYTE CAPACITOR - A solid electrolyte capacitor that prevents the capacitance from decreasing. The solid electrolyte capacitor includes an anode, a cathode, and a dielectric layer, which is arranged between the anode and the cathode in contact with the cathode. The dielectric layer includes a plurality of recesses arranged at an interface between the dielectric layer and the cathode. | 03-26-2009 |
20090086412 | METHOD FOR PRODUCING SOLID ELECTROLYTIC CAPACITOR - The invention relates to a method for producing a solid electrolytic capacitor with excellent LC value, comprising sequentially stacking a dielectric oxide film, a semiconductor layer and an electrode layer on a sintered body of conductive powder to which an anode lead is connected and then encapsulating the whole with an outer jacket resin, wherein surface area of a cathode plate used in forming the semiconductor layer on the dielectric oxide film by applying current between the conductor having the dielectric oxide film thereon used as anode and the cathode plate provided in electrolysis solution is made larger by 10 times or more than its apparent surface area to thereby efficiently form the semiconductor layer, a capacitor produced by the method, and electronic circuits and electronic devices using the capacitor. | 04-02-2009 |
20090086413 | SOLID ELECTROLYTIC CAPACITOR AND ITS PRODUCTION METHOD - Provided is a solid electrolytic capacitor comprising an anode of a porous body formed of a valve metal or its alloy, a dielectric layer formed on the surface in the inside part of the porous body and on the surface in the outer peripheral part thereof, a conductive polymer layer formed on the dielectric layer, a cathode layer formed on the conductive polymer layer in the outer peripheral part of the porous body, and an anode lead of which one end is embedded inside the anode, wherein the conductive polymer layer in the first region which is in the inside part of the porous body and the periphery around the anode lead as the center is formed of a polypyrrole layer, and the conductive polymer layer in the second region which is the periphery around the first region is formed by laminating a polypyrrole layer on a polyethylenedioxythiophene layer. | 04-02-2009 |
20090103243 | MULTITERMINAL SOLID ELECTROLYTIC CAPACITOR - A multiterminal solid electrolytic capacitor includes a capacitor element including a porous sintered body which includes a plurality of anode leads projecting from a surface of the porous sintered body and which is made from a valve metal powder, a dielectric oxide coating disposed on the porous sintered body, and a cathode including a solid electrolyte layer disposed on the dielectric oxide coating. The multiterminal solid electrolytic capacitor further includes a substrate which carries the capacitor element, which includes a plurality of anode-mounting terminals and a cathode-mounting terminal, and which is covered with resin. The anode leads are portions of a valve metal pattern which extends in the porous sintered body and which bends at a plurality of locations so as to have a desired path length. | 04-23-2009 |
20090128995 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF FABRICATING THE SAME - A solid electrolytic capacitor comprising an anode body, a dielectric layer placed on the surface of the anode body, a conductive polymer layer placed on the surface of the dielectric layer, and a housing accommodating at least the anode body, the dielectric layer and the conductive polymer layer, wherein a water-retaining layer having higher water absorption than that of the housing is placed between the conductive polymer layer and the housing. | 05-21-2009 |
20090128996 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor that prevents leakage current from increasing. The solid electrolytic capacitor includes an anode, a cathode, and a dielectric layer arranged between the anode and the cathode in contact with the cathode. The dielectric layer includes a plurality of recesses arranged in the surface of the dielectric layer, each recess having an opening in an interface with the cathode. Each of the recesses has a depth that is 0.1 to 1.5 times the diameter of the opening. | 05-21-2009 |
20090135550 | SOLID ELECTROLYTIC CAPACITOR - An aspect of the present invention provides a solid electrolytic capacitor that comprises: an anode mainly formed of a valve metal or an alloy thereof; an anode lead terminal a part of which is buried in a side surface of the anode; a dielectric layer formed on surfaces of the anode and mainly formed of an oxide; a conducting polymer layer formed on the dielectric layer; a cathode layer formed on the conducting polymer layer on an outer circumferential surface of the anode, the cathode layer comprising: a carbon layer; and a silver paste layer formed on the carbon layer; a thermal expansion layer provided on the side surface of the anode and on a part of the outer circumferential surface continuing from the side surface; and a rein outer package provided to cover the anode, dielectric layer, cathode layer, and thermal expansion layer, wherein a thermal expansion coefficient in a temperature range lower than a glass transition temperature of the thermal expansion layer is larger than that of each of the silver paste layer and the resin outer package. | 05-28-2009 |
20090147445 | Micropowder of nb compound and process for production thereof - The powder of an Nb compound has a composition represented by NbxOy, NbxNz or NbxOyNz. The powder of the Nb compound has an electric conductivity which is not less than 1/10 of that of Nb. A porous sintered body used for manufacturing a solid electrolytic capacitor is formed using the powder of the Nb compound. The solid electrolytic capacitor achieves both of a reduction in size and an increase in capacitance. | 06-11-2009 |
20090154065 | Solid electrolytic capacitor and method of manufacturing the same - Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire of which one end is inserted into the capacitor element and the other end projects outward from the capacitor element; a cathode extraction layer formed on the capacitor element; a plurality of conductive bumps formed on the cathode extraction layer; a molding portion formed to surround the capacitor element and exposing the projecting end of the anode wire and ends of the conductive bumps; an anode lead terminal provided on the molding portion so as to be electrically connected to the exposed end of the anode wire; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the exposed ends of the conductive bumps. | 06-18-2009 |
20090154066 | Solid electrolytic capacitor and method of manufacturing the same - Provided is a solid electrolytic capacitor including a capacitor element with a positive polarity; an anode wire inserted and connected to a lower portion of the capacitor element; a cathode extraction layer formed on the capacitor element; an anode lead frame provided on one side of the lower surface of the capacitor element so as to be electrically insulated from the cathode extraction layer, the anode lead frame having an insertion portion into which a projecting lower portion of the anode wire is inserted; a cathode lead frame provided on the other side of the lower surface of the capacitor element so as to be electrically connected to the cathode extraction layer; a molding portion formed to surround the capacitor element and exposing the lower end surface of the anode wire, the lower surface of the anode lead frame, and the lower surface of the cathode lead frame; an anode lead terminal provided on the molding portion so as to be electrically connected to the lower end surface of the anode wire and the lower surface of the anode lead frame; and a cathode lead terminal provided on the molding portion so as to be electrically connected to the lower surface of the cathode lead frame. | 06-18-2009 |
20090154067 | CHIP-TYPE FILTER - A chip-type filter has a laminated body formed by stacking a plurality of capacitor elements, a pair of positive electrode terminals, a pair of negative electrode terminals, insulating outer resin, and an inductor section. The laminated body includes capacitor elements in a first group and capacitor elements in a second group, the positive electrode sections in both groups are disposed on the opposite sides with respect to the negative electrode sections. Positive electrode terminals are electrically connected to the positive electrode sections of capacitor elements in the first group and those of capacitor elements in the second group, respectively. Negative electrode terminals are electrically connected to the negative electrode sections in the laminated body, and are disposed at both ends of the direction crossing the connecting direction between the positive electrode terminals. The inductor section is insulated from the negative electrode sections and couples the positive electrode terminals. | 06-18-2009 |
20090161297 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - Solid electrolytic capacitors are provided with decreased equivalent series resistance (ESR). The solid electrolytic capacitors include: an anode containing a valve metal or an alloy that is mainly made of a valve metal; a dielectric layer formed on a surface of the anode; an electrolyte layer formed on the dielectric layer; a carbon layer formed on the electrolyte layer; and a silver paste layer formed on the carbon layer, wherein the silver paste layer contains a nonionic surfactant. | 06-25-2009 |
20090168303 | CAPACITOR DEVICE WITH THIN INTERPOSER - A capacitor device comprises a capacitor element and an interposer. The capacitor element has a connection surface and comprises an anode electrode and a cathode electrode. The anode electrode and the cathode electrode are formed, at least in part, on the connection surface. The interposer comprises an insulator substrate, a plurality of first anode terminals, a plurality of first cathode terminals, a second anode terminal, a second cathode terminal, an anode through-hole and a cathode through-hole. The insulator substrate has first and second surfaces and has no inner conductive layer. The first anode terminals and the first cathode terminals are formed on the first surface. The first anode terminals are more in number than the anode electrode of the capacitor element. The first cathode terminals are more in number than the cathode electrode of the capacitor element The second anode terminal and the second cathode terminal are formed on the second surface. The second anode terminal is connected to the anode electrode. The second cathode terminal is connected to the cathode electrode. The anode through-hole and the cathode through-hole are formed in the insulator substrate. The anode through-hole connects between the first anode terminals and the second anode terminal. The cathode through-hole connects between the first cathode terminals and the second cathode terminal. | 07-02-2009 |
20090195966 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes an anode body made of valve metal, a dielectric oxide layer provided on the anode body, and a conductive layer provided on the carbon layer. The carbon layer contains carbon and aromatic compound having sulfonic acid radical. This solid electrolytic capacitor has a small equivalent series resistance. | 08-06-2009 |
20090213530 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF FABRICATING THE SAME - A solid electrolytic capacitor comprising an anode body, a dielectric layer placed on the surface of the anode body, a conductive polymer layer placed on the surface of the dielectric layer, and a housing accommodating at least the anode body, the dielectric layer and the conductive polymer layer, wherein a water-retaining layer having higher water absorption than that of the housing is placed between the conductive polymer layer and the housing. | 08-27-2009 |
20090290289 | SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREOF - The present invention relates to a solid electrolytic capacitor and a manufacturing method thereof capable of reducing the ESR(Equivalent Series Resistance) and the ESL(Equivalent Series Inductance). | 11-26-2009 |
20090303663 | Cellular honeycomb hybrid capacitors with non-uniform cell geometry - An hybrid capacitor includes an electrically non-conductive rigid or semi-rigid porous honeycomb structure having cells extending along a common direction, the cells having a plurality of cross-sectional shapes. The honeycomb structure is desirably formed of a material that is stable at temperatures of 3000 or more, such that high temperature processing can be used to help ensure high purity of the final product. The material of the structure may desirably be an oxide or non-oxide ceramic, such as cordierite, silicon nitride, alumina, aluminum titanate, zircon, glass, or glass-ceramic. The plurality of shapes of the cells includes larger shapes in which cells are disposed non-galvanic electrodes, with galvanic electrodes disposed in cells of other shapes. | 12-10-2009 |
20090303664 | ELECTROLYTIC CAPACITOR - An electrolytic capacitor employs a capacitor element wherein an anode foil having an anode internal terminal and a cathode foil having a cathode internal terminal are wound or laminated through a separator. The end of the anode foil faces the cathode foil through the separator and the surface area of the cathode internal terminal is provided with an enlargement treatment, whereby the small area portion of the cathode foil that faces with the anode foil is eliminated, improving the charge/discharge characteristics. Furthermore, in the electrolytic capacitor provided with the capacitor element wherein the anode foil having the anode internal terminal and the cathode foil having the cathode internal terminal are wound or laminated through the separator, the capacitor element being impregnated with an electrolyte, the cathode internal terminal includes an aluminum material, the surface of the cathode internal terminal is etched and iron concentration in the etching layer <300 ppm. | 12-10-2009 |
20090310283 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PREPARING THE SAME - The present invention relates to a solid electrolytic capacitor and a method for preparing the same. | 12-17-2009 |
20090310284 | Radial lead aluminum electrolytic capacitor - A radial lead aluminum electrolytic capacitor comprises a wound unit, a case provided with an opening and containing the wound unit impregnated by electrolyte and a seal for sealing up the opening of the case. The wound unit comprises: a cathode foil which is a cathode formed foil; an anode foil; a first separator; a second separator; a first lead wire stitched to the cathode foil; and a second lead wire stitched to the anode foil; and is formed by winding a lamination made by these elements. Gasket formed foil(s) may be arranged at the stitching places of the first lead wire and the second lead wire or only at a stitching place of the first lead wire. The radial lead aluminum electrolytic capacitor is resistant to inverse voltage and higher temperature, and sequentially resistant to high ripple current and has more times of charging/discharging. | 12-17-2009 |
20090310285 | PROCESS FOR PREPARING POLYTHIOPHENES - The invention relates to a process for preparing polythiophene dispersions or for in situ deposition of polythiophenes. The dispersion is prepared by oxidative polymerizing of a thiophene or thiophene derivative, wherein an oxidizing agent is used and is at least one organic peroxidic compound excluding diacyl peroxide. The invention also relates to the use of specific organic peroxides as oxidizing agents in the oxidative polymerization of thiophenes. The invention further relates to a process to process a conductive layer and the use of the conductive layer. | 12-17-2009 |
20100014217 | ELECTRONIC COMPONENT AND METHOD OF MANUFACTURING THE SAME - An electronic component includes a functional element, first and second collectors joined to the functional element, and an outer package integrally covering the functional element and the first and second collectors. The functional element has first and second end surfaces having circular shapes and a side surface having a cylindrical shape extending along a center axis. The element includes first and second electrode foils rolled about the center axis and exposed from the first and second surfaces, respectively. The outer package has first and second surfaces parallel to the first and second end surfaces of the functional element, and has first to fourth corners as seen from a direction of the center axis. The first corner is adjacent to the second corner. The first and second terminals are arranged at the first and second corners of the outer package, respectively. This electronic component can have a small size and a small height while reducing its equivalent series resistance. | 01-21-2010 |
20100020473 | SUBSTRATE WITH EMBEDDED PATTERNED CAPACITANCE - A process for forming a laminate with capacitance and the laminate formed thereby. The process includes the steps of providing a substrate and laminating a conductive foil on the substrate wherein the foil has a dielectric. A conductive layer is formed on the dielectric. The conductive foil is treated to electrically isolate a region of conductive foil containing the conductive layer from additional conductive foil. A cathodic conductive couple is made between the conductive layer and a cathode trace and an anodic conductive couple is made between the conductive foil and an anode trace. | 01-28-2010 |
20100027194 | SOLID ELECTROLYTIC CAPACITOR - An aspect of the invention provides a solid electrolytic capacitor that comprises: a capacitor element comprising: an anode; a dielectric layer formed above the anode; an electrolyte layer formed above the dielectric layer; and a cathode layer formed above the electrolyte layer; an anode lead frame electrically connected to the anode; a cathode lead frame electrically connected to the capacitor element; and a conducting adhesive layer, containing thermally expandable graphite. Electric current flows through the capacitor element to the conducting adhesive layer. | 02-04-2010 |
20100033904 | COMPOSITE ELECTRIC ELEMENT - [Problems] To provide an electric element which generates less heat even when its components are miniaturized and it carries a large amount of current, decreases the impedance by decreasing the inductance and is effective over high frequencies. | 02-11-2010 |
20100039751 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - The invention relates to a substrate for solid electrolytic capacitor and a method for producing solid electrolytic capacitors using the substrate. By reducing at least part of the porous layer on the surface between the anode part region and the cathode part region of the substrate and preferably filling the dent generated by the reduction with a masking material, a structure ensuring insulation between the anode and the cathode can be obtained and solid electrolytic capacitors excellent in leakage current property and reliability can be obtained. | 02-18-2010 |
20100046145 | Metal capacitor and manufacturing method thereof - A metal capacitor in which an electric conductivity is significantly improved by applying a metal material for an electrolyte and a manufacturing method thereof is provided. The capacitor includes: a terminal increase-type metal member comprising a groove forming portion; a metal oxide layer being formed on the terminal increase-type metal member; an insulating layer being formed on the terminal increase-type metal member; a plurality of main electrode layers being formed in a groove forming portion; a plurality of conductive connecting layers being formed on the plurality of main electrode layers and the insulating layer; a first lead terminal being selectively connected to the first and the second electrode withdrawing portions of the terminal increase-type metal member; a second lead terminal being connected to the main electrode layer of the terminal increase-type metal member; and a sealing member sealing the terminal increase-type metal member connected to the first and the second lead terminals to externally expose the first and the second lead terminals. | 02-25-2010 |
20100053848 | NIOBIUM SOLID ELECTROLYTIC CAPACITOR - A niobium solid electrolytic capacitor comprises: an anode mainly made of niobium and containing nitrogen and at least one kind of alloying element whose hardness is higher than that of niobium; a dielectric layer provided on a surface of the anode and containing nitrogen; an electrolyte layer provided on the dielectric layer and formed of a conductive polymer; and a cathode layer provided on the electrolyte layer. The electrolyte layer has a three-layered structure formed of a first electrolyte layer, a second electrolyte layer, and a third electrolyte layer, which are arranged in this order between the dielectric layer to the cathode layer. The second electrolyte layer and the third electrolyte layer contain alkyl substituted aromatic sulfonate. Conductivities of the respective electrolyte layers increase in order of the first electrolyte layer, the second electrolyte layer, and the third electrolyte layer. | 03-04-2010 |
20100061037 | Solid Electrolytic Capacitor for Embedding Into a Circuit Board - An electrolytic capacitor that is configured to be embedded into a circuit board is provided. The electrolytic capacitor contains a capacitor element, anode and cathode terminations, and a case that encapsulates the capacitor element and leaves at least a portion of the anode and cathode terminations exposed that extend outwardly from opposite ends of the case. Each of the terminations possesses an upper surface that faces toward the capacitor element and a lower surface that faces away from the capacitor element. In contrast to conventional surface-mounted electrolytic capacitors, the upper surfaces of these exposed anode and cathode termination portions are mounted to the circuit board. In this manner, the capacitor may essentially be mounted “upside down” so that some or all of its thickness becomes embedded within the board itself, thereby minimizing the height profile of the capacitor on the board. | 03-11-2010 |
20100079928 | SOLID ELECTROLYTIC CAPACITOR AND FABRICATION METHOD THEREOF - A solid electrolytic capacitor comprising an anode composed of a valve metal or its alloy, a dielectric layer formed on a surface of the anode, a coupling agent layer formed by subjecting the dielectric layer to a surface treatment with a coupling agent having a phosphonic acid group, a conductive polymer layer formed on the coupling agent layer, and a cathode layer formed on the conductive polymer layer. | 04-01-2010 |
20100085685 | Capacitor Anode Formed From a Powder Containing Coarse Agglomerates and Fine Agglomerates - A pressed anode formed from an electrically conductive powder that contains a plurality of coarse agglomerates and fine agglomerates is provided. The fine agglomerates have an average size smaller than that of the coarse agglomerates so that the resulting powder contains two or more distinct particle sizes, i.e., a “bimodal” distribution. In this manner, the fine agglomerates can effectively occupy the pores defined between adjacent coarse agglomerates (“inter-agglomerate pores”). Through the occupation of the empty pores, the fine agglomerates can increase the apparent density of the resulting powder, which improves volumetric efficiency. | 04-08-2010 |
20100172067 | METHOD AND APPARATUS FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - The present invention relates to a method to produce a solid electrolytic capacitor by forming a dielectric layer on an anode body comprising a valve-acting metal sintered body having fine pores and forming on the dielectric layer a conductive compound layer to form a cathode, wherein a cathode is formed by repeating the step of dipping the anode body into an inorganic compound solution, an organic compound solution or a conductive-polymer compound dispersion liquid which turns into a conductive compound layer to thereby laminate a conductive layer on the anode body, and the depth of the anode body to be dipped is increased with each dipping; and an apparatus to be used for the method. According to the present invention, a satisfactory cathode layer can be efficiently formed and a solid electrolytic capacitor having a large capacitance and a low equivalent series resistance can be produced. | 07-08-2010 |
20100232090 | CONDUCTIVE POLYMER FILM, ELECTRONIC DEVICE, AND METHODS OF PRODUCING THE FILM AND THE DEVICE - To provide a conductive polymer film and to improve the conductivity of the conductive polymer film used in an electronic device such as a solid electrolytic capacitor, the conductive polymer film is a conductive polymer film formed by using a polymerization liquid containing a monomer for a conductive polymer, an oxidant, and an additive. A salt formed of a dopant and a basic substance is used as the additive. | 09-16-2010 |
20100271756 | SOLID ELECTROLYTIC CAPACITOR, AND METHOD FOR MANUFACTURING THE SAME - Object The invention provides a method for manufacturing a solid electrolytic capacitor, capable of joining a bolster member interposed between an anode lead and an anode lead frame to the anode lead frame with good adhesion property and high positional accuracy. | 10-28-2010 |
20100284128 | SOLID ELECTROLYTIC CAPACITOR ELEMENT AND SOLID ELECTROLYTIC CAPACITOR USING SAME - The invention provides a solid electrolytic capacitor element, comprising a metal oxide layer, an electroconductive polymer layer, a carbon paste layer and a silver paste layer sequentially formed on surface of a valve-acting metal material, wherein thickness of the silver paste layer is within a range of 5 to 20 μm and the mass ratio of silver contained in the silver paste layer is within a range of 84 to 94%. According to the invention, a solid electrolytic capacitor having good electric properties such as ESR (equivalent series resistance) and LC (leakage current) and good reliability can be produced. | 11-11-2010 |
20100296227 | SOLID ELECTROLYTIC CAPACITORS WITH IMPROVED RELIABIILTY - A capacitor with an anode, a dielectric on the anode and a cathode on the dielectric. A transition layer is on the cathode wherein the transition layer has a blocking layer. A plated layer is on the transition layer. The cathode is electrically connected to a cathode termination through the transition layer. | 11-25-2010 |
20100302710 | Anode for an Electrolytic Capacitor that Contains Individual Components Connected by a Refractory Metal Paste - A solid electrolytic capacitor containing a capacitor element that includes an anode, dielectric layer, and solid electrolyte is provided. The anode is formed from a plurality (e.g., two or more) of separate components, which allows the properties of each component (e.g., density, quality, etc.) to be more readily controlled during manufacturing. The components are electrically connected using a refractory metal paste (e.g., tantalum paste) that sinter bonds to the components to form a strong and reliable connection. The ability to reliably bond together separate components enables the use of a wide degree of possible cross-sectional profiles for each individual component. For example, the components may posses a relatively complex profile that contains one or more indentations and/or projections for increasing surface area. Despite the complex profile, the components may be readily connected to each other in accordance with the present invention to form the anode. | 12-02-2010 |
20110002087 | Stacked capacitor with positive multi-pin structure - A stacked capacitor with positive multi-pin structure includes a plurality of capacitor units, a substrate unit and a package unit. Each capacitor unit has a positive electrode that has a positive pin extended outwards therefrom. The positive pins of the capacitor units are divided into a plurality of positive pin units that are separated from each other, and the positive pins of each positive pin unit are electrically stacked onto each other. Each capacitor unit has a negative electrode, and the negative electrodes of the capacitor units are electrically stacked onto each other. The substrate unit has a positive guiding substrate electrically connected to the positive pins of the capacitor units and a negative guiding substrate electrically connected to the negative electrodes of the capacitor units. The package unit covers the capacitor units and one part of the substrate unit. | 01-06-2011 |
20110019339 | METHOD FOR THE PRODUCTION OF ELECTROLYTE CAPACITORS WITH POLYMER INTERMEDIATE LAYER - The invention relates to a method for producing electrolytic capacitors with low equivalent series resistance and low residual current, consisting of a solid electrolyte and an intermediate layer and an outer layer comprising conductive polymers, to electrolytic capacitors produced using this method and also to the use of electrolytic capacitors of this type. | 01-27-2011 |
20110026190 | SOLID ELECTROLYTIC CAPACITOR, METHOD FOR MANUFACTURING SAME, AND BASE FOR SOLID ELECTROLYTIC CAPACITOR - A solid electrolyte capacitor comprising a solid electrolyte capacitor substrate having a porous surface layer or layers on the surface or surfaces of the substrate, which substrate has a masking layer in the boundary region between an anode region of the substrate and a cathode region of the substrate, wherein said masking layer has been formed from a solution or dispersion of a heat-resistant resin or a precursor thereof; and said masking layer contains 0% to 0.1% by mass, based on the mass of the heat-resistant resin or the precursor, of an additive for modifying the masking layer, which additive is other than a silane coupling agent. The masking layer exhibits a high insulation and the solid electrolyte capacitor has enhanced reliability. | 02-03-2011 |
20110026191 | SOLID ELECTROLYTIC CAPACITORS WITH IMPROVED ESR STABILITY - An improved capacitor, and method for making the capacitor, is described. The capacitor has an anode and a dielectric on the anode. A cathode layer is on the dielectric wherein the cathode layer comprises at least one conductive layer and an insulative adhesion enhancing layer. | 02-03-2011 |
20110038102 | SOLID ELECTROLYTIC CONDENSER AND METHOD FOR PREPARING THE SAME - Disclosed is a solid electrolytic condenser and method for manufacturing the same. The solid electrolytic condenser includes: a condenser element whose inner has an anode polarity; an anode wire whose one end portion is inserted into the condenser element; a cathode drawing layer formed at one side of an external surface of the condenser element; terminal reinforcements coupled to the both-side portions of a bottom surface of the condenser element; a liquid epoxy resin (EMC) filled between the terminal reinforcements to seal the bottom surface of the condenser element; a molding part for surrounding an outer circumferential surface of the condenser element, the modeling part formed in such a manner that a protruded end portion of the anode wire, an end portion of the cathode drawing layer, and the bottom surface of the terminal reinforcement can be exposed; and anode and cathode terminals formed by a plating layer provided on the bottom surface of the terminal reinforcements and the both-side portion of the molding part. Accordingly, it is possible to reduce manufacturing costs, and to improve mechanical reliability on a portion where terminals are formed through buffering operation of terminal reinforcements. | 02-17-2011 |
20110043967 | Super capacitor and method of fabricating the same - There is provided a super capacitor and a method of fabricating the same. The method includes providing a substrate in which a plurality of nanoholes are formed, forming a first electrode layer on one face of the substrate, filling the nanoholes with a conductive material to form conductive nanowires, removing the substrate such that the conductive nanowires are placed on the first electrode layer, forming a solid electrolyte layer on the first electrode layer on which the conductive nanowires are formed, and forming a second electrode layer on the solid electrolyte layer, the second electrode layer being separated from the first electrode layer. | 02-24-2011 |
20110051318 | SOLID ELECTROLYTIC CAPACITOR - The solid electrolytic capacitor includes a solid electrolyte type capacitor element including a dielectric layer intervening between an anode section and a cathode section, and an insulating substrate. The insulating substrate includes a first surface on which the capacitor element is mounted and a second surface opposite to the first surface. The first surface is provided thereon with a first anode layer to which the anode section is electrically connected and a first cathode layer to which the cathode section is electrically connected. The second surface is provided thereon with a second anode layer electrically connected to the first anode layer and a second cathode layer electrically connected to the first cathode layer. Here, a pad member with electrical insulation property projects on the first surface of the insulating substrate, and the first anode layer is formed on a tip end surface of the pad member. | 03-03-2011 |
20110051319 | CONDUCTING POLYMER MEMBRANE, METHOD OF MANUFACTURING CONDUCTING POLYMER MEMBRANE, AND ELECTRONIC DEVICE - An oxidizer liquid containing an oxidizer, a surfactant substance, and an additive comprising a dopant anion and a cation derived from a basic substance is applied onto a base member. Then, this is exposed to a vapor of a precursor monomer of a conducting polymer. After that, the monomer of the conducting polymer is chemically polymerized on the base member. | 03-03-2011 |
20110069427 | METHOD FOR PRODUCING SOLID ELECTROLYTIC CAPACITOR - A method for producing a solid electrolytic capacitor, which comprises the steps of: | 03-24-2011 |
20110085285 | Hermetically Sealed Capacitor Assembly - A capacitor assembly that includes an electrolytic capacitor that contains an anode body, dielectric overlying the anode, and a solid electrolyte overlying the dielectric is provided. An anode lead is also electrically connected to the anode body and extends in a longitudinal direction therefrom. The anode lead is connected to an “upstanding” portion of a leadframe. Among other things, this helps to limit substantial horizontal movement of the lead and thereby improve the mechanical robustness of the part. The capacitor and leadframe are enclosed and hermetically sealed within a ceramic housing in the presence of an inert gas. It is believed that the ceramic housing is capable of limiting the amount of oxygen and moisture supplied to the conductive polymer of the capacitor. In this manner, the solid electrolyte (e.g., conductive polymer) is less likely to undergo a reaction in high temperature environments, thus increasing the thermal stability of the capacitor assembly. | 04-14-2011 |
20110090621 | SOLID ELECTROLYTIC CAPACITORS WITH IMPROVED RELIABILITY - A capacitor with an anode, a dielectric on the anode and a cathode on the dielectric. A blocking layer is on the cathode. A metal filled layer is on said blocking layer and a plated layer is on the metal filled layer. | 04-21-2011 |
20110122544 | STACKED SOLID ELECTROLYTIC CAPACITOR AND A METHOD FOR MANUFACTURING THE SAME - A stacked solid electrolytic capacitor and a method for manufacturing the same are disclosed. The stacked solid electrolytic capacitor includes two capacitor sets, a positive electrode conducting device, a negative electrode conducting device, and a package unit. Each capacitor set includes at least one capacitor unit. The front side of the positive electrode portion of the capacitor set extends to form a positive electrode pin. The positive electrode conducting device has at least one first positive electrode conducting lead frame and at least one second positive electrode conducting lead frame. The first positive electrode conducting lead frame is electrically connected with the second positive electrode conducting lead frame. The negative electrode conducting device has at least one negative electrode conducting lead frame, and is electrically connected with the negative electrode of the two capacitor sets by using metal conductive material. | 05-26-2011 |
20110122545 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THEREOF - A solid electrolytic capacitor having a high heat resistance is provided. The solid electrolytic capacitor according to the present invention includes an anode body having a surface on which a dielectric film is formed, and a conductive polymer layer formed on the dielectric film. The conductive polymer layer includes an aromatic sulfonic acid ion and an NHPA compound ion. | 05-26-2011 |
20110128675 | METHOD FOR PRODUCING SOLID ELECTROLYTE CAPACITORS - The invention relates to a process for producing electrolyte capacitors with high capacitances and low equivalent series resistance, to electrolyte capacitors produced by this process and to the use of such electrolyte capacitors. | 06-02-2011 |
20110164348 | Method For Production Of Electrolyte Capacitors - The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors. | 07-07-2011 |
20110222209 | CAPACITOR ELECTRODE BODY, CAPACITOR, CAPACITOR ELECTRODE BODY PRODUCING METHOD, AND CAPACITOR PRODUCING METHOD - A capacitor electrode body producing method includes forming a porous layer on a surface of a positive electrode base material by spraying a metallic particle made of tantalum (Ta) and an organic particle onto the positive electrode base material made of a tantalum foil, thereby forming a porous positive electrode body including the positive electrode base material and the porous layer. | 09-15-2011 |
20110273816 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes a capacitor element, a conductive member, an electrical insulating member, and a tubular member. The element has an element body with a cathode layer, and an anode lead. The conductive member is placed to face a first end surface of the body through which the lead is pulled out. The electrical insulating member is placed between the conductive member and the body. The lead passes through a through hole defined in the electrical insulating member. A tip end portion of the lead is inserted into a through hole or a closed end hole defined in the conductive member to be electrically connected to the conductive member. Insertion of the body into the tubular member causes the tubular member to cover at least part of a side surface of the body, while making electrical connection between the tubular member and the cathode layer. | 11-10-2011 |
20110304954 | SOLID ELECTROLYTIC CAPACITOR AND POWER CIRCUIT - A solid electrolytic capacitor includes a capacitor element having two opposite cathode surfaces, a cathode terminal metal plate having a first cathode connecting portion electrically connected to one of the two opposite cathode surfaces, and an auxiliary cathode metal plate having a second cathode connecting portion electrically connected to the other one of the two opposite cathode surfaces of the capacitor element. The cathode terminal metal plate includes a groove electrically connected to the first cathode connecting portion. The auxiliary cathode metal plate includes an end portion that is electrically connected to the second cathode connecting portion and engages with the groove. The cathode terminal metal plate further includes an outer terminal portion. | 12-15-2011 |
20120019986 | SOLID ELECTROLYTIC CAPACITOR ASSEMBLY WITH MULTIPLE CATHODE TERMINATIONS - A capacitor assembly containing a solid electrolytic capacitor element and an anode lead extending in a direction therefrom, first and second cathode terminations, and an anode termination is provided. The first cathode termination contains a first portion that is substantially parallel to a lower surface of the capacitor element and in electrical contact therewith, and the second cathode termination contains a second portion that is substantially parallel to an upper surface of the capacitor element and in electrical contact therewith. Through such a “sandwich” configuration, the degree of surface contact between the cathode terminations and capacitor element is increased, which can help dissipate heat and allow it to handle higher currents that would normally cause overheating. The terminations may also provide increased mechanical support. | 01-26-2012 |
20120057275 | PROCESS FOR PRODUCING ELECTROLYTIC CAPACITORS WITH A POLYMERIC OUTER LAYER - The invention relates to a process for producing electrolytic capacitors with low equivalent series resistance, low residual current and high thermal stability, which consist of a solid electrolyte and an outer layer comprising conjugated polymers, to electrolytic capacitors produced by this process and to the use of such electrolytic capacitors. | 03-08-2012 |
20120069493 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING A SOLID ELECTROLYTIC CAPACITOR - Provided is a method for forming a capacitor. The method includes: providing an anode with a dielectric thereon and a conductive node in electrical contact with the anode;
| 03-22-2012 |
20120075772 | PROCESS FOR THE PRODUCTION OF ELECTROLYTE CAPACITORS - The invention relates to a process for the production of electrolyte capacitors having a low equivalent series resistance and low residual current, electrolyte capacitors produced by this process and the use of such electrolyte capacitors. | 03-29-2012 |
20120087062 | SURFACE MOUNT ELECTRONIC COMPONENT AND METHOD FOR MANUFACTURING THE SAME - A surface mount electronic component includes an element, an anode terminal, a cathode terminal, and an outer package body. The element has a configuration including an anode, and a cathode formed on a part of the surface of the anode via a dielectric substance. An anode terminal is electrically connected to the anode, and a cathode terminal is electrically connected to the cathode. The outer package body covers an element laminated body such that a part of the anode terminal and a part of the cathode terminal are exposed. The outer package body is made of a norbornene resin. Thus, an electronic component having high reliability can be achieved. | 04-12-2012 |
20120120553 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - There is provided a solid electrolytic capacitor, including: a condenser element including a positive electrode wire inserted and mounted to be biased from a center of a chip body; a positive electrode terminal including a pattern layer extendedly formed to the positive electrode wire to be bonded to the positive electrode wire; and a negative electrode terminal electrically connected to the condenser element. | 05-17-2012 |
20120120554 | CONDENSER ELEMENT, SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - There is provided a solid electrolytic capacitor, including: a condenser element including a chip body molded by sintering, a positive electrode terminal contact layer formed on one area of the chip body to be exposed to the outside, an insulating layer formed in the entire area or some area other than one area in which the positive electrode terminal contact layer is formed, and a negative electrode layer stacked on the insulating layer; a negative electrode extracting layer stacked to be electrically connected with the negative electrode layer; a negative electrode terminal stacked on the negative electrode extracting layer; a positive electrode terminal stacked on the positive electrode terminal contact layer. | 05-17-2012 |
20120147526 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element, an outer package member covering the capacitor element, an anode terminal, and a cathode terminal. The capacitor element includes an anode body, an anode member buried in the anode body, a dielectric layer formed on part of a surface of the anode body, an electrolyte layer formed on the dielectric layer, and a cathode layer formed on the electrolyte layer. The anode member has a lower end portion exposed at a lower surface of the anode body. The anode terminal is electrically connected to the lower end portion, and has a surface partially exposed at a lower surface of the outer package member. The cathode terminal is electrically connected to the cathode layer at a position below the lower surface of the anode body, and has a surface partially exposed at the lower surface of the outer package member. | 06-14-2012 |
20120147527 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element includes an anode body, an anode member buried in the anode body, a dielectric layer formed on part of a surface of the anode body, an electrolyte layer formed on the dielectric layer, and a cathode layer formed on the electrolyte layer. The anode member extends in a predetermined direction along a lower surface of the anode body, and has a lower end portion exposed at the lower surface of the anode body. The anode terminal is electrically connected to the lower end portion. The cathode terminal is electrically connected to the cathode layer at a position below the lower surface of the anode body. The anode and cathode terminals are spaced apart from each other in a direction substantially perpendicular to a direction in which the anode member extends. | 06-14-2012 |
20120154985 | SOLID ELECTROLYTIC CAPACITOR - There is provided a high performance solid electrolytic capacitor that can be manufactured stably. The present invention provides the solid electrolytic capacitor comprising an anode foil and a cathode foil, and a separator arranged between the anode foil and the cathode foil, wherein the anode foil, the cathode foil, and the separator are wound around, so that the separator is intervened between the anode foil and the cathode foil, the anode foil has a dielectric oxide film layer, the separator comprises a solid electrolyte and a nonwoven fabric holding the solid electrolyte, the nonwoven fabric composing the separator is a laminated nonwoven fabric having at least two layers of the nonwoven fabric layers, and the laminated nonwoven fabric comprises a nonwoven fabric layer (layer I) composed of ultra fine fiber having a fiber diameter of 0.1 to 4 μm, and a nonwoven fabric layer (layer II) composed of a thermoplastic resin fiber having a fiber diameter of 6 to 30 μm. | 06-21-2012 |
20120170173 | ELECTRODE FOIL AND CAPACITOR USING SAME - An electrode foil includes a substrate and a coarse film layer having a void therein and formed on the substrate. The coarse film layer includes at least a first coarse film layer formed on the substrate. The first coarse film layer is composed of arrayed first columnar bodies. Each of the first columnar bodies is composed of metallic microparticles stacked on a surface of the substrate and extending in a curve from the surface of the substrate. | 07-05-2012 |
20120176731 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The capacitor element includes an anode body, and an anode member buried in the anode body. The anode member includes first and second anode components. At least a lower end portion of the first anode component is exposed at a lower surface of the anode body. The second anode component communicates with the first anode component and extends inside the anode body. The second anode component has a width greater than the width of the first anode component at least in a direction along the lower surface of the anode body. The anode terminal is electrically connected to the lower end portion of the first anode component. The cathode terminal is electrically connected to a cathode layer of the capacitor element at a position below the lower surface of the anode body. | 07-12-2012 |
20120200985 | ELECTRODE FOIL AND CAPACITOR USING SAME - Electrode foil includes an aluminum alloy having a composition in a region at least 10 μm deep from a surface of the foil. The composition includes aluminum as a main component and zirconium of at least 0.03 at % and at most 0.5 at %. | 08-09-2012 |
20120218681 | SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREOF - Provided are a solid electrolytic capacitor including an anode, a dielectric layer provided on a surface of the anode, a coupling agent layer provided on the dielectric layer, a conductive polymer layer provided on the coupling agent layer, and a cathode layer provided on the conductive polymer layer, wherein the coupling agent layer contains a first coupling agent having a phosphonic acid group and a second coupling agent which is a silane coupling agent, and a method for manufacturing the solid electrolytic capacitor. | 08-30-2012 |
20120218682 | SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREOF - A solid electrolytic capacitor including an anode, a dielectric layer formed on the anode, a polyvinyl alcohol film formed on the dielectric layer, and a conductive polymer layer formed on the polyvinyl alcohol film, wherein the polyvinyl alcohol film has a cross-linked structure. | 08-30-2012 |
20120275083 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - A solid electrolytic capacitor includes: a porous sintered body; an anode wire extending in a first direction and connected to the porous sintered body such that one end portion of the anode wire in the first direction is exposed; a resin package covering the porous sintered body and the anode wire; and a lead including a terminal exposed from the resin package and a lead side connector connected to the terminal. The anode wire includes a base and a connector placed at one side of the base in the first direction, a sectional area of the connector is smaller than that of the base, and the connector and the lead side connector are welded together. | 11-01-2012 |
20130010402 | SOLID CAPACITOR AND MANUFACTURING METHOD THEREOF - A manufacturing method of solid capacitors includes the following steps. First step is forming a plurality of separated adhesive layer on an insulating substrate. Next step is disposing valve-metal wires on the adhesive layers. Next step is forming a conductive layer on the adhesive layer and the valve-metal wires. Next step is forming a dielectric structure on the exposed surface of the valve-metal wires and the conductive layer. Next step is forming a hydrophobic layer and a conductive unit. Next step is separating the formed structures as individual capacitors. Next step is packaging the formed structures and forming terminals connected to the formed structures. | 01-10-2013 |
20130058010 | METAL CURRENT COLLECTOR, METHOD FOR PREPARING THE SAME, AND ELECTROCHEMICAL CAPACITORS WITH SAME - A metal current collector including a metal substrate having grooves formed along a triple junction line of a surface thereof and a conductive layer formed on the metal substrate, a method for preparing the same, and electrochemical capacitors with same. A metal current collector including a metal substrate having grooves formed along a triple junction line of a surface thereof and a conductive layer formed on the metal substrate has a large surface area and low electrical resistance. This metal current collector can be effectively used in electrochemical capacitors with high capacity and high output characteristics by improving contact characteristics with an active material layer. | 03-07-2013 |
20130114183 | ELECTRODE ACTIVE MATERIAL COMPOSITION, METHOD FOR PREPARING THE SAME, AND ELECTROCHEMICAL CAPACITOR USING THE SAME - Disclosed herein are an electrode active material composition, a method for preparing the same, and an electrochemical capacitor using the same, the electrode active material composition including: an electrode active material; and a conductive material agglomerate having a size of 1/7 to 1/10 times the average particle size of the electrode active material, the conductive material agglomerate containing two or more kinds of conductive materials agglomerated therein, thereby providing electron moving paths through which electrons can move well and increasing packing density of an electrode active material layer, resulting in increasing capacity. | 05-09-2013 |
20130135790 | ELECTROCONDUCTIVE POLYMER COMPOSITION, ELECTROCONDUCTIVE POLYMER MATERIAL, ELECTROCONDUCTIVE SUBSTRATE, ELECTRODE AND SOLID ELECTROLYTIC CAPACITOR - The problem is to provide an electroconductive polymer composition in which, when a layer containing an electroconductive polymer material is formed, the thickness can arbitrarily be controlled and the layer has a high electroconductivity. The electroconductive polymer composition according to the present invention contains an electroconductive polymer, at least one of water and a water-miscible organic solvent, and a polymer having a urea group as a thickener. By the electroconductive polymer composition according to the present invention, when a layer containing an electroconductive polymer material is formed, the thickness can arbitrarily be controlled even if the amount of a thickener added is made small, and the layer containing an electroconductive polymer material having a high electroconductivity can be formed. | 05-30-2013 |
20130222977 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element including a cathode portion and an anode portion, a cathode terminal bonded to the cathode portion, an anode terminal bonded to the anode portion, and an enclosure resin covering the capacitor element. The cathode terminal includes a cathode lower surface portion, a cathode connection portion, and a cathode support portion. The cathode connection portion is connected to an end portion of the cathode lower surface portion on an anode side and bonded to the cathode portion through a conductive adhesive. The cathode support portion is connected to a side portion of the cathode lower surface and brought into contact with a lower surface of the cathode portion on an end portion side of the cathode portion without involving the conductive adhesive therebetween. | 08-29-2013 |
20140036414 | CAPACITOR - A capacitor includes a positive foil, an electrolyte layer, a negative foil, a plurality of positive guide needles and a plurality of negative guide needles. The electrolyte layer has a first surface and a second surface opposite to each other. The first surface overlaps the positive foil, and the second surface overlaps the negative foil. The positive guide needles are disposed at the positive foil. The negative guide needles are disposed at the negative foil. The positive foil, the electrolyte layer and the negative foil are wound to make the capacitor be a cylinder, and the positive guide needles and the negative guide needles protrude from the cylinder, respectively. | 02-06-2014 |
20140043728 | SOLID ELECTROLYTIC CAPACITOR - A silver paste layer constituting a collector layer in a solid electrolytic capacitor includes first silver particles having a peak particle size of 150 nm or less, second silver particles having a peak particle size of 500 nm or more, inorganic particles composed of material different from silver, and resin material. The inorganic particles are included at a volume ratio of 15% or more and 50% or less with respect to the total of the first silver particles and the second silver particles. | 02-13-2014 |
20140049879 | STRUCTURAL ELECTROCHEMICAL CAPACITOR - A structural electrochemical capacitor that includes at least one pair of electrodes and a solid electrolytic material disposed between the electrodes which, taken collectively, have sufficient mechanical strength to allow the electrochemical capacitor to be used as a structural component of an article of manufacture is described. The present invention also describes a method of capacitively storing electrical energy and conserving mass and/or volume in a device that includes the steps of: fabricating portions of the structure of a device with high-strength structural electrochemical capacitor that includes at least one pair of electrodes and a body of solid electrolytic material disposed between said electrodes wherein the body of solid electrolytic material accounts for a majority of the mass of a structural element or a majority of the volume of a structural element in the device. | 02-20-2014 |
20140071589 | WINDING-TYPE SOLID ELECTROLYTIC CAPACITOR PACKAGE STRUCTURE - A winding-type solid electrolytic capacitor package structure includes a capacitor unit, a package unit and a conductive unit. The conductive unit includes a winding-type capacitor having a first conductive pin and a second conductive pin. The package unit includes a package body for enclosing the capacitor unit. The conductive unit includes a first conductive terminal electrically connected to the first conductive pin and a second conductive terminal electrically connected to the second conductive pin. The first conductive terminal has a first embedded portion contacting the first conductive pin and enclosed by the package body and a first exposed portion connected to the first embedded portion and exposed from the package body. The second conductive terminal has a second embedded portion contacting the second conductive pin and enclosed by the package body and a second exposed portion connected to the second embedded portion and exposed from the package body. | 03-13-2014 |
20140078645 | METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - There is provided a method to provide a capacitor element including a porous body of a valve metal, and a dielectric layer of an oxide layer of the valve metal. The method includes a first sequential process, and a second sequential process. The first sequential process includes: immersing the capacitor element in a first liquid of dispersion of a conductive polymer obtained by means of oxidation polymerization of thiophene or its derivative in the presence of a dopant of a polymer anion; taking out the capacitor element from the first liquid; and drying the capacitor element. Subsequent second sequential process includes: immersing the capacitor element in a second liquid which dissolves a cyclic organic compound having at least one hydroxyl group; taking out the capacitor element from the second liquid; and drying the capacitor element. | 03-20-2014 |
20140126113 | ELECTRICALLY CONDUCTIVE PASTE COMPOSITION - An electrically conductive paste composition comprises: (a) silver powders comprising spherical silver powders having a mean particle size (D50) of over 0.1 μm and no more than 5 μm and flake-shaped silver powders having a mean particle size of no more than 10 μm; and (b) binder resins comprise (b-1) aliphatic thermoplastic resin and (b-2) self-polymerizing thermosetting resin; wherein the content of the silver powders is no more than 60 wt % based on the total weight of the paste composition, wherein the weight ratio of the aliphatic thermoplastic resin for the self-polymerizing thermosetting resin ((b-1)/(b-2)) is 99/1-67/33 and wherein the weight ratio of the silver powders for the binder resins ((a)/(b)) is 94/6-85/15. | 05-08-2014 |
20140133067 | COMPLIANT ENERGY STORING STRUCTURAL SHEET - Disclosed herein is a structural sheet includes an energy storage density that is greater than 10-mWh/ft2 and is capable of withstanding greater than 5-KPa stress under at least 5% strain. Further provided is an energy storing structural sheet comprising an electrically conducting current carrying layer that is print formed over a sub assembly that comprises a separator, a foundation, an electrode, and a current bus. | 05-15-2014 |
20140185192 | SOLID ELECTROLYTIC CAPACITOR - Provided is a solid electrolytic capacitor having a low initial ESR in which the ESR increase with time can be suppressed. It is a solid electrolytic capacitor, including an electroconductive polymer layer, a graphite layer on the electroconductive polymer layer, and a silver layer on the graphite layer, wherein the electroconductive polymer layer and the graphite layer, and/or, the graphite layer and the silver layer are bonded by a chemical bond. | 07-03-2014 |
20140268500 | WINDING-TYPE SOLID ELECTROLYTIC CAPACITOR PACKAGE STRUCTURE USING A LEAD FRAME AND METHOD OF MANUFACTURING THE SAME - A winding-type solid electrolytic capacitor package structure includes a winding capacitor unit, a package body and a conductive unit. The winding capacitor has a winding body enclosed by the package body, a positive conductive lead pin having a cutting surface, and a negative conductive lead pin having a grinding surface. The conductive unit includes a positive conductive terminal electrically connected to the positive conductive lead pin and a negative conductive terminal electrically connected to the negative conductive lead pin. The positive conductive terminal has a first embedded portion enclosed by the package body and a first exposed portion exposed outside the package body. The negative conductive terminal has a second embedded portion enclosed by the package body and a second exposed portion exposed outside the package body. The first and the second exposed portions are extended along the outer surface of the package body. | 09-18-2014 |
20140313637 | Magnetic Capacitor - One embodiment of an apparatus to store electrical energy comprises at least: a first multilayer section, a second multilayer section disposed above the first multilayer section; and an electrical battery comprising a first terminal having a positive polarity and a second terminal having a negative polarity, wherein each of the first and second multilayer sections comprises at least a first magnetic layer having a fixed magnetization direction, a second magnetic layer having a reversible magnetization, and an isolative layer disposed between the first and second magnetic layers, the first and second magnetic layers are substantially anti-ferromagnetically coupled to each other through the isolative layer, and wherein the first multilayer section and the section multilayer sections are coupled to the first and second terminals of the electrically battery. Other embodiments are described and shown. | 10-23-2014 |
20140334066 | SOLID ELECTROLYTE CAPACITOR AND A METHOD FOR MANUFACTURING THE SAME - There is provided an electrolyte capacitor, which has a low ESR, and is superior in the heat resistance and reliable under a hot condition. The electrolyte capacitors in constructed by including a conductive polymer and a conductive auxiliary liquid having a lower conductivity than usual electrolyte, having a structure below. The conductive auxiliary liquid includes a high boiling point organic solvent having a boiling point of 150° C. or more, and an aromatic compound having at least one hydroxyl group. The aromatic compounds preferably includes an aromatic compound having at least one carboxyl group or an aromatic compound having at least one nitro group, or a combination of an aromatic compound having at least one carboxyl group with an aromatic compound having at least one nitro group. | 11-13-2014 |
20140340819 | Solid Electrolytic Capacitor and Improved Method for Manufacturing a Solid Electrolytic Capacitor - An improved process for forming a capacitor, and improved capacitor formed thereby is described. The process includes:
| 11-20-2014 |
20150340160 | SELF-RECHARGEABLE HYBRID BATTERY AND ELECTRONIC DEVICE COMPRISING THE SAME - The present invention relates to a self-rechargeable hybrid battery and an electronic device including the same. Since the self-rechargeable hybrid battery includes a solar cell and a capacitor which is charged by current output from the solar cell, the charging efficiency of energy output from a solar cell may be increased in an eco-friendly manner, and the self-rechargeable hybrid battery includes electrodes having high transparency, electrical conductivity and interfacial capacitance, and thus may be applied to a transparent device. | 11-26-2015 |
20160172115 | CONDUCTIVE PASTE AND CAPACITOR ELEMENT CONSTITUTING SOLID ELECTROLYTIC CAPACITOR USING THE SAME | 06-16-2016 |