| Entries |
| Document | Title | Date |
|---|
| 20080198535 | Solid Electrolytic Capacitor, Anode Used For Solid Electrolytic Capacitor, and Method of Manufacturing the Anode - An electrode (A | 08-21-2008 |
| 20080212263 | Capacitor - Porous anode bodies suitable for use in solid state capacitors, the porous anode bodies prepared by processes which include providing a niobium suboxide powder comprising niobium suboxide particles having a bulk nitrogen content of 500 to 20,000 ppm, and agglomerating and coalescing the powder; and capacitors incorporating such anode bodies. | 09-04-2008 |
| 20080218943 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor is provided which is capable of exhibiting an excellent characteristic and high reliability against thermal stress. The solid electrolytic capacitor includes a base member having a capacitor element connecting face on its upper surface side and an electrode mounting face on its lower surface side and being made up of an insulating plate having first conductors and second conductors, disposed in a staggered format, each providing conduction between the upper and lower surface sides of the base member, and the capacitor element having anode portions and cathode portions, each being disposed in a staggered format, connected to each of the first and second conductors. | 09-11-2008 |
| 20080218944 | Solid electrolytic capacitor, electric circuit, and solid electrolytic capacitor mounting structure - A solid electrolytic capacitor (A | 09-11-2008 |
| 20080225465 | Solid electrolytic capacitor and manufacturing method thereof - The invention relates to a coil type solid electrolytic capacitor containing solid organic polymer with high electrical conductivity as electrolyte and its manufacturing method. In the invention, such processes as oxidation, carbonization, immersing, chemical oxypolymerization, and so on are fully disclosed. The solid electrolytic capacitor of the invention has a pretty low equivalent series resistance (ESR), good impedance frequency properties, so can be used at a frequency above 1 MHz. And it has a high anti-ripple current capacity, wide applicable range of temperature, good temperature properties, large capacity, long life, and reliable performance, therefore can be widely applied in the fields of modern communication, computer, and high performance civilian and military electronic products. | 09-18-2008 |
| 20080239630 | ELECTROLYTIC CAPACITOR - The present invention provides an electrolytic capacitor having a large electrostatic capacity. | 10-02-2008 |
| 20080239631 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - The solid electrolytic capacitor includes an anode body formed of a sintered body consisting of metal particles; a dielectric layer provided on the top surface of the anode body; and a conducting polymer layer provided on the top surface of the dielectric layer. The anode body includes a first anode portion and a second anode portion which is provided in a way that the second anode portion covers the first anode portion, and in that the particle diameter of metal particles for the second anode portion is smaller than that of metal particles for the first anode portion. | 10-02-2008 |
| 20080259528 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - Provided is a solid electrolytic capacitor with a high capacity occurrence rate and a high capacity and a method for manufacturing the solid electrolytic capacitor. An anode body is formed on a periphery of an anode lead having a hollow structure. The anode body has a porous body of a valve metal or an alloy of the metal as its main component. The hollow structure allows an inside and an outside of the anode body to connect with each other. A dielectric layer is formed on a surface of the anode body, and a conducting polymer layer is formed on a surface of the dielectric layer. When the conducting polymer layer is formed, the inside of the anode body is depressurized by suction from the outside of the anode body through the hollow structure of the anode lead. | 10-23-2008 |
| 20080285211 | Li4Ti5O12,Li(4-alpha)ZalphaTi5O12 or Li4ZbetaTi(5-beta)O12 particles processes for obtaining same and use as electrochemical generators - Synthesis process for new particles of Li | 11-20-2008 |
| 20080291605 | NIOBIUM SUBOXIDE POWDER - A niobium suboxide powder comprising 100 to 600 ppm of magnesium is described. The niobium suboxide powder may (alternatively or in addition to 100 to 600 ppm of magnesium) further include 50 to 400 ppm of molybdenum and/or tungsten. The niobium suboxide powder is suitable for the production of: capacitors having an insulator layer of niobium pentoxide; capacitor anodes produced from the niobium suboxide powder; and corresponding capacitors. | 11-27-2008 |
| 20080304210 | SOLID-STATE ELECTROLYTIC CAPACITOR - A solid-state electrolytic capacitor including a stacked body of a solid-state electrolytic capacitor element unit and an electrode conversion board. The unit includes two kinds of solid-state electrolytic capacitor elements. Each of first kind of solid-state electrolytic capacitor elements uses an anode body having a total thickness of an aluminum foil of 350 μm and a residual core thickness, i.e., the total thickness minus the thickness of an etched layer, is 50 μm. A second kind of solid-state electrolytic capacitor element provided on the mounting surface side uses an anode body having a total thickness of an aluminum foil of 150 μm and a residual core thickness is 50 μm. The electrode conversion board includes external anode and external cathode terminals that are arranged In a checkered manner and also includes, on the side opposite to the board, anode electrode and cathode electrode plates. | 12-11-2008 |
| 20080310080 | Solid State Capacitors and Method of Manufacturing Them - The present invention concerns the field of solid state capacitors and is directed more particularly to a method for manufacturing solid state electrolytic capacitors formed from porous conductive metal oxide anode bodies and having a cathode layer of conducting polymer, and capacitors thereby formed. There is disclosed a solid state capacitor comprising a porous anode body, a dielectric layer formed on surfaces of the porous anode body and a cathode layer formed on the dielectric layer, characterised by the combination of the anode body being formed from an electrically conducting ceramic material and the cathode layer being formed from an electrically conductive polymer material. The conducting ceramic material may be a metal oxide or nitride. | 12-18-2008 |
| 20090034163 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - An element for a solid electrolytic capacitor having low equivalent series resistance (ESR) and high capacitance per unit volume obtained by controlling the composition or the thickness of the silver paste forming a laminated structure on the anode substrate having a carbon paste layer on the surface. Using two kinds of silver pastes each having different wettability on the carbon paste layer and applying each silver paste on the side (edge) portions and face portions of an anode substrate, respectively, a desired layer thickness can be obtained as a whole. A solid electrolytic capacitor element preferably has a silver paste layer coating the side (edge) portions of the anode substrate which is thicker than the silver paste layer covering the face portions of the anode substrate, wherein a silver paste of composition having a water amount of 0.5 mass % or less is preferably used. | 02-05-2009 |
| 20090080144 | MULTI-LAYERED SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME - [Problem] A multi-layered solid electrolytic capacitor and a method of manufacturing the capacitor are provided that make it possible to improve the product yield drastically by preventing increases in leakage current and defects due to short circuits without increasing manufacturing cost or capacitor size. | 03-26-2009 |
| 20090103246 | INTERCONNECTIONS FOR MULTIPLE CAPACITOR ANODE LEADS - An anode assembly for a capacitor is described. The anode assembly comprises a first anode including a first conductive lead disposed in a first groove in a junction bar, a second anode including a second conductive lead disposed in a second groove in the junction bar, and an anode terminal lead disposed in a third groove in the junction bar. The capacitor including the anode assembly is further comprised of a cathode comprising a conductive substrate supporting a cathode active material facing the first and second anodes, and a separator positioned there between to prevent the first and second anodes and the cathode from contacting each other. The anode assembly, the cathode, and the separator are sealed inside of a casing, and the casing is filled with a working electrolyte. | 04-23-2009 |
| 20090109603 | SOLID ELECTROLYTIC CAPACITOR WITH IMPROVED MOISTURE RESISTANCE PROPERTIES AND METHOD OF MANUFACTURING THE SAME - In a solid electrolytic capacitor including a porous valve-acting metal, an anode conductor has a large number of pores having openings on the surface thereof according to the porosity of the valve-acting metal. A solid electrolyte layer is formed on the surface of the anode conductor so as to be filled in at least a portion of each of the pores and to close the openings thereof. Further, a cathode conductor is formed on the solid electrolyte layer. Preferably, the solid electrolyte layer has a two-layer structure with two layers having different particle sizes. | 04-30-2009 |
| 20090116172 | SOLID ELECTROLYTIC CAPACITOR WITH SMALL LEAKAGE CURRENT AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor manufacturing method includes a process of removing a roughened surface layer ( | 05-07-2009 |
| 20090128998 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor comprising a capacitor element having an anode member and a cathode member, an anode terminal electrically connected with the anode member, a cathode terminal electrically connected with the cathode member, and a mold resin portion covering the capacitor element; wherein the cathode terminal has an upper step portion in face-to-face contact with the cathode member and a lower step portion exposed out of the mold resin portion and a bottom surface of the mold resin portion and an upper surface of the lower step portion of the cathode terminal are disposed in an approximately same plane. | 05-21-2009 |
| 20090168305 | Capacitors with Low Equivalent Series Resistance - An electric double layer capacitor (EDLC) in a coin or button cell configuration having low equivalent series resistance (ESR). The capacitor comprises mesh or other porous metal that is attached via conducting adhesive to one or both the current collectors. The mesh is embedded into the surface of the adjacent electrode, thereby reducing the interfacial resistance between the electrode and the current collector, thus reducing the ESR of the capacitor. | 07-02-2009 |
| 20090195969 | SOLID ELECTROLYTIC CAPACITOR WITH LOW ESL AND SIMPLE STRUCTURE - The terminal plate | 08-06-2009 |
| 20090231783 | METHOD OF MANUFACTURING METAL FOIL FOR ELECTROLYTIC CAPACITOR AND ELECTROLYTIC CAPACITOR - The invention provides a method of manufacturing a metal foil for an electrolytic capacitor. In the case of slitting a wide metal strip subjected to etching treatment into a predetermined size with a cutting blade, a slitting portion of the heated wide metal strip is slit to provide the metal foil with few burrs and cracks at the slit edge surface. | 09-17-2009 |
| 20090231784 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode leading part and a cathode leading part; an anode lead frame connected to the anode leading part and a cathode lead frame connected to the cathode leading part; and an packing resin with which the capacitor element is coated, and the anode leading part protrudes from one end face of the capacitor element. The anode lead frame includes: an anode terminal part having an exposed surface exposed from the packing resin, a rising part connected to the anode terminal part, bent toward the anode leading part located in the upper part of the anode terminal part and extending in the packing resin, and a bent part connected to the rising part and bent along a direction which is parallel to a protruding direction of the anode leading part and connected to the anode leading part. | 09-17-2009 |
| 20090237865 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - The invention relates to a solid electrolytic capacitor, obtained by bonding a capacitor element to a lead frame, especially a lead frame having a partial plating of low-melting point metal which is provided by applying taping on some part of the lead frame. The solid electrolytic capacitor of the invention is excellent in heat resistance and has high degree of completion of resin encapsulation, which contributes to its excellent moisture resistance. Also, since a lead frame with low-melting point metal plating can be used, no further plating process is required and in case of using resistance welding method, a solid electrolytic capacitor can be obtained easily through anodic bonding in stacking elements. | 09-24-2009 |
| 20090237866 | CHIP CAPACITOR - A capacitor element having an upper surface, a lower surface, a first end surface and a second end surface is coated with a cathode layer, except for the first end surface. Anode lead extends out from the first end surface. An anode terminal has a first portion located close to and beneath the lower surface of the capacitor element and has a second portion connected to the anode lead via an arcuate connector. A cathode terminal is disposed under the lower surface of the capacitor element, being spaced from the first portion of the anode terminal. A packaging resin covers the capacitor element, the anode terminal and the cathode terminal. A depression is formed in the anode terminal, which extends from a portion of the anode terminal facing the lower surface of the capacitor element to the inner edge of the anode terminal facing the cathode terminal. | 09-24-2009 |
| 20090244813 | Methods Of Making A Niobium Metal Oxide and Oxygen Reduced Niobium Oxides - Methods to at least partially reduce a niobium oxide are described wherein the process includes mixing the niobium oxide and niobium powder to form a powder mixture that is then heat treated to form heat treated particles which then undergo reacting in an atmosphere which permits the transfer of oxygen atoms from the niobium oxide to the niobium powder, and at a temperature and for a time sufficient to form an oxygen reduced niobium oxide. Oxygen reduced niobium oxides having high porosity are also described as well as capacitors containing anodes made from the oxygen reduced niobium oxides. | 10-01-2009 |
| 20090279232 | ELECTROLYTIC CAPACITORS WITH MULTIPLE ANODES AND ANODE LEAD CONFIGURATIONS THEREOF - A capacitor comprising a cylindrical casing sidewall extending to closed first and second end walls and an anode assembly housed therein including a first, second and third anodes is described. Each anode comprises an anode sidewall extending to first and second anode end walls and a conductive lead extending therefrom. The anodes are in a side-by-side relationship within the casing with their respective sidewalls parallel to each other. The cathode of the capacitor may include a first conductive substrate supporting a cathode active material. The conductive substrate is wrapped around the anodes, and the cathode active material is disposed on the substrate at locations such that the respective sidewalls of the anodes are opposed by cathode active material. A separator is positioned between the side-by-side anodes and the cathode. The open volume within the casing is filled with an electrolyte, and the casing is hermetically sealed. | 11-12-2009 |
| 20100053849 | ANODES WITH CORNER AND EDGE MODIFIED DESIGNS - Porous sintered anode bodies for capacitors formed from valve metals are treated by electrolysis to form a dielectric layer and coated with cathode layers. When standard parallelepiped shapes are used, cathode coverage at the edges and corners is non-uniform and failures occur at those locations. Rectangular prisms, obround prisms and cylindrical prisms are formed with transition surfaces at edges and corners, such as chamfers and curves, to enhance cathode layer uniformity. The transition surface greatly enhances the application of polymer slurries. | 03-04-2010 |
| 20100067175 | POWDER MODIFICATION IN THE MANUFACTURE OF SOLID STATE CAPACITOR ANODES - The present invention concerns the field of solid state capacitors and in particular high performance capacitors for use in modern electronic devices. Specifically, the present invention relates to a method by which powders of valve-action material may be modified to make them suitable for use in the formation of capacitor anodes for solid state electrolytic capacitors. According to the present invention there is provided a method of modifying raw valve-action material powder into capacitor grade structured powder comprising: (i) providing a raw powder to be converted; (ii) compressing a portion of the powder to form a porous solid mass of powder (iii) heating the solid mass to a pre-determined sintering temperature and maintaining the temperature for a pre-determined time period to form a sintered body, (iv) pulverising the sintered body to form a processed powder and (v) optionally grading the powder particles within pre-determined size ranges so as to collect capacitor grade powder. | 03-18-2010 |
| 20100073848 | SOLID ELECTROLYTIC CAPACITOR AND PRODUCTION METHOD THEREOF - In a solid electrolytic capacitor, a path of an electric current flowing from a lower layer to an upper layer of a laminate in cathode portions of respective capacitor elements connected through an electroconductive adhesive layer is opposite to paths of electric currents flowing from a canopy through joints to cathode terminals, thereby achieving reduction in ESL by mutual inductance effect in a simple structure. Since the solid electrolytic capacitor has the structure in which the laminate is surrounded by the canopy and joints, sufficient pressure resistance is ensured for the capacitor elements during resin injection. For this reason, a resin mold to cover the laminate can be formed by transfer molding, which ensures excellent heat resistance and moisture resistance. | 03-25-2010 |
| 20100110615 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SAME - A solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a plurality of openings passing through the anode lead. Another solid electrolytic capacitor according to the present invention comprises an anode body, an anode lead in contact with an outer surface of the anode body, a dielectric layer formed on a surface of the anode lead, and a cathode layer formed on a surface of the dielectric layer. The anode lead is provided with a cutout on an outer circumference edge of the anode lead. | 05-06-2010 |
| 20100214723 | Anode for a Solid Electrolytic Capacitor Containing a Non-Metallic Surface Treatment - A solid electrolytic capacitor that comprises an anode, a dielectric layer overlying the anode; and a cathode that contains a solid electrolyte layer overlying the dielectric layer. The anode comprises a porous, sintered body that defines a surface. The body is treated so that the surface contains a non-metallic element having a ground state electron configuration that includes five or more valence electrons at an energy level of three or more (e.g., phosphorous). | 08-26-2010 |
| 20100226071 | SOLID ELECTROLYTIC CAPACITOR - The solid electrolytic capacitor comprises: a capacitor element including an anode section, a dielectric film, and a cathode section; a wiring member on which the capacitor element is mounted; and an enclosure resin coating the capacitor element. The wiring member includes an insulating base, a first anode terminal portion connected to the anode section is provided on a first surface of the insulating base on which the capacitor element is mounted, the first anode terminal portion includes a connection part integrally formed therewith for electrically connecting the first anode terminal portion and the anode section to each other, a second anode terminal portion connected to the first anode terminal portion is provided on a second surface of the insulating base opposed to the first surface, and the first and second anode terminal portions are connected by an anode conduction part provided on a side surface of the insulating base. | 09-09-2010 |
| 20100232091 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - Provided are a solid electrolytic capacitor capable of reducing leakage current and a method of manufacturing the same. An aspect of the invention provides a solid electrolytic capacitor that comprises: an anode including any one of niobium and a niobium alloy; a dielectric layer formed on the anode; a cathode layer formed on the dielectric layer, the cathode layer having a work function of 5 eV or larger; and a cathode lead layer formed on the cathode layer. | 09-16-2010 |
| 20100238609 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, and a second anode section formed on a second surface of the insulating substrate, which are electrically connected to each other. A connection part is formed integrally with the first anode section. The cathode terminal comprises a first cathode section formed on the first surface and a second cathode section formed on the second surface, which are electrically connected to each other. A distance between the first anode section and the first cathode section is smaller than a distance between the second anode section and the second cathode section. And an anode section and a cathode section of a capacitor element are electrically connected to the connection part and the first cathode section respectively. | 09-23-2010 |
| 20100246097 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor comprises: a capacitor element coated with an enclosure resin; and an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, a second anode section formed on a second surface of the insulating substrate, and an anode conductive layer which is formed on a side edge surface of the insulating substrate to electrically connect there anode sections to each other. The cathode terminal comprises a first cathode section formed on the first surface, a second cathode section formed on the second surface, and a cathode conductive layer which is formed on the side edge surface of the insulating substrate to electrically connect there cathode sections to each other. And the anode conductive layer and the cathode conductive layer are exposed from the enclosure resin. | 09-30-2010 |
| 20100246098 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. A first anode section and a first cathode section are formed on a first surface of the insulating substrate, so as to be spaced from each other in a first predetermined direction. A second anode section and a second cathode section are formed on a second surface of the insulating substrate, so as to be spaced from each other in a second direction generally perpendicular to the first direction. The anode terminal comprises the first and second anode sections, which are electrically connected to each other. The cathode terminal comprises the first and second cathode sections, which are electrically connected to each other. A capacitor element is arranged on the first surface of the insulating substrate with an anode section thereof being oriented in the first direction. | 09-30-2010 |
| 20100271758 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element having an anode portion, a dielectric film and a cathode portion, an anode lead frame, a cathode lead frame, and a molded resin for covering at least a part of the anode and cathode lead frames and the capacitor element. In a cathode lead frame opposed portion opposed to the capacitor element with a conductive adhesive material being interposed is provided with a through hole having a narrowed portion smaller in diameter than other portions between a capacitor-element-side opening portion and a molded-resin-side opening portion, and the conductive adhesive material is formed in the through hole. | 10-28-2010 |
| 20110043968 | Hybrid super capacitor - There is provided a super capacitor employing a novel hybrid system. The super capacitor includes an anode comprising a transition metal oxide, a cathode comprising a carbide pre-doped with Li ions, a separator disposed between the anode and the cathode to separate the anode and the cathode from each other, and an electrolyte contacting the anode and the cathode. | 02-24-2011 |
| 20110058310 | Electrolytic Capacitor Assembly and Method with Recessed Leadframe Channel - A solid electrolytic capacitor has a capacitor body formed from a pressed anode, a dielectric layer and a solid electrolyte layer. An anode lead extends from anode pellet and is electrically connected to an anode termination. The outer surface of the capacitor body forms a cathode that is electrically connected to a cathode termination. Base anode and cathode termination portions are coplanar and connected with a recessed leadframe channel. A capacitor element is attached to the anode and cathode termination portions and encapsulated. The recessed leadframe channel is removed to isolate the anode and cathode terminations on a single mounting surface, leaving a surface groove formed between the anode and cathode terminations. | 03-10-2011 |
| 20110096467 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURE THEREOF - On a surface of an anode member | 04-28-2011 |
| 20110102973 | STABILISED THIOPHENE DERIVATIVES - The present invention relates to a stabilised monomer composition comprising
| 05-05-2011 |
| 20110128676 | PROCESS FOR PRODUCING ELECTROLYTIC CAPACITORS HAVING A LOW LEAKAGE CURRENT - Process for producing a capacitor anode based on at least one of a valve metal and a compound having properties comparable to a valve metal includes providing a pressing or cutting tool which is at least one of made of and coated with a pressing or cutting tool material comprising at least one of a metal carbide, an oxide, a boride, a nitride, a silicide, a carbonitride or alloys thereof, a ceramic material, a hardened steel, an alloy steel, and a capacitor anode material. Particles of the at least one of a valve metal and a compound having properties comparable to a valve metal are pressed or cut with the pressing or cutting tool so as to produce a porous electrode body and form the capacitor anode. | 06-02-2011 |
| 20110149477 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURE - An improved solid electrolytic capacitor and method of forming a solid electrolytic capacitor is described. The method includes forming an anode comprising a valve metal or conductive oxide of a valve metal wherein an anode lead extension protrudes from the anode. A dielectric is formed on the anode and a cathode layer is formed on the dielectric. The anode, dielectric, and cathode layer are encased in a non-conducting material and the anode lead extension is exposed outside of the encasement at a side surface. A conductive metal layer is adhered to the anode lead extension which allows termination preferably by electrically connecting a preformed solid metal terminal, most preferably an L shaped terminal, to the conductive metal layer at the side surface. | 06-23-2011 |
| 20110170238 | VALVE METAL AND VALVE METAL OXIDE AGGLOMERATE POWDERS AND METHOD FOR THE PRODUCTION THEREOF - At least one of a valve metal sintered capacitor anode body and a suboxide valve metal sintered capacitor anode body with a particle density of >88% of a theoretical density. | 07-14-2011 |
| 20110205691 | SOLID ELECTROLYTIC CAPACITOR AND A METHOD FOR MANUFACTURING THE SAME - An aspect of the invention provides a solid electrolytic capacitor having an anode body, a dielectric layer formed on the anode body, and a conductive polymer layer formed on the dielectric layer, wherein the anode body including a porous body has a first surface and a second surface facing each other, and a through-hole from the first surface to the second surface, wherein the through-hole has a first outer circumference at the first surface and a second outer circumference at a cross-section that is parallel to the first surface, and the position of the second outer circumference viewed from a normal direction to the first surface differs from the position of the first outer circumference. | 08-25-2011 |
| 20110249375 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes a capacitor element, an anode lead frame, a cathode lead frame, and a mold resin portion. The anode lead frame includes an anode terminal portion and a rising portion, and the anode terminal portion is exposed at the bottom surface of the mold resin portion. The rising portion is formed integral with the anode terminal portion, and rises to the anode portion. In the rising portion, a through hole is formed. The cathode lead frame includes a cathode terminal portion, a pair of side surface portions and a step portion. Thus, a solid electrolytic capacitor allowing highly accurate and reliable attachment of the capacitor element to the lead frame without using any additional member is provided. | 10-13-2011 |
| 20110292572 | METHOD OF IMPROVING ELECTROMECHANICAL INTEGRITY OF CATHODE COATING TO CATHODE TERMINATION INTERFACES IN SOLID ELECTROLYTIC CAPACITORS - A solid electrolytic capacitor with an anode and a dielectric on the anode. A cathode is on the dielectric and a conductive coating on said dielectric. A cathode lead is electrically connected to the conductive coating by an adhesive selected from the group consisting of a transient liquid phase sinterable material and polymer solder. | 12-01-2011 |
| 20110292573 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor capable of assuredly connecting a lead terminal and a lead wire while increasing a capacity of a capacitor element is provided. The present invention is directed to a solid electrolytic capacitor in which a capacitor element | 12-01-2011 |
| 20110292574 | HIGH DENSITY CAPACITOR - A high density capacitor | 12-01-2011 |
| 20110317336 | High Voltage Niobium Oxides And Capacitors Containing Same | 12-29-2011 |
| 20120002350 | SOLID ELECTROLYTIC CAPACITOR WITH SMALL LEAKAGE CURRENT AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes an anode formed of a valve metal and having a roughened surface layer at a surface thereof, a dielectric layer formed of a valve metal oxide and formed on the anode, a cathode formed of a conductive polymer layer formed on the dielectric layer, an anode lead formed adjacent to and integrally with the anode, and a resist formed of an insulating material and delimiting the anode and the anode lead. The anode and the anode lead have a first stepped portion having both surfaces each cut in a thickness direction and covered with the resist, and the anode lead has a second stepped portion having both surfaces each cut deeper in the thickness direction than the first stepped portion. | 01-05-2012 |
| 20120044615 | SOLID ELECTROLYTIC CAPACITOR AND ITS MANUFACTURING METHOD - A solid electrolytic capacitor according to an aspect of the present invention includes an anode conductor including a porous valve metal body, a dielectric layer formed on a surface of the anode conductor, and a solid electrolyte layer including a conductive polymer layer formed on a surface of the dielectric layer, in which the solid electrolyte layer includes a first solid electrolyte layer formed on a surface of the dielectric layer, and a second solid electrolyte layer formed on a surface of the first solid electrolyte layer, and at least one continuous or discontinuous layer containing an amine compound exists between the first and second solid electrolyte layers, and inside the second solid electrolyte layer. | 02-23-2012 |
| 20120063063 | PROCESS FOR SOLID ELECTROLYTIC CAPACITORS USING POLYMER SLURRIES - A process for forming a solid electrolytic capacitor and an electrolytic capacitor formed by the process. The process includes: providing an anode wherein the anode comprises a porous body and an anode wire extending from the porous body; apply a thin polymer layer onto the dielectric, and | 03-15-2012 |
| 20120081839 | Lithium Ion Storage Device - A present invention provide a lithium ion storage device capable of reliably doping a negative active material of a negative plate with lithium ions generated through dissolution of a lithium metal plate disposed in an electrode group. A conductive shielding member includes a current collecting metal foil and a negative active material layer formed on at least one surface of the current collecting metal foil. The conductive shielding member is provided between a lithium metal plate and a positive plate such that the lithium metal plate is sandwiched between the negative plate and the negative active material layer formed on the current collecting metal foil of the conductive shielding member. | 04-05-2012 |
| 20120134073 | Multi-Layered Conductive Polymer Coatings for Use in High Voltage solid Electrolytic Capacitors - A solid electrolytic capacitor that is capable of exhibiting stable electrical properties (e.g., leakage current and ESR) in a wide variety of operational conditions is provided. The capacitor contains an oxidized anode body and a conductive polymer coating overlying the anode body. The conductive polymer coating contains multiple layers formed from a dispersion of pre-polymerized conductive polymer particles. Unlike conventional attempts, the present inventors have surprisingly discovered that capacitors formed from such conductive polymer dispersions can operate at high voltages, and also achieve good electrical performance at relatively high humidity and/or temperature levels. More particularly, the present inventors have discovered that the problem of layer delamination may be overcome by carefully controlling the configuration of the conductive polymer coating and the manner in which it is formed. Namely, the coating contains a first layer that only partially covers the anode body. Because the anode body is not completely coated, the gaseous bubbles generated within the first layer are able to more easily escape via the uncoated portion without tearing away portions of the polymer layer. This minimizes the subsequent formation of surface inhomogeneities that could otherwise lead to delamination. The coating may likewise contain a second layer that overlies the first layer, and covers substantially the entire surface of the anode body. | 05-31-2012 |
| 20120134074 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor having an anode element, a dielectric film covering a surface of the anode element, a conductive polymer layer provided on the dielectric film, and a water-repellent portion provided on the dielectric film not in contact with the conductive polymer layer and containing silicone oil is provided. | 05-31-2012 |
| 20120147530 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - A capacitor element of a solid electrolytic capacitor includes an anode body serving as an anode, a dielectric coating, a solid electrolyte layer, an insulating layer, and a carbon layer and a silver paste layer serving as a cathode. The insulating layer is formed to cover a relatively thin portion of the solid electrolyte layer. | 06-14-2012 |
| 20120194968 | Solid Electrolytic Capacitor and Method for Producing the Same - A solid electrolytic capacitor that includes a laminated body, a solid electrolyte layer, and conductive bases. The laminated body is obtained by laminating a plurality of dielectric-coated valve action metal sheets, each of which includes a valve action metal base and a dielectric coating, and joining together the adjacent valve action metal bases. The valve action metal base has a cathode layer part, and the dielectric coating covers the surface of the valve action metal base at least the cathode layer part. The valve action metal base of at least one of the dielectric-coated valve action metal sheets further has an anode lead part. The solid electrolyte layer is a continuous layer that fills gaps between the dielectric-coated valve action metal sheets and covers the outer surface of the laminated body at the cathode layer parts, and conductive bases are provided in the solid electrolyte layer. | 08-02-2012 |
| 20120206858 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor comprises an insulating substrate in which an anode terminal and a cathode terminal are formed. The anode terminal comprises a first anode section formed on a first surface of the insulating substrate, and a second anode section formed on a second surface of the insulating substrate, which are electrically connected to each other. The cathode terminal comprises a first cathode section formed on the first surface and a second cathode section formed on the second surface, which are electrically connected to each other. A distance between the first anode section and the first cathode section is smaller than a distance between the second anode section and the second cathode section. And an anode section and a cathode section of a capacitor element are electrically connected to the first anode section and the first cathode section respectively. | 08-16-2012 |
| 20120257327 | HERMETICALLY SEALED ELECTROLYTIC CAPACITOR WITH ENHANCED MECHANICAL STABILITY - A capacitor assembly that is thermally and mechanically stable in high temperature environments is provided. Thermal stability is provided by enclosing and hermetically sealing the capacitor element within a housing in the presence of a gaseous atmosphere that contains an inert gas, thereby limiting the amount of oxygen and moisture supplied to the solid electrolyte of the capacitor. To provide the assembly with good mechanical stability, a polymeric restraint is also employed that is positioned adjacent to and in contact with one or more surfaces of the capacitor element. Without intending to be limited by theory, it is believed that the strength and rigidity of the polymeric restraint can help the capacitor element better withstand vibrational forces incurred during use without resulting in delamination. In this manner, the capacitor assembly is able to better function in high temperature environments. | 10-11-2012 |
| 20120257328 | Housing Configuration for a Solid Electrolytic Capacitor - A capacitor assembly that is stable under extreme conditions is provided. More particularly, the assembly includes a capacitor element that is positioned within an interior cavity of a housing. The housing includes a base to which the capacitor element is connected. The housing also includes a lid that contains an outer wall from which extends a sidewall. An end of the sidewall is defined by a lip extending at an angle relative to the longitudinal direction and having a peripheral edge located beyond a periphery of the sidewall. The lip is hermetically sealed to the base. In some cases, the peripheral edge of the lip is also coplanar with an edge of the base. The use of such a lip can enable a more stable connection between the components and improve the seal and mechanical stability of the capacitor assembly, thereby allowing it to better function under extreme conditions. | 10-11-2012 |
| 20120257329 | Manganese Oxide Capacitor for Use in Extreme Environments - A capacitor assembly for use in high voltage and high temperature environments is provided. More particularly, the capacitor assembly includes a capacitor element containing an anodically oxidized porous, sintered body that is coated with a manganese oxide solid electrolyte. To help facilitate the use of the capacitor assembly in high voltage (e.g., above about 35 volts) and high temperature (e.g., above about 175° C.) applications, the capacitor element is enclosed and hermetically sealed within a housing in the presence of a gaseous atmosphere that contains an inert gas. | 10-11-2012 |
| 20120293918 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes an anode body, an anode extraction layer, a dielectric layer, a first electrolyte layer, an electrical insulator, and a cathode layer. The anode extraction layer is formed on the outer circumference of the anode body. The dielectric layer is formed on a region in the outer circumference of the anode body different from a region on which the anode extraction layer is formed. The first electrolyte layer is formed on the dielectric layer. The electrical insulator is placed between the anode extraction layer and the first electrolyte layer. The cathode layer is formed on the first electrolyte layer, and is spaced apart from the anode extraction layer. | 11-22-2012 |
| 20120300370 | CONDUCTIVE POLYMER DISPERSIONS FOR SOLID ELECTROLYTIC CAPACITORS - A capacitor with an anode and a dielectric over the anode. A first conductive polymer layer is over the dielectric wherein the first conductive polymer layer comprises a polyanion and a first binder. A second conductive polymer layer is over the first conductive polymer layer wherein the second conductive polymer layer comprises a polyanion and a second binder and wherein the first binder is more hydrophilic than the second binder. | 11-29-2012 |
| 20130016453 | SOLID ELECTROLYTIC CAPACITORAANM Ito; TadahitoAACI OsakaAACO JPAAGP Ito; Tadahito Osaka JPAANM Taketani; YutakaAACI OsakaAACO JPAAGP Taketani; Yutaka Osaka JPAANM Hasaba; YoshiakiAACI OsakaAACO JPAAGP Hasaba; Yoshiaki Osaka JPAANM Sakamaki; MakotoAACI OsakaAACO JPAAGP Sakamaki; Makoto Osaka JP - Provided is a solid electrolytic capacitor having reduced manufacturing man-hour, low leak current, low initial ESR, low ESR after long year use, and long life. The solid electrolytic capacitor includes a anode member made of a valve action metal, a dielectric coating layer formed on a surface of the anode member, a solid electrolytic layer formed on the dielectric coating layer, and a conductive solid layer covering the solid electrolytic layer, in which the conductive solid layer contains silver and nickel, and the weight ratio of nickel to silver is set to 3 to 30%. | 01-17-2013 |
| 20130050904 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - An anode includes a first region adjacent to a root of an anode lead, a second region at a corner of one end surface of the anode, a third region between the first region and the second region, and a fourth region in the interior of the anode into which the anode lead is embedded. The thicknesses of a dielectric layer in the first region and the second region are greater than the thicknesses of the dielectric layer in the third region and the fourth region. | 02-28-2013 |
| 20130070393 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor is impregnated with a conductive polymer dispersion solution comprising sorbitol. In the capacitor, the hydroxyl group of sorbitol acts as the oxygen source necessary for the anodic oxidation of anodic oxide film when voltage is applied to the solid electrolytic capacitor. Consequently, the oxide film is repaired and withstand voltage property is improved, which is thought to be due to the anodic oxidation that repairs the damage on the oxide film. Superior electric capacitance can further be attained by specifying the sorbitol content in the dispersion solution to be at 60-90 wt %. | 03-21-2013 |
| 20130083455 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a solid electrolytic capacitor and a method producing the same, in which high reliability is realized and further in which the product yield is improved by suppressing the increase of ESR or the like. In the present invention, the electroconductive polymer layer includes first electroconductive polymer layer | 04-04-2013 |
| 20130135791 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - A solid electrolytic capacitor includes a capacitor element, an anode terminal, and a cathode terminal. The anode terminal is electrically connected to the anode lead of the capacitor element through a pillow portion formed on a surface of the anode terminal. The cathode terminal is electrically connected to the cathode layer of the capacitor element. A method of manufacturing the solid electrolytic capacitor includes steps (a) and (b). In the step (a), a first printed portion to become the pillow portion is formed by performing printing on a predetermined place of the surface of the anode terminal with paste containing a conductive material and resin. In the step (b), the anode lead is connected to a tip end part of the first printed portion. | 05-30-2013 |
| 20130182374 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides a solid electrolytic capacitor and a method for producing the same, in which the anode portion is hard to be cut off and the reliability can be improved when the ultrasonic welding is carried out, and in which the volumetric efficiency is improved. The present invention is solid electrolytic capacitor | 07-18-2013 |
| 20130182375 | SOLID ELECTROLYTIC CAPACITOR ELEMENT, METHOD FOR PRODUCING SAME, AND TOOL FOR PRODUCING SAID SOLID ELECTROLYTIC CAPACITOR ELEMENT - A method of manufacturing a solid electrolytic capacitor element including the steps of forming a semiconductor layer on a dielectric layer formed on surfaces of a plurality of anode bodies at one time. A step of forming a semiconductor layer includes repeating an electrolytic polymerization operation several times by applying a current from a power-feeding terminal that comes into contact with each anode body. Further, at least one of the electrolytic polymerization operations continuously applies a current while changing the amount of current between the range of 5 to 200 μA per power-feeding terminal. Also disclosed is a jig for electrolytic polymerization for forming the semiconductor layer including a plurality of power supply circuits (i) capable of continuously changing the amount of current between a lower limit and an upper limit; and a power-feeding terminals (ii). | 07-18-2013 |
| 20130222978 | ELECTROCONDUCTIVE POLYMER SUSPENSION SOLUTION, ELECTROCONDUCTIVE POLYMER MATERIAL, AND ELECTROLYTIC CAPACITOR AND METHOD FOR PRODUCING THE SAME - The present invention provides an electroconductive polymer suspension solution and an electroconductive polymer material which has a high electroconductivity and in which the time-related deterioration of the electroconductivity is suppressed. Also, the present invention provides an electrolytic capacitor with a low ESR using the electroconductive polymer material as a solid electrolyte and a method for producing the same. | 08-29-2013 |
| 20130250486 | Solid Electrolytic Capacitor and Method of Manufacture - An improved solid electrolytic capacitor and method of forming a solid electrolytic capacitor is described. The method includes forming an anode comprising a valve metal or conductive oxide of a valve metal wherein an anode lead extension protrudes from the anode. A dielectric is formed on the anode and a cathode layer is formed on the dielectric. The anode, dielectric, and cathode layer are encased in a non-conducting material and the anode lead extension is exposed outside of the encasement at a side surface. A conductive metal layer is adhered to the anode lead extension which allows termination preferably by electrically connecting a preformed solid metal terminal, most preferably an L shaped terminal, to the conductive metal layer at the side surface. | 09-26-2013 |
| 20130258555 | CAPACITOR UNIT AND STACKED SOLID ELECTROLYTIC CAPACITOR HAVING THE SAME - The present invention relates to a capacitor unit, which includes an anode portion, a cathode portion, and an insulating portion. The insulating portion is provided for in a form of a headband to partially cover the surface of the anode portion to divide the anode and the cathode portions. The cathode portion partially covers the anode portion and is located behind the insulating portion. The cathode portion has at least one conductive layer which is made of a conductive polymer having copper, copper alloy, or a mixture thereof. | 10-03-2013 |
| 20130271894 | Solid Electrolytic Capacitor with Enhanced Mechanical Stability Under Extreme Conditions - Described is a capacitor assembly that is thermally and mechanically stable under extreme conditions. Thermal stability is provided by enclosing and hermetically sealing the capacitor element within a housing in the presence of a gaseous atmosphere that contains an inert gas, thereby limiting the amount of oxygen and moisture supplied to the solid electrolyte of the capacitor. To provide good mechanical stability, the assembly contains at least one external termination (e.g., anode and/or cathode termination) extending beyond an outer periphery of a surface of the housing. The degree to which the external termination extends beyond the outer periphery relative to the dimension of the housing is selectively controlled to increase the surface area available for soldering to a circuit board. | 10-17-2013 |
| 20130279077 | Solid Electrolytic Capacitor Containing Multiple Sinter Bonded Anode Leadwires - A capacitor containing a solid electrolytic capacitor element having a porous anode body and an anode lead assembly is provided. At least one wire of the lead assembly is electrically connected to the anode body for connection to an anode termination. The lead assembly contains first and second lead wires embedded within the anode body and extending therefrom in a longitudinal direction. The first and second wires are bonded/fused together during sintering of the anode body (i.e., “sinter bonded”). The bond may be metallurgical, covalent, electrostatic, etc. Sinter bonding of the wires reduces the path length and resistance for current flow within the anode body, thus reducing ESR. This is particularly useful for anode bodies formed from powders of a high specific charge, which tend to shrink away from the wires after sintering. The sinter bonded wires also result in a lead assembly that is more robust and mechanically stable. | 10-24-2013 |
| 20130279078 | Crimped Leadwire for Improved Contact with Anodes of a Solid Electrolytic Capacitor - A capacitor containing a solid electrolytic capacitor element that includes a sintered porous anode body and an anode lead assembly is provided. The lead assembly is electrically connected to the anode body for connection to an anode termination. The lead assembly contains at least a first lead wire comprising at least one notch that is located on an embedded portion of the first lead wire. The at least one notch can be formed by crimping the lead wire prior to embedding the lead wire within the anode body. The at least one lead wire is embedded within the anode body and extends from a surface of the anode body in a longitudinal direction. The resulting geometry of the lead wire increases the points of contact between the anode body and the lead wire after post-sintering shrinkage of the anode body to improve the electrical capabilities of the solid electrolytic capacitor. | 10-24-2013 |
| 20130279079 | METHOD FOR IMPROVING ELECTRICAL PARAMETERS IN CAPACITORS COMPRISING PEDOT/PSS AS A SOLID ELECTROLYTE THROUGH A POLYALKYLENE GLYCOL - The present invention relates to a method for manufacturing an electrolytic capacitor which includes the following steps:
| 10-24-2013 |
| 20130286545 | ELECTRICAL STORAGE DEVICE, LITHIUM ION CAPACITOR AND NEGATIVE ELECTRODE FOR LITHIUM ION CAPACITOR - An electrical storage device includes a positive electrode, and a negative electrode having a negative electrode active material layer containing a fluorine-containing acrylic binder, the negative electrode active material layer having a density of not less than 0.75 g/cc and not more than 1.10 g/cc. | 10-31-2013 |
| 20130321985 | Notched Lead Wire for a Solid Electrolytic Capacitor - A capacitor containing a solid electrolytic capacitor element including a sintered porous anode body and a relatively large diameter anode lead wire is provided. The lead wire is electrically connected to the anode body for connection to an anode termination. Further, the lead wire has a diameter that is at least about 10% of the height of the porous anode body to improve the points of contact between the anode body and wire to reduce ESR. A portion of the lead wire extends from a surface of the anode body in a longitudinal direction. At least one notch can be formed in the portion of the lead wire that extends from the anode body. The notch can be formed via a laser or by cutting, punching, or sawing and can serve as the point of electrical connection between the anode termination and the lead wire. | 12-05-2013 |
| 20130321986 | Notched Lead Tape for a Solid Electrolytic Capacitor - A capacitor containing a solid electrolytic capacitor element including a sintered porous anode body and a relatively large width and/or thickness anode lead tape is provided. The tape is electrically connected to the anode body for connection to an anode termination. Further, the tape has a width that is at least about 20% of the width of the anode body to improve the points of contact between the anode body and tape to reduce ESR. A portion of the tape extends from a surface of the anode body in a longitudinal direction. At least one notch can be formed in the portion of the tape that extends from the anode body. The notch can be formed via a laser or by cutting, punching, or sawing and can serve as the point of electrical connection between the anode termination and the lead tape. | 12-05-2013 |
| 20140016248 | POLYMERIZATION SOLUTION, CONDUCTIVE POLYMER FILM OBTAINED FROM THE POLYMERIZATION SOLUTION, AND SOLID ELECTROLYTIC CAPACITOR - Disclosed is a polymerization solution for electrolytic polymerization containing borodisalicylic acid and/or a salt thereof as a supporting electrolyte, in which precipitation due to the hydrolysis of borodisalicylate ions is inhibited and which provides a conductive polymer exhibiting excellent heat resistance. The polymerization solution has: a solvent consisting of 100 to 80% by mass of water and 0 to 20% by mass of an organic solvent; at least one monomer having a g-conjugated double bond; at least one supporting electrolyte selected from the group consisting of borodisalicylic acid and borodisalicylic salts; and at least one stabilizing agent selected from the group consisting of nitrobenzene and nitrobenzene derivatives, and the content of the stabilizing agent content is more than ⅛ mol per 1 mol of the supporting electrolyte. A complex is formed by the stabilizing agent and borodisalicylic acid, and the formation of precipitation due to the hydrolysis of borodisalicylate ions is inhibited. | 01-16-2014 |
| 20140055913 | SOLID ELECTROLYTIC CAPACITOR WITH HIGH TEMPERATURE LEAKAGE STABILITY - A solid electrolytic capacitor and method for forming a solid electrolytic capacitor with high temperature leakage stability is described. The solid electrolytic capacitor has improved leakage current and is especially well suited for high temperature environments such as down-hole applications. | 02-27-2014 |
| 20140071591 | DECOUPLING DEVICE WITH THREE-DIMENSIONAL LEAD FRAME AND FABRICATING METHOD THEREOF - A decoupling device including a lead frame and at least one capacitor unit set is provided. The lead frame includes a cathode terminal portion and at least two anode terminal portions disposed at two sides of the cathode terminal portion and opposite to each other. The anode terminal portions are electrically connected through a conductive line. One of the anode terminal portions extends along a first direction to form an extending portion, and the extending portion is bended along a second direction perpendicular to the first direction to form an anode side plate. Each capacitor unit set includes a plurality of capacitor units. The capacitor unit sets are connected in parallel on a same plane and disposed on the lead frame. Each capacitor unit has a cathode portion electrically connected to the cathode terminal portion and an anode portion electrically connected to the anode side plate along the first direction. | 03-13-2014 |
| 20140104756 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - An improved capacitor is described. The capacitor has an anode with an anode lead wire extending from a first face of the anode. A dielectric layer is on the anode and a cathode is on the dielectric. An anode lead with an anode base and a cavernous anode protrusion extending from the base is provided wherein the anode lead wire is in electrical contact with the anode protrusion. A cathode lead with a cathode base is provided wherein the cathode base is in electrical contact with the cathode on a side face wherein the side face is adjacent the first face and the cathode base and said anode base are coplanar. | 04-17-2014 |
| 20140104757 | ANODE GEOMETRY WITH IMPROVED VOLUMETRIC EFFICIENCY AND IMPROVED ESR - A capacitor with improved ESR and improved volumetric efficiency. The capacitor has an anode body wherein the anode body comprises a face and an inward offset which is inset from the face by a distance. An anode wire extends from a front side of the anode body wherein the front side is adjacent the face. A dielectric is on the anode body and a conductive cathode layer is on the dielectric. A cathode lead is in the inward offset and in electrical contact with the conductive cathode layer wherein the conductive cathode layer is between the cathode lead and the inward offset. | 04-17-2014 |
| 20140168859 | Solid Electrolytic Capacitor and Method of Manufacturing a Solid Electrolytic Capacitor - Provided is a method for forming a capacitor. The method includes:
| 06-19-2014 |
| 20140233157 | Low ESR Capacitor - An improved capacitor is provided wherein the improved capacitor has improved ESR. The capacitor has a fluted anode and an anode wire extending from the fluted anode. A dielectric is on the fluted anode. A conformal cathode is on the dielectric and a plated metal layer is on the carbon layer. | 08-21-2014 |
| 20140233158 | DECOUPLING DEVICE - A decoupling device including a lead frame and at least one capacitor unit assembly is provided. The lead frame includes a cathode terminal portion and at least two opposite anode terminal portions located at two ends of the cathode terminal portion. The two anode terminal portions are electrically connected with each other through a conductive line. The capacitor unit assembly includes multiple capacitor elements. The multiple capacitor elements of the capacitor unit assembly is connected in parallel, arrayed on the same plane and disposed on the lead frame. Each capacitor element has a cathode portion and an anode portion opposite to each other. The cathode portion of the capacitor element is electrically connected with the cathode terminal portion. The anode portion of the capacitor element is electrically connected with the anode terminal portion. When multiple capacitor unit assemblies exists, the capacitor unit assemblies are arrayed in a stacked way. | 08-21-2014 |
| 20140285951 | SOLID ELECTROLYTIC CAPACITOR AND MANUFACTURING METHOD THEREFOR - A solid electrolytic capacitor that includes: a laminated body having a plurality of capacitor elements stacked to have principal surfaces thereof overlapped with each other. The capacitor elements each include a valve-action metallic substrate having two principal surfaces opposed to each other, a dielectric oxide film covering a surface of the valve-action metallic substrate, and a cathode layer covering a surface of the dielectric oxide film. The laminated body has two principal surfaces and more than one side surface, and has at least one of the side surfaces with the valve-action metallic substrates exposed. An anode terminal is electrically connected to the side surface of the laminated body having the valve-action metallic substrates exposed therefrom, and the cathode layers and the anode terminal are insulated with insulators interposed therebetween, the insulators being obtained from the cathode layers. | 09-25-2014 |
| 20140285952 | DISTORTION-FREE SCREEN-PRINTED ANODES ON TA/NB SHEET - A process for producing anodes includes providing a foil comprising tantalum or niobium. A surface of the foil is oxidized so as to form oxides on the foil surface. The foil is heated so that the oxides formed on the foil surface diffuse into the foil. A paste comprising a powder selected from the group consisting of a tantalum powder, a niobium powder, a niobium oxide powder and mixtures thereof is applied to the foil. The foil with the applied paste is sintered. | 09-25-2014 |
| 20140293513 | GRAPHENE-BASED HIGH VOLTAGE ELECTRODES AND MATERIALS - The disclosure describes an improved electrode with high voltage standoff characteristics and improved graphene-based materials and methods of making them for use therein. A graphene-based thin film material is described that may be applied or transferred to a current collector to create the improved electrode. The thin film comprises high aspect ratio graphene platelets applied to the surface of a current collector or other substrate in a known ratio to a film binder material. The film is produced with a desired layer thickness and graphene-to-binder ratio to produce a desired voltage standoff for the electrode. The film may include additional materials to achieve the desired dielectric and mechanical characteristics for the application, such as ferroelectric ceramic nanorods with a high aspect ratio and high dielectric constant and/or graphene sheets. The thin film dielectric materials may have applications in more than just the anode of the graphene electrolytic capacitor, but find application as a dielectric layer in other electrical applications, such as batteries, electrode sensor arrays, and nano-scale solid-state electronics. | 10-02-2014 |
| 20140293514 | COMPOSITION AND METHOD FOR FORMING ELECTROACTIVE COATING COMPRISING CONJUGATED HETEROAROMATIC POLYMER, CAPACITOR AND ANTISTATIC OBJECT COMPRISING THE ELECTROACTIVE COATING, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR FABRICATING THE SAME - A composition for forming an electroactive coating is described, including an acid as a polymerization catalyst, at least one functional component, and at least one compound of formula (1) as a monomer: | 10-02-2014 |
| 20140313639 | METHODS FOR SOLID ELECTROLYTE INTERPHASE FORMATION AND ANODE PRE-LITHIATION OF LITHIUM ION CAPACITORS - A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant current between the anode and the dopant source. A method of pre-doping an anode of an energy storage device can include immersing the anode and a dopant source in an electrolyte, and coupling a substantially constant voltage across the anode and the dopant source. An energy storage device can include an anode having a lithium ion pre-doping level of about 60% to about 90%. | 10-23-2014 |
| 20140328007 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING THE SAME - There is provided a solid electrolytic capacitor which can increase an electrostatic capacitance and reduce ESR characteristics, and a method of manufacturing the solid electrolytic capacitor. The solid electrolytic capacitor has: a dielectric oxide film formed on a surface of an anode body having fine pores; a cathode body opposing to the anode body; and conductive polymer layers formed inside the fine pores and including amines and water-soluble self-doped conductive polymers having sulfonic acid groups. The self-doped conductive polymers are held in a good state inside fine pores such as etching pits, so that the electrostatic capacitance increases and ESR characteristics are reduced. | 11-06-2014 |
| 20140334070 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - A solid electrolytic capacitor including a positive electrode including a sintered body of metal particles of tantalum or an alloy of tantalum, a dielectric layer formed on a surface of the positive electrode; and an electrolyte layer formed on the dielectric layer. A CV value (a value of product of capacitance and voltage) of the metal particles is 100000 μF·V/g or more. The positive electrode includes a surface region and an interior region, the surface region is configured by an outer surface of the positive electrode and a vicinity of the outer surface, and the interior region is an inner part of the positive electrode surrounded by the surface region. An average film thickness of the dielectric layer in the surface region is thicker than an average film thickness of the dielectric layer in the interior region. | 11-13-2014 |
| 20140334071 | SOLID ELECTROLYTIC CAPACITOR ELEMENT, METHOD FOR MANUFACTURING SAME, AND CONDUCTIVE PASTE - Provided is a solid electrolytic capacitor element which is reduced in ESR deterioration due to thermal shock and suppressed in variation in ESR changes, while having good initial characteristics of ESR. This solid electrolytic capacitor element is provided, on the surface of an anode body, with at least a dielectric layer, a solid electrolyte layer, a carbon layer that contains a first resin component and a conductive layer that contains a second resin component. Both of the first resin component and the second resin component have a hydroxyl group, and the difference Δγ | 11-13-2014 |
| 20140355178 | TUNGSTEN CAPACITOR ANODE AND PROCESS FOR PRODUCTION THEREOF - A capacitor anode including a tungsten sintered body having an average pore diameter of 0.3 μm or less; and a method for producing the anode. The method includes forming tungsten powder into a molded body having a density (Dg) of 8 g/cm | 12-04-2014 |
| 20140376160 | ELECTRIC STORAGE DEVICE AND ELECTRIC STORAGE MODULE - An electric storage device includes: a positive electrode; a negative electrode; and a separator placed between the positive electrode and the negative electrode. The positive electrode includes a positive electrode substrate, a positive active material layer formed on the positive electrode substrate, and a protective layer that covers at least one of side surfaces in a width direction of the positive active material layer. The negative electrode includes a negative electrode substrate and a negative active material layer formed on the negative electrode substrate. The separator includes a separator substrate opposed to the negative active material layer, and an inorganic layer containing a binder, the inorganic layer formed on the separator substrate and opposed to the positive active material layer. | 12-25-2014 |
| 20150016026 | SOLID ELECTROLYTIC CAPACITOR - Disclosed is (1) an anode body for capacitors, which is composed of a sintered body containing tungsten dioxide in amount of 80 mass % or more and preferably silicon element in amount of 3.4 mass % or less, (2) a powder as a raw material of the sintered body containing a mixture of tungsten dioxide and silicon element powder in an amount of 80 mass % or more and 3.4 mass % or less, respectively, and which may optionally contain metal tungsten powder, (3) a method for producing an anode body for capacitors, and (4) an electrolytic capacitor which uses the anode body as one electrode and has a dielectric body interposed between the electrode and a counter electrode. | 01-15-2015 |
| 20150029641 | COMPOSITION AND METHOD FOR FORMING ELECTROACTIVE POLYMER SOLUTION OR COATING COMPRISING CONJUGATED HETEROAROMATIC POLYMER, ELECTROACTIVE POLYMER SOLUTION, CAPACITOR AND ANTISTATIC OBJECT COMPRISING THE ELECTROACTIVE COATING, AND SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR FABRICATING THE SAME - A composition for forming an electroactive coating is described, including an acid as a polymerization catalyst, at least one functional component, and at least one compound of formula (1) as a monomer: | 01-29-2015 |
| 20150043129 | 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. | 02-12-2015 |
| 20150055277 | Thin Wire/Thick Wire Lead Assembly for Electrolytic Capacitor - A capacitor containing a solid electrolytic capacitor element including a sintered porous anode body, a first anode lead, and a second anode lead is provided. The first anode lead has a thickness that is larger than a thickness of the second anode lead. A portion of the first anode lead is embedded in the porous anode body, and a second portion of the first anode lead extends from a surface thereof in a longitudinal direction. Meanwhile, the second anode lead is electrically connected to the anode body for connection to an anode termination. In one embodiment, the second anode lead can be directly connected to a surface of the anode body. In another embodiment, the second anode lead can be indirectly connected to the anode body such as via attachment at an end of the second portion of the first anode lead. | 02-26-2015 |
| 20150077904 | SOLID ELECTROLYTIC CAPACITOR AND PRODUCTION METHOD THEREOF - A solid electrolytic capacitor of the present invention includes: a capacitor element having an anode wire inserted in one side surface thereof; a cathode terminal disposed on one side under the capacitor element to be electrically connected to the capacitor element; an anode terminal disposed on the other side under the capacitor element and having a bending portion integrally formed to be inclined to the capacitor element for electrical connection with the anode wire; and a molding portion surrounding the outside of the capacitor element and formed to expose lower surfaces of the cathode terminal and the anode terminal. | 03-19-2015 |
| 20150092320 | ELECTRIC STORAGE DEVICE - An electric storage device having a positive electrode, a negative electrode, a separator located between the positive electrode and the negative electrode, and a nonaqueous electrolyte. The positive electrode has a positive substrate layer, a positive composite layer containing a positive active material, and an undercoat layer located between the positive substrate layer and the positive composite layer. A density of the positive composite layer is 2.1 g/cm | 04-02-2015 |
| 20150124374 | 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:
| 05-07-2015 |
| 20150340159 | ANODE BODY FOR CAPACITOR - The present invention relates to a tungsten anode body containing a total of 400 to 1,200 ppm by mass of bismuth element or antimony element. A capacitor having large capacitance, little variation in capacitance and good leakage current (LC) characteristics can be produced by using the anode body of the present invention in a capacitor. | 11-26-2015 |
| 20150340163 | ANODE BODY FOR SOLID ELECTROLYTIC CAPACITOR - An anode body for a capacitor formed by subjecting the sintered body which is obtained by sintering the molded body of tungsten powder to chemical conversion treatment, which anode body is doped with potassium in the amount of 0.003 to 0.3 mass %; a method of producing an anode body for a capacitor formed by subjecting the sintered body which is obtained by sintering the molded body of tungsten powder to chemical conversion treatment, including a process of doping the anode body with potassium in an amount of 0.003 to 0.3 mass %; and a solid electrolytic capacitor using the anode body. | 11-26-2015 |
| 20150357122 | METHOD OF MANUFACTURING SOLID ELECTROLYTIC CAPACITOR, AND SOLID ELECTROLYTIC CAPACITOR - A method of manufacturing a solid electrolytic capacitor wherein a resistance increasing process is performed on at least one of a bonding portion of an anode lead terminal and a bonding portion of an anode in order to increase contact resistance between the anode lead terminal and the anode. Thereafter, the anode and the anode lead terminal are welded to each other by resistance welding at the bonding portions. | 12-10-2015 |
| 20160012973 | CONDUCTIVE POLYMER PARTICLE DISPERSION, ELECTROLYTIC CAPACITOR USING SAME, AND METHOD OF PRODUCING THESE | 01-14-2016 |
| 20160027588 | SOLID ELECTROLYTIC CAPACITOR, ANODE LEAD CONNECTION METHOD FOR THE SAME, AND PRODUCTION METHOD FOR SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor capable of assuredly connecting to a bolster member is provided. A solid electrolytic capacitor having a capacitor element with an anode made of tungsten is accommodated in a box-shaped case. An anode lead is connected to an anode circuit pattern provided on a bottom wall inner surface of the box-shaped case. In a state in which the anode lead is covered by an oxide film and is in direct contact with the anode circuit pattern, a conductive material is adhered between the anode lead and the anode circuit pattern to thereby form a conductive connection layer. The anode lead and the conductive connection layer are connected via the conductive film layer. The conductive film layer is connected to the anode lead at the film removed portion in which the oxide film has been removed from the surface of the anode lead. | 01-28-2016 |
| 20160027589 | TANTALUM CAPACITOR AND METHOD OF MANUFACTURING THE SAME - There are provided a tantalum capacitor having groove parts extended from a lower surface of a positive electrode terminal to an inner part of a wire connection part; and a method of manufacturing a tantalum capacitor, the method including: forming a wire connection part of a positive electrode terminal by applying pressure to a portion of a conductive metal plate upwardly from a bottom surface thereof. | 01-28-2016 |
| 20160027590 | SOLID ELECTROLYTIC CAPACITOR, AND METHOD OF MANUFACTURING THE SAME - Provided is a method of manufacturing a solid electrolytic capacitor that suppresses spreading up of a solution. The method includes forming a porous sintered body made of a valve metal and having an anode wire sticking out therefrom; forming an insulating layer made of a fluorine resin, so as to surround the anode wire; and forming a dielectric layer on the porous sintered body; forming a solid electrolyte layer on the dielectric layer, after forming the insulating layer. The process of forming the insulating layer includes melting granular particles made of a fluorine resin. | 01-28-2016 |
| 20160049259 | SOLID ELECTROLYTIC CAPACITOR, AND PRODUCTION METHOD THEREOF - A production method efficiently produces a box sealed type solid electrolytic capacitor in which a capacitor element is accommodated in a box-shaped case. The method includes a step of preparing a bottom wall substrate having bottom walls. A step forms cathode anode circuit patterns on the bottom wall substrate. A step prepares a peripheral side wall substrate having peripheral side walls. A step prepares a peripheral side wall substrate in which a plurality of through-holes are provided that correspond to plurality of bottom wall structural portions. A step fixes a capacitor element to each bottom wall structural portion of the bottom wall substrate. A step obtains a capacitor continuous member in which a plurality of capacitor structural portions structuring a solid electrolytic capacitor by attaching an upper lid substrate on the peripheral side wall substrate. A step obtains a plurality of solid electrolytic capacitors by cutting the capacitor continuous member. | 02-18-2016 |
| 20160071654 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - A solid electrolytic capacitor that includes a positive external electrode electrically connected to a core part of a valve-acting metal base included in a capacitor element, a first conductive layer in direct contact with the core part of the valve-acting metal base and covering one end surface of the valve-acting metal base and at least a part of an exterior located around the end surface. | 03-10-2016 |
| 20160111221 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor including an alloy composed of titanium and zirconium as an anode conductor, an oxide film obtained by anodizing the anode conductor as a dielectric layer, and a conductive polymer as an electrolyte, wherein an atomic ratio of titanium and zirconium in the alloy of the anode conductor is from 80:20 to 10:90 as Ti:Zr, and wherein a film thickness of the oxide film is 5 nm or more and 1000 nm or less. | 04-21-2016 |
| 20160118195 | SOLID-STATE ELECTROLYTIC CAPACITOR WITH IMPROVED METALLIC ANODE AND METHOD FOR MANUFACTURING THE SAME - The instant disclosure relates to a solid electrolytic capacitor with improved metallic anode and a method for manufacturing the same. The solid electrolytic capacitor includes a substrate layer, a conductive polymer layer and an electrode layer. The substrate layer has a cathode portion and an anode portion having a smaller thickness than the cathode portion. The conductive polymer layer is formed to cover the cathode portion of the substrate layer. The electrode layer is formed to cover the conductive polymer layer. Therefore, the instant solid electrolytic capacitor can be applied to a packing process, and welding success yield rate can be improved. | 04-28-2016 |
| 20160133391 | Matrix Process for Forming Multiple Capacitors - A solid electrolytic capacitor that contains a capacitor element including an anode body, a dielectric layer, and solid electrolyte is provided. The capacitor element also includes an anode lead (e.g., wire, tape, etc.) that is electrically connected to the anode body. A first portion of the anode lead is embedded within the anode body, while a second portion of the anode lead extends from the anode body in a longitudinal direction. Contrary to conventional capacitors in which the exposed portion of the anode lead is supported by a complex and bulky lead frame assembly, there is no lead frame present in the capacitor of the present disclosure. Thus, the volumetric efficiency of the finished capacitor can be increased. An assembly containing a matrix of multiple solid electrolytic capacitor elements is also provided, as is a method for forming a matrix that comprises multiple solid electrolytic capacitor elements. | 05-12-2016 |
| 20160148755 | Capacitor with Coined Lead Frame - A solid electrolytic capacitor including a capacitor element having a front surface, a rear surface, an upper surface, a lower surface, a sintered anode body; an anode lead; an anode termination; and a cathode termination is described. The anode termination has a planar portion and an upstanding portion, where the planar portion of the anode termination has a first section and a second section, where the first section has a first thickness and the second section has a second thickness. Further, the second thickness is less than the first thickness, and the first section is disposed between the upstanding portion and the second section. In addition, the second section is disposed beneath the lower surface of the capacitor element. Moreover, the anode lead and capacitor element are generally parallel with the planar portion. Such an arrangement can result in a capacitor exhibiting improved mechanical and electrical stability. | 05-26-2016 |
| 20160163465 | ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING SAME - An electrolytic capacitor includes an anode, a dielectric layer formed on the anode, and an organic semiconductor layer covering at least a part of the dielectric layer. The organic semiconductor layer contains an organic semiconductor compound having a number average molecular weight of greater than or equal to 100 and less than or equal to 10,000 and a π electron cloud. In the organic semiconductor compound, a carrier moves between molecules of the organic semiconductor compound through the π electron cloud. | 06-09-2016 |
| 20160181021 | SOLID ELECTROLYTE CAPACITOR AND MANUFACTURING METHOD THEREOF | 06-23-2016 |
| 20160189872 | SOLID ELECTROLYTIC CAPACITOR ARTICLE, SOLID ELECTROLYTIC CAPACITOR, LEAD FRAME AND METHOD FOR MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - Disclosed is a solid electrolytic capacitor article including a lead frame having at least a pair of an anode terminal and a cathode terminal, a capacitor element which is connected to the anode terminal and the cathode terminal, and a silicone resin layer that coats the anode terminal, the cathode terminal, and the exterior surface of the capacitor element connected thereto. | 06-30-2016 |
| 20160196925 | TUNGSTEN POWDER AND ANODE BODY OF CAPACITOR | 07-07-2016 |
| 20190148081 | Wire to Anode Connection | 05-16-2019 |
