Patent application number | Description | Published |
20080254269 | NbO Capacitors With Improved Performance And Higher Working Voltages - A capacitor is described with an NbO anode. The capacitor has an NbO anode and an NbO anode lead extending from the NbO anode. A dielectric is on the NbO anode and a conductor is on the dielectric. | 10-16-2008 |
20080266755 | NbO Capacitors With Improved Performance and Higher Working Voltages - A capacitor is described with an NbO anode. The capacitor has an NbO anode and an NbO anode lead extending from the NbO anode. A dielectric is on the NbO anode and a conductor is on the dielectric. | 10-30-2008 |
20090251847 | CAPACITOR WITH SACRIFICIAL LEAD WIRE CONFIGURATION AND IMPROVED MANUFACTURING METHOD THEREOF - The capacitor has a monolithic anode and at least one anode lead wire extending from the anode. At least one sacrificial lead wire extends from the anode. A dielectric layer is on said anode and a cathode layer is on the dielectric layer. The anode lead wire is in electrical contact with the anode and a cathode lead is in electrical contact with the cathode. | 10-08-2009 |
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 |
20110265299 | CAPACITOR WITH SACRIFICIAL LEAD WIRE CONFIGURATION AND IMPROVED MANUFACTURING METHOD THEREOF - The capacitor has a monolithic anode and at least one anode lead wire extending from the anode. At least one sacrificial lead wire extends from the anode. A dielectric layer is on said anode and a cathode layer is on the dielectric layer. The anode lead wire is in electrical contact with the anode and a cathode lead is in electrical contact with the cathode. | 11-03-2011 |
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 |
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 |
20120206859 | MATERIALS AND METHODS FOR IMPROVING CORNER AND EDGE COVERAGE OF SOLID ELECTROLYTIC CAPACITORS - A process for preparing a solid electrolytic capacitor comprising application of coverage enhancing catalyst followed by application of a conducting polymer layer. Coverage enhancing catalyst is removed after coating and curing. | 08-16-2012 |
20120206860 | PROCESS FOR PRODUCING ELECTROLYTIC CAPACITORS AND CAPACITORS MADE THEREBY - A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer. | 08-16-2012 |
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 |
20130251891 | 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. | 09-26-2013 |
20130314845 | Method of Improving Electromechanical Integrity of Cathode Coating to Cathode Termination Interfaces in Solid Electrolytic Capacitors - A solid electrolytic capacitor is described which comprises an anode, a dielectric on the anode and a cathode on the dielectric. A conductive coating is on the cathode wherein the conductive layer comprises an exterior surface of a first high melting point metal. An adjacent layer is provided comprising a second high melting point metal, wherein the first high melting point metal and the second high melting point metal are metallurgically bonded with a low melting point metal. | 11-28-2013 |
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 |
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 |
20140301022 | Process for Producing Electrolytic Capacitors and Capacitors Made Thereby - A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer. | 10-09-2014 |
Patent application number | Description | Published |
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 |
20080250620 | Process for manufacturing low ESR conductive polymer based solid electrolytic capacitors - A method for maintaining quality of monomer during a coating process for intrinsically conductive polymer which suppresses unwanted by-products. A neutralization process using a base or anion exchange resin is used batch-wise or continuous. | 10-16-2008 |
20080283409 | Use of conjugated oligomer as additive for forming conductive polymers - A process for forming a capacitor. The process includes providing an anode; providing a dielectric on the anode; exposing the anode to a polymer precursor solution comprising monomer, conjugated oligomer and optionally solvent and polymerizing the polymer precursor. The ratio between monomer and conjugated oligomer ranges from 99.9/0.1 to 75/25 by weight. The solvent content in the polymer precursor solution is from 0 to 99% by weight. | 11-20-2008 |
20080299371 | 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 parallelpiped 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. | 12-04-2008 |
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 |
20100246096 | USE OF CONJUGATED OLIGOMER AS ADDITIVE FOR FORMING CONDUCTIVE POLYMERS - A process for forming a capacitor. The process includes providing an anode; providing a dielectric on the anode; exposing the anode to a polymer precursor solution comprising monomer, conjugated oligomer and optionally solvent and polymerizing the polymer precursor. The ratio between monomer and conjugated oligomer ranges from 99.9/0.1 to 75/25 by weight. The solvent content in the polymer precursor solution is from 0 to 99% by weight. | 09-30-2010 |