Abstract: 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.

Abstract: A capacitor and a method of making a capacitor, is provided with improved reliability performance. The capacitor comprises an anode; a dielectric on the anode; and a cathode on the dielectric wherein the cathode comprises a conductive polymer and a polyanion wherein the polyanion is a copolymer comprising groups A, B and C represented by Formula AxByCz as described herein.

Abstract: A capacitor with improved lead frame attachment is described wherein the improved lead frame attachment mitigates defects. The capacitor comprises parallel conductive internal electrodes of alternating polarity with a dielectric between the conductive internal electrodes. A first copper undercoat is in electrical contact with the conductive internal electrodes of a first polarity and a second copper undercoat is in electrical contact with conductive internal electrodes of a second polarity. A first lead is in electrical contact with the first copper undercoat with a first solder between the first lead and the first copper undercoat. A second lead is in electrical contact with the second copper undercoat with a second solder between the second lead and the second copper undercoat.

Abstract: 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.

Abstract: A method for forming a high aspect ratio sintered powder anode with low warpage, an anode made thereby and a cathode comprising the anode are provided. The method comprises placing a multiplicity of anode precursors on a forming substrate in a common plane wherein no more than 10% of the anode precursors are out of the common plane. A second substrate is then placed over the forming substrate with the anode precursors between the forming substrate and the second substrate thereby forming a sandwiched assembly. The sandwiched assembly is heated to a sintering temperature of the anode precursors thereby forming the sintered powder anodes. The and sintered powder anodes are removed from between the forming substrate and the second substrate.

Abstract: A method for manufacturing a solid electrolytic capacitor and an improved capacitor formed thereby is described. The method includes forming a dielectric on an anode at a formation voltage; forming a conductive polymer layer on the dielectric; and reforming the dielectric in a reformation electrolyte at a reformation voltage wherein the reformation electrolyte comprises a thermal degradation inhibitor.

Abstract: Provided herein is an improved capacitor and a method for forming an improved capacitor. The method includes providing an anode and forming a dielectric on the anode. A linear-hyperbranched polymer is formed and a conductive polymer dispersion is prepared comprising at least one conducting polymer, one polyanion and the linear-hyperbranched polymer. A layer of the conductive polymer dispersion if formed wherein said dielectric is between the anode and the layer.

Abstract: Provided herein is an improved capacitor and a method for forming an improved capacitor. The method includes providing an anode and forming a dielectric on the anode. A linear-hyperbranched polymer is formed and a conductive polymer dispersion is prepared comprising at least one conducting polymer, one polyanion and the linear-hyperbranched polymer. A layer of the conductive polymer dispersion if formed wherein said dielectric is between the anode and the layer.

Abstract: An improved capacitor and a method for forming an improved capacitor is detailed. The method comprises forming a tantalum anode from a tantalum powder with a powder charge of no more than 40,000 ?C/g; forming a dielectric on the anode by anodization at a formation voltage of no more than 100 V; and forming a conductive polymeric cathode on the dielectric wherein the capacitor has a breakdown voltage higher than the formation voltage.

Abstract: 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.

Abstract: A process for providing an improved hermetically sealed capacitor which includes the steps of applying a solder and a flux to an interior surface of a case; flowing the solder onto the interior surface; remove flux thereby forming a flux depleted solder; inserting the capacitive element into the casing; reflowing the flux depleted solder thereby forming a solder joint between the case and the solderable layer; and sealing the case.

Abstract: 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.

Abstract: 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.

Abstract: A process for preparing a solid electrolytic capacitor comprising application of coverage enhancing catalyst followed by application of a conducting polymer layer wherein the conductive polymeric cathode comprises the coverage enhancement catalyst wherein the conductive polymeric layer has improved coverage of the corners and edges. Coverage enhancing catalyst is removed after coating and curing.

Abstract: A capacitor with improved lead frame attachment is described wherein the improved lead frame attachment mitigates defects. The capacitor comprises parallel conductive internal electrodes of alternating polarity with a dielectric between the conductive internal electrodes. A first copper undercoat is in electrical contact with the conductive internal electrodes of a first polarity and a second copper undercoat is in electrical contact with conductive internal electrodes of a second polarity. A first lead is in electrical contact with the first copper undercoat with a first solder between the first lead and the first copper undercoat. A second lead is in electrical contact with the second copper undercoat with a second solder between the second lead and the second copper undercoat.

Abstract: A capacitor has first planer internal electrodes in electrical contact with a first external termination. Second planer internal electrodes are interleaved with the first planer internal electrodes wherein the second planer internal electrodes are in electrical contact with a second external termination. A dielectric is between the first planer internal electrodes and the second planer internal electrodes and at least one of the external terminations comprises a material selected from a polymer solder and a transient liquid phase sintering adhesive.

Abstract: A solid electrolytic capacitor with an anode and a dielectric on the anode. A cathode is on the dielectric and a conductive coating on the 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.

Abstract: A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer.

Abstract: 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.

Abstract: A process for preparing a solid electrolytic capacitor comprising application of a non-ionic polyol prior to application of a conducting polymer layer.