Patent application number | Description | Published |
20090159323 | SOLID ELECTROLYTIC CAPACITOR HAVING CURRENT BREAKING FUNCTION - A solid electrolytic capacitor that can be miniaturized while maintaining the function for breaking current when excessive short-circuit current flows to a capacitor element. The solid electrolytic capacitor includes an anode body, a dielectric layer formed on the anode body, a conductive polymer layer formed on the dielectric layer, and a cathode layer formed on the conductive polymer layer. The conductive polymer layer contains thermally expandable graphite. | 06-25-2009 |
20100079930 | SOLID ELECTROLYTIC CAPACITOR AND A METHOD FOR MANUFACTURING SAME - A first solid electrolytic capacitor according to the present invention comprises a capacitor element, an exterior resin covering the capacitor element, an anode terminal, a cathode terminal, and a metal wire. The capacitor element comprises an anode body from which an anode lead is extracted, a dielectric layer formed on a surface of the anode body, and a cathode layer formed on the dielectric layer. The anode terminal and the cathode terminal are electrically connected to the anode lead and the cathode layer, respectively, and extracted to an outer surface of the exterior resin, the anode terminal including an opposing part opposed to the anode lead in the exterior resin. The metal wire includes both ends connected to the opposing part and a curving part, and is provided to the anode lead, and at least a part of the curving part is electrically connected to the anode lead. | 04-01-2010 |
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 |
Patent application number | Description | Published |
20080259529 | SOLID ELECTROLYTIC CAPACITOR AND METHOD OF MANUFACTURING SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor includes an anode substrate, a dielectric layer provided on the anode substrate, a first cathode layer provided on the dielectric layer, and a second cathode layer provided on the first cathode layer. The first cathode layer is a layer made of polyethylenedioxythiophene and polypyrrole. The second layer is a layer made of polypyrrole. | 10-23-2008 |
20090080143 | SOLID ELECTROLYTE CAPACITOR - A solid electrolyte capacitor that prevents the capacitance from decreasing. The solid electrolyte capacitor includes an anode, a cathode, and a dielectric layer, which is arranged between the anode and the cathode in contact with the cathode. The dielectric layer includes a plurality of recesses arranged at an interface between the dielectric layer and the cathode. | 03-26-2009 |
20090128996 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor that prevents leakage current from increasing. The solid electrolytic capacitor includes an anode, a cathode, and a dielectric layer arranged between the anode and the cathode in contact with the cathode. The dielectric layer includes a plurality of recesses arranged in the surface of the dielectric layer, each recess having an opening in an interface with the cathode. Each of the recesses has a depth that is 0.1 to 1.5 times the diameter of the opening. | 05-21-2009 |
20090135551 | SOLID ELECTROLYTIC CAPACITOR AND METHOD FOR MANUFACTURING THE SAME - A method for manufacturing a solid electrolytic capacitor that prevents leakage current from increasing. The method includes preparing a capacitor element including an anode body, which has an anode lead, and a cathode layer; preparing a lead terminal including an anode terminal, a cathode terminal, and a first insulative member which connects the anode terminal and cathode terminal; connecting the lead terminal and the capacitor element by bonding the anode terminal and the anode lead and bonding the cathode terminal and the cathode layer; and molding a package resin around the capacitor element. | 05-28-2009 |
20090161299 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor including an anode body, a dielectric layer arranged on the anode body, a conductive polymer layer arranged on the dielectric layer, and a cathode layer including a carbon layer arranged on the conductive polymer layer and a silver layer arranged on the carbon layer. The conductive polymer layer includes ridges and valleys formed in a surface that faces toward the cathode layer. The silver layer includes a first silver layer, which is arranged on the carbon layer, covers the ridges and valleys, and mainly contains spherical silver particles, and a second silver layer, which is arranged on the first silver layer and mainly contains silver flakes. | 06-25-2009 |
20090231782 | SOLID ELECTROLYTIC CAPACITOR - A solid electrolytic capacitor that suppresses capacitance decrease caused by thermal loads. The solid electrolytic capacitor includes an anode body, a dielectric layer formed on a surface of the anode body, a conductive polymer layer formed on the dielectric layer, and a cathode layer formed on the conductive polymer layer. The conductive polymer layer contains a filler material having a negative linear expansion coefficient. | 09-17-2009 |