The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2015
Filed:
Aug. 19, 2010
Kazufumi Kato, Tokyo, JP;
Rumina Obi, Tokyo, JP;
Ikuo Ueno, Tokyo, JP;
Asahi Kasei Fibers Corporation, Osaka-Shi, JP;
Abstract
There is provided a high performance solid electrolytic capacitor that can be manufactured stably. The present invention provides the solid electrolytic capacitor comprising an anode foil and a cathode foil, and a separator arranged between the anode foil and the cathode foil, wherein the anode foil, the cathode foil, and the separator are wound around, so that the separator is intervened between the anode foil and the cathode foil, the anode foil has a dielectric oxide film layer, the separator comprises a solid electrolyte and a nonwoven fabric holding the solid electrolyte, the nonwoven fabric composing the separator is a laminated nonwoven fabric having at least two layers of the nonwoven fabric layers, and the laminated nonwoven fabric comprises a nonwoven fabric layer (layer I) composed of ultra fine fiber having a fiber diameter of 0.1 to 4 μm, and a nonwoven fabric layer (layer II) composed of a thermoplastic resin fiber having a fiber diameter of 6 to 30 μm.