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:
Apr. 16, 2013
Filed:
Sep. 23, 2009
Applicants:
Gaku Harada, Kawanishi, JP;
Takeshi Sano, Takatsuki, JP;
Miwa Ogawa, Hirakata, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Moriguchi-Shi, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01G 9/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A solid electrolytic capacitor comprising an anode composed of a valve metal or its alloy, a dielectric layer formed on a surface of the anode, a coupling agent layer formed by subjecting the dielectric layer to a surface treatment with a coupling agent having a phosphonic acid group, a conductive polymer layer formed on the coupling agent layer, and a cathode layer formed on the conductive polymer layer.