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:
Aug. 18, 2009
Filed:
Mar. 19, 2004
Applicants:
Tatsuo Kubouchi, Ome, JP;
Hitoshi Iwasaki, Ome, JP;
Makoto Shimizu, Ome, JP;
Inventors:
Assignee:
Nippon Chemi-Con Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plurality of anode foils () and a plurality of cathode foils () respectively having connecting portions () are alternately arranged with insulating separators () interposed therebetween. The connecting portions () of the stacked electrode foils () are respectively connected and united electrically and mechanically by friction stir welding, thereby forming a capacitor element (). The capacitor element () is housed in a case (), and the connecting portions () are respectively connected to a positive electrode external terminal () and a negative electrode external terminal ().