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:
Mar. 29, 2011
Filed:
Mar. 16, 2006
Takashi Kimura, Osaka, JP;
Kenichi Sano, Osaka, JP;
Takashi Kimura, Osaka, JP;
Kenichi Sano, Osaka, JP;
Hitachi Maxell, Ltd., Ibaraki-shi, JP;
Abstract
A flat-shaped battery according to the present invention includes: an outer can having an opening at its upper end; a gasket disposed at an inner edge of the opening; and a sealing plate that seals the opening together with the gasket. In this flat-shaped battery, the outer can houses a power generation element, the sealing plate is fixed to the inner edge of the opening of the outer can via the gasket by caulking, a nickel or nickel-containing plating layer having a thickness in a range from 1 to 10 μm is formed on an outer surface of a base composing the outer can, and a gold or gold-containing plating layer is formed on an outer surface of the nickel or nickel-containing plating layer.