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:
Jan. 28, 2014
Filed:
Aug. 10, 2012
Yoshiaki Kobayashi, Tokyo, JP;
Satoru Zama, Tokyo, JP;
Satoshi Suzuki, Tokyo, JP;
Masato Ohno, Tokyo, JP;
Yoshiaki Kobayashi, Tokyo, JP;
Satoru Zama, Tokyo, JP;
Satoshi Suzuki, Tokyo, JP;
Masato Ohno, Tokyo, JP;
Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
A silver-coated composite material for movable contact parts, which has: an underlying layer composed of any one of nickel, cobalt, a nickel alloy, and a cobalt alloy at least provided on a part of the surface of a stainless steel substrate; an intermediate layer composed of copper or a copper alloy provided thereon; and a silver or silver alloy layer provided thereon as an outermost layer, wherein a thickness of the intermediate layer is 0.05 to 0.3 μm, and wherein an average grain size of the silver or silver alloy provided as the outermost layer is 0.5 to 5.0 μm.