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:
Sep. 06, 2011
Filed:
Sep. 15, 2008
Yoshiaki Kobayashi, Tokyo, JP;
Yoshiaki Kobayashi, Tokyo, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
A material for electric sliding contact comprising, on a conductive substrate, a first layer composed of a noble metal or an alloy comprising the noble metal as a major component with an arithmetic average roughness Ra of (A) μm and, as an upper layer of the first layer, a second layer composed of a noble metal or an alloy comprising the noble metal as a major component with a covering thickness of from 0.001×(A) μm or more to (A) μm or less, wherein the noble metal forming the second layer or the noble metal as a major component of the alloy forming the second layer is a different element from the noble metal forming the first layer or the noble metal as a major component of the alloy forming the first layer.