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:
Dec. 09, 2014
Filed:
Mar. 11, 2008
Applicants:
Takayuki Tsuji, Hitachi, JP;
Toshiyuki Horikoshi, Hitachi, JP;
Masato Ito, Hitachi, JP;
Inventors:
Assignee:
Hitachi Metals, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 1/03 (2006.01); H05K 1/09 (2006.01); C25D 11/02 (2006.01); H05K 3/24 (2006.01); H05K 1/11 (2006.01);
U.S. Cl.
CPC ...
H05K 3/24 (2013.01); H05K 2203/0315 (2013.01); H05K 2201/0769 (2013.01); H05K 2201/0326 (2013.01); H05K 1/118 (2013.01);
Abstract
A conductor for a flexible substrate, used for a flexible flat cable or disposed inside a flexible printed-circuit board, according to the present invention comprises: a base conductor made of Cu or Cu-alloy; a plating film made of Sn or Sn-alloy formed on a surface of the base conductor; and a surface oxide film formed on a surface of the plating film, in which the surface oxide film includes oxide of an element other than Sn or a mixture of Sn oxide and oxide of an element other than Sn.