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. 11, 2012
Filed:
May. 28, 2008
Applicants:
Kenji Sasaki, Kanagawa, JP;
Hidekazu Kawanishi, Kanagawa, JP;
Yuichi Hamaguchi, Tokyo, JP;
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H05K 1/00 (2006.01); H05K 1/03 (2006.01); H05K 1/02 (2006.01); H05K 1/16 (2006.01); F28D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed to improve reliability by preventing deterioration in the structure of an inner wall of a water channel caused by galvanic corrosion. A heat sink in which a water channel of a cooling fluid is formed by stacking and bonding a plurality of thin plates, in which a surface in the water channel is made of the same metal material except for at least an end of a bonded part of the thin plates.