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:
Nov. 03, 2009
Filed:
Mar. 17, 2004
Applicant:
Chiyoshi Sasaki, Tokyo, JP;
Inventor:
Chiyoshi Sasaki, Tokyo, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); H01L 23/34 (2006.01); H01B 7/42 (2006.01); B21D 53/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A heat sink comprising: a heat dissipating portion comprising a plurality of metal fins each having a heat receiving portion and a heat dissipating portion having elasticity; a fin fixing member to transfix said plurality of metal fins; a metal plate having a plurality of slits into which said respective heat dissipating portions are inserted and press-connected thereto with use of said elasticity; and a joining portion to join said metal plate and said heat dissipating portions which are inserted into said respective slits and fixed thereto.