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. 28, 1999
Filed:
Jun. 05, 1997
Applicant:
Inventors:
Mitsuru Amou, Usa, JP;
Koji Mehara, Usa, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
F01D / ; H05K / ;
U.S. Cl.
CPC ...
415178 ; 4152111 ; 4152112 ; 361697 ;
Abstract
A heat sink apparatus for cooling a highly heat-generative semiconductor device in which a base of a heat sink is made larger in volume in its central portion than in its peripheral portion.