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:
Mar. 10, 1998
Filed:
Mar. 09, 1993
Applicant:
Inventors:
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257722 ; 257712 ; 361697 ; 361703 ; 361718 ; 165 803 ;
Abstract
A heat sink comprising a bottom plate and a plurality of fin groups on the bottom plate is disclosed, the plurality of the groups being spaced from one another, and aligned in a matrix form or arranged in a staggered pattern, and each of the group comprising a plurality of plane parallel plates or pins that are integral with the bottom plate.