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:
Apr. 30, 1991
Filed:
Mar. 20, 1989
Applicant:
Inventor:
Gerard Dehaine, Chatillon, FR;
Assignee:
Bull, S.A., Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ; H01L / ;
U.S. Cl.
CPC ...
165 76 ; 165185 ; 165 803 ; 361386 ; 403404 ; 411909 ;
Abstract
A heat sink of a circuit package for high density integrated circuits is fastened by a spring element that has shape memory. The fastening is carried out in a manner so that the element can be easily removed for disassembly.