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. 18, 1984
Filed:
Mar. 17, 1982
Applicant:
Inventors:
Noboru Shimamoto, Gunma, JP;
Tokio Sekiya, Gunma, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428447 ; 428215 ; 428446 ;
Abstract
The invention provides an electrically insulating spacer sheet of a silicone rubber used as sandwiched between a heat-generating electric or electronic device or unit, e.g. power transistor, and a heat radiator capable of dissipating the heat with improved heat conductivity. Different from conventional ones, the inventive spacer sheet has coating layers on both surfaces formed of a non-volatile flowable or deformable silicone material so that the condition of adhesive contacting can be greatly improved and the resistance against thermal flow across the spacer sheet can be decreased very much.