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.

Date of Patent:
Mar. 11, 1986

Filed:

Feb. 29, 1984
Applicant:
Inventors:

David C DeGree, Burnsville, MN (US);

Herbert J Fick, Northfield, MN (US);

Bruce H Juenger, Northfield, MN (US);

Assignee:

The Bergquist Company, Minneapolis, MN (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F28F / ; B32B / ; B32B / ; H05K / ;
U.S. Cl.
CPC ...
165185 ; 174 / ; 1741 / ; 361403 ; 428447 ; 4284735 ;
Abstract

A thermally conductive electrically insulative laminate for use as chassis barriers in combination with solid-state electronic devices, the laminate comprising at least three layers and including a pair of outer layers disposed on opposite sides of a center layer. The center layer comprises a film of a polyimide (amide) filled with a quantity of either aluminum oxide or boron nitride particulate solids and included in an amount ranging from between about 10% to about 50% by volume. The outer layers consist essentially of silicone base rubber, and are preferably filled with a quantity of aluminum oxide or boron nitride particulate solids in an amount ranging from between about 25% and 50% by volume.


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