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:
Jan. 15, 2002
Filed:
Jun. 20, 2000
Applicant:
Inventors:
Assignee:
Furakawa Electric Co., Inc., , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/16 ; C08K 3/22 ; C08K 9/00 ;
U.S. Cl.
CPC ...
B32B 5/16 ; C08K 3/22 ; C08K 9/00 ;
Abstract
A heat-conductive rubber composition material, which comprises a rubber essentially consisting of an acrylic rubber, a butyl rubber, an ethylene propylene rubber or a blended rubber which comprises at least two of acrylic rubber, butyl rubber, and ethylene propylene rubber are blended, and 50 to 85 weight % of hydrophobic magnesium oxide powder, a heat-conductive rubber sheet prepared by forming the above thermal conductive rubber composition material, and a heat-conductive sheet, which comprises a soft metal sheet and a rubber layer formed on at least one surface of the soft metal sheet.