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:
Oct. 13, 2009
Filed:
Apr. 21, 2006
Applicants:
Hiromi Ito, Tokyo, JP;
Osamu Yashiro, Tokyo, JP;
Inventors:
Hiromi Ito, Tokyo, JP;
Osamu Yashiro, Tokyo, JP;
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thermally conductive resin sheet includes a thermosetting resin, and a thermally conductive and electrically insulating inorganic filler. The inorganic filler is a mixture of a flat inorganic filler and a granular inorganic filler. The ratio of the volume content, V, of the flat inorganic filler to volume content, V, of the granular inorganic filler in the mixture is from 30/70 to 80/20, in terms of V/V.