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.:

US 9090796 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 28, 2015

Filed:

Nov. 08, 2012
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventors:

Tomokazu Tanase, Hitachinaka, JP;

Hiroyuki Kagawa, Hitachiaka, JP;

Satoru Amou, Hitachi, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/06 (2006.01); C08L 79/04 (2006.01); C09D 167/00 (2006.01); C08K 5/17 (2006.01); C08K 3/34 (2006.01); C09D 7/12 (2006.01); C09D 179/04 (2006.01); C08K 9/04 (2006.01); B82Y 30/00 (2011.01); H01B 3/30 (2006.01); C08K 5/00 (2006.01);
U.S. Cl.
CPC ...
C09D 167/00 (2013.01); C08G 73/0644 (2013.01); C08G 73/0655 (2013.01); C08G 73/0661 (2013.01); C08K 3/346 (2013.01); C08K 5/17 (2013.01); C08K 9/04 (2013.01); C08L 79/04 (2013.01); C09D 7/1225 (2013.01); C09D 7/1291 (2013.01); C09D 179/04 (2013.01); B82Y 30/00 (2013.01); C08K 5/0091 (2013.01); H01B 3/303 (2013.01); H01L 2224/32245 (2013.01); H01L 2224/48091 (2013.01); H01L 2224/48247 (2013.01); H01L 2224/73265 (2013.01);
Abstract

The present invention provides an organic-inorganic composite material having excellent thermal stability, electrical insulation and adhesiveness. The organic-inorganic composite material includes a resin composed of a triazine ring and obtained by thermally curing a varnish containing a mixture of a layered clay mineral (clay) subjected to interlayer modification with a curing catalyst for a cyanate ester compound and a cyanate ester compound, wherein the amount of the clay is from 0.1 to 12 wt % of the amount of the cyanate ester compound. The invention also provides a varnish which gives the organic-inorganic composite material, and an electrical device and a semiconductor device, each of which includes the organic-inorganic composite material.


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