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. 24, 1998

Filed:

Dec. 01, 1995
Applicant:
Inventors:

Toshio Shiobara, Gunma-ken, JP;

Kazuhiro Arai, Gunma-ken, JP;

Kazuo Dobashi, Gunma-ken, JP;

Tadaharu Ikeda, Gunma-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
523466 ; 525481 ; 528 98 ; 528104 ; 528117 ;
Abstract

A epoxy resin composition comprising (A) an epoxy resin bearing at least one monovalent hydrocarbon group on a benzene ring, (B) a phenolic resin, (C) an inorganic filler, and (D) 2-phenyl-4,5-dihydroxymethylimidazole as a curing accelerator has a low melt viscosity, a long gel time and a high curing rate, and provides cured products having improved properties. Semiconductor devices encapsulated with cured products of the inventive composition are reliable.


Find Patent Forward Citations

Shiobara, Toshio. (1998). Semiconductor encapsulating epoxy resin compositions with (U.S. Patent No. 5731370). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5731370

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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