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:
Jun. 12, 2012
Filed:
Apr. 16, 2008
Applicant:
Hiroshi Noro, Ibaraki, JP;
Inventor:
Hiroshi Noro, Ibaraki, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); C08L 63/06 (2006.01); H01L 23/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to an epoxy resin composition for photosemiconductor element encapsulation, the epoxy resin composition including the following components (A) to (D): (A) an epoxy resin having two or more epoxy groups in one molecule thereof, (B) an acid anhydride curing agent, (C) a curing accelerator, and (D) an alcohol compound having three or more primary hydroxyl groups in one molecule thereof.