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:
Apr. 15, 2014
Filed:
Nov. 02, 2012
Applicant:
Sumitomo Bakelite Co., Ltd., Tokyo, JP;
Inventors:
Takahiro Kotani, Tochigi, JP;
Hidetoshi Seki, Tochigi, JP;
Masakatsu Maeda, Tochigi, JP;
Kazuya Shigeno, Tochigi, JP;
Yoshinori Nishitani, Tochigi, JP;
Assignee:
Sumitomo Bakelite Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 7/18 (2006.01); C08K 3/04 (2006.01); C08K 3/36 (2006.01); C08L 63/02 (2006.01); H01L 23/29 (2006.01);
U.S. Cl.
CPC ...
Abstract
An epoxy resin composition for encapsulating a semiconductor chip according to this invention comprises (A) a crystalline epoxy resin, (B) a phenol resin represented by general formula (1):