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. 21, 2015
Filed:
May. 31, 2013
Applicant:
Shin-etsu Chemical Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/038 (2006.01); G03F 7/004 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0041 (2013.01);
Abstract
A photo-curable resin composition comprising an epoxy-containing polymer, a photoacid generator in the form of an onium salt having tetrakis(pentafluorophenyl)borate anion, a solvent, and optionally an epoxy resin crosslinker forms a coating which serves as a protective film for the protection of electric/electronic parts.