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. 18, 2019
Filed:
Nov. 05, 2013
Applicant:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Inventors:
Kenichi Iwashita, Hitachi, JP;
Yasuharu Murakami, Hitashi, JP;
Hanako Yori, Tsukuba, JP;
Tetsuya Kato, Hitachi, JP;
Assignee:
HITACHI CHEMICAL COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/16 (2006.01); G03F 7/20 (2006.01); G03F 7/32 (2006.01); G03F 7/38 (2006.01); G03F 7/40 (2006.01); H05K 1/03 (2006.01); H05K 3/28 (2006.01); H05K 3/46 (2006.01); G03F 7/038 (2006.01); H01L 21/02 (2006.01); H01L 21/311 (2006.01); C08G 59/24 (2006.01); C08G 59/62 (2006.01); C08G 59/68 (2006.01); C08L 63/00 (2006.01); C09D 163/00 (2006.01); C08K 5/375 (2006.01); C08L 61/04 (2006.01); C08L 61/06 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0385 (2013.01); C08G 59/24 (2013.01); C08G 59/621 (2013.01); C08G 59/68 (2013.01); C08L 63/00 (2013.01); C09D 163/00 (2013.01); G03F 7/038 (2013.01); G03F 7/16 (2013.01); G03F 7/20 (2013.01); G03F 7/322 (2013.01); G03F 7/38 (2013.01); G03F 7/40 (2013.01); H01L 21/02118 (2013.01); H01L 21/311 (2013.01); H05K 3/287 (2013.01); H05K 3/4661 (2013.01); H05K 1/0353 (2013.01);
Abstract
Provided is a photosensitive resin composition comprising (A) a resin having a phenolic hydroxyl group; (B) an aliphatic or alicyclic epoxy compound having two or more oxirane rings; (C) a photosensitive acid generator; and (D) a solvent; wherein the photosensitive resin composition comprises 20 to 70 parts by mass of the component (B) relative to 100 parts by mass of the component (A).