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:
Sep. 29, 2020
Filed:
Mar. 09, 2017
Toray Industries, Inc., Tokyo, JP;
Yohei Konoshima, Otsu, JP;
Mitsuhito Suwa, Otsu, JP;
Chika Hibino, Otsu, JP;
Yuka Yamashiki, Otsu, JP;
TORAY INDUSTRIES, INC., Tokyo, JP;
Abstract
An object of the present invention is to provide a transparent photosensitive material that is usable as an interlayer insulating film for metal wires, is excellent in migration resistance and substrate adhesiveness under high temperature and high humidity conditions, and is satisfactory in patternability. The photosensitive resin composition of the present invention contains an acrylic polymer (A1) having, in a side chain thereof, a polymerizable group, a cardo based resin (A2) having a polymerizable group and an alkali-soluble group, and a photopolymerization initiator (B), and contents of the acrylic polymer (A1) and the cardo based resin (A2) satisfy a weight ratio of 1:10 to 10:1.