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:
Jan. 21, 2020
Filed:
Nov. 28, 2017
Fujifilm Corporation, Tokyo, JP;
Takeshi Kawabata, Haibara-gun, JP;
Takuma Amemiya, Haibara-gun, JP;
Hidekazu Oohashi, Haibara-gun, JP;
Yu Iwai, Haibara-gun, JP;
Akinori Shibuya, Haibara-gun, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A photosensitive resin composition using a polyimide precursor composition, a cured film, a method for producing a cured film, a semiconductor device, and a method for producing a polyimide precursor composition are provided. In the polyimide precursor composition, the molar ratio of repeating units represented by General Formula (1-2) among structural isomers of the polyimide precursor is 60% to 90% by mole. In General Formula (1-2), Aand Aeach independently represents an oxygen atom or NH, Rand Reach independently represents a single bond or a divalent organic group, and Rand Reach independently represents a hydrogen atom or a monovalent organic group.