Patent ID: 8771907
Filing Date: 2014-07-08
Classification: C08F,G03F,Y10T

Abstract:
1. A positive photosensitive resin composition comprising (A1) a resin containing any of structural units of general formula (1) below, which resin is insoluble in alkali or sparingly soluble in alkali but when its acid-dissociative group is dissociated, becomes soluble in alkali; (A2) a polymer or copolymer containing a structural unit derived from a radical-polymerizable monomer containing an epoxy group; (B) a compound containing two or more epoxy groups in its molecule, provided that the polymer or copolymer (A2) is not included in this compound; and (C) a compound that when exposed to actinic rays of 300 nm or longer wavelength, generates an acid, in which R each of R R provided that R