Patent ID: 8034529
Filing Date: 2011-10-11
Classification: G03F

Abstract:
1. A photosensitive resin composition comprising (a) a compound obtained by reacting a polybasic acid anhydride with the phenolic hydroxyl groups of a novolac-type phenol resin, and (b) a 1,2-quinonediazide compound, wherein component (a) is obtained by reacting the polybasic acid anhydride at 0.10-0.80 mol with respect to 1 mol of the phenolic hydroxyl groups in the novolac-type phenol resin, component (a) has in the molecule at least one divalent group represented by the following general formula (A): [in formula (A), R represents a carboxylic anhydride residue], and component (b) is a compound obtained by reacting an organic compound having a hydroxyl and/or amino group with a 1,2-quinonediazide compound having a sulfo and/or sulfonyl chloride group, and the organic compound having a hydroxyl and/or amino group is a compound represented by any one of the following general formulas (1)-(3): [in formulas (1)-(3), R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 each independently represent hydrogen atom, substituted or unsubstituted C1-5 alkyl group or substituted or unsubstituted C1-5 alkoxy group, and X represents a single bond, oxygen atom or phenylene group].