Patent ID: 6451496
Filing Date: 2002-09-17
Classification: G03F

Abstract:
A heat-curable photosensitive composition comprising 100 parts by weight of a resin comprising recurring units of the following general structural formula (1) and having a weight average molecular weight of 1,000 to 10,000, 5 to 30 parts by weight of an epoxy compound of the following general structural formula (2), and a solvent therefor, wherein R is hydrogen or a 1,2-naphthoquinonediazido-4- or 5-sulfonate residue, the proportion of the sulfonate residue being 2.5 to 27 mol % of the R groups, m is an integer of 0 to 3, wherein X is hydrogen or an alkyl group of 1 to 6 carbon atoms, Y is a trivalent chainlike or cyclic aliphatic group of 1 to 6 carbon atoms or trivalent aromatic group of 6 to 9 carbon atoms, the letter a is a positive number of 1 to 20, each of b and c is a positive number of 1 to 3, b+c is equal to 4, and d is a number of 0 to 3.