Patent ID: 7507518
Filing Date: 2009-03-24
Classification: G03F

Abstract:
1. A photosensitive resin precursor composition comprising: (a) a polymer comprising a structural unit expressed by formula (1): wherein R (b) at least two photo acid generators wherein at least one of said at least two photo acid generators is a quinone diazide compound, and at least one of said at least two photo acid generators is selected from the group consisting of sulfonium salts, phosphonium salts, and diazonium salts; and (c) a compound having an alkoxymethyl group; and (d) a compound expressed by formulas (3) or (4): wherein Ar wherein the photosensitive resin precursor composition is a positive photosensitive resin precursor composition, further wherein the compound expressed by formulas (3) or (4) is mixed in the polymer comprising the structural unit expressed by formula (1) to form an integral mix of the compound expressed by formulas (3) or (4) and the polymer comprising the structural unit expressed by formula (1).