Patent ID: 7642018
Filing Date: 2010-01-05
Classification: G03F,G11B

Abstract:
1. A photosensitive resin composition comprising: (a) a polymer mainly composed of a repeating unit represented by the following general formula (I); (b) a dissolution accelerator for a developing solution, wherein the dissolution accelerator is a benzenesulfonamide derivative; and (c) a solvent: wherein R 1 is a trivalent or tetravalent organic group, R 2 is a bivalent organic group, R is a monovalent organic group having a carbon-carbon unsaturated double bond or a group represented by O − M + in which the compound having the carbon-carbon unsaturated double bond is ionically bonded, at least one carbon-carbon unsaturated double bond is contained in all repeating units, m is an integer of 2 or more, and n is 1 or 2, and wherein M + represents a hydrogen ion or a cation composed of hydrogen and a compound having the carbon-carbon unsaturated double bond.