Patent ID: 8431324
Filing Date: 2013-04-30
Classification: G03F

Abstract:
1. A radiation-sensitive resin composition comprising: a resin essentially consisting of at least one repeating unit selected from the group consisting of a repeating unit shown by a general formula (a-1a), a repeating unit shown by a general formula (a-1b), a repeating unit shown by a general formula (a-1c), a repeating unit including a lactone structure, a repeating unit shown by a general formula (a-3), a repeating unit shown by a general formula (a-4), and a repeating unit shown by a general formula (a-5); a radiation-sensitive acid generator that comprises a compound (I) shown by a following general formula (I); an acid diffusion controller; and a mixed solvent that includes about 50 mass % to about 90 mass % of propylene glycol monomethyl ether acetate, wherein R wherein R wherein R wherein R wherein M