Patent ID: 7232643
Filing Date: 2007-06-19
Classification: G03F

Abstract:
1. A positive resist composition comprising: a resin component (A) which contains an acid dissociable dissolution inhibiting group and displays increased alkali solubility under action of acid; an acid generator component (B) that generates acid on exposure; and a compound (C) represented by a general formula (1) shown below: (wherein, each R 1 group and each R 3 group represents, independently, a hydrogen atom, an alkyl group of 1 to 3 carbon atoms, or a cycloalkyl group of 4 to 6 carbon atoms, provided at least one of said R 1 and R 3 groups is a cycloalkyl group of 4 to 6 carbon atoms, n represents an integer from 1 to 3, R 2 represents an alkyl group of 1 to 3 carbon atoms, and X represents an alkylene group of either 4 or 5 carbon atoms).