Patent ID: 7816066

Claim:
A positive resist composition, comprising: a resin component (A) which contains an acid dissociable, dissolution inhibiting group and exhibits increased alkali solubility under an action of an acid; and an acid generator component (B) which generates an acid upon exposure and includes an acid generator (B1) represented by general formula (B1): (wherein R 51 represents a straight chain, branched chain, or cyclic alkyl group, or a straight chain, branched chain, or cyclic fluorinated alkyl group; R 52 represents a hydrogen atom, a hydroxyl group, a halogen atom, a straight chain, branched chain, or cyclic alkyl group, a straight chain or branched chain halogenated alkyl group, or a straight chain or branched chain alkoxy group; and R 53 represents either a phenyl group or a phenyl group with a lower alkyl group having no more than 5 carbon atoms as a substituent; and wherein n represents an integer of 3).