Patent ID: 7455950

Claim:
A resist material comprising: a polymeric material made of a unit represented by a general formula of the following Chemical Formula 1; and an acid generator for generating an acid through irradiation with light: wherein R 1 , R 2 and R 3 are the same or different and are a hydrogen atom, a fluorine atom, or a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20; R is a hydrogen atom, a straight-chain alkyl group, a branched or cyclic alkyl group or a fluoridated alkyl group with a carbon number not less than 1 and not more than 20; m≧0, n≧0, s>0 (whereas excluding m=n=0) and 1≦k≦3.