Patent ID: 8658343
Filing Date: 2014-02-25
Classification: G03F

Abstract:
1. A resist composition, comprising a base component (A) which exhibits changed solubility in a developing solution under action of acid, and an acid generator component (B) which generates acid upon exposure, wherein the base component (A) comprises a polymeric compound (A1) having a structural unit (a5) represented by general formula (a5-1) shown below: wherein R represents a hydrogen atom, an alkyl group of 1 to 5 carbon atoms or a halogenated alkyl group of 1 to 5 carbon atoms, X represents a single bond or a divalent linking group, W represents a cyclic alkylene group which may include an oxygen atom at an arbitrary position, each of R a and R b independently represents a hydrogen atom, and p represents an integer of 1 to 3.