| 摘要 |
A positive resist composition that includes a resin component (A) and an acid generator component (B), wherein the component (A) includes a polymer compound (A1) having a structural unit (a0) represented by a general formula (a0) shown below, and a structural unit (a1), which is derived from an (alpha-lower alkyl) acrylate ester containing an acid-dissociable, dissolution-inhibiting group and is not classified as the structural unit (a0): (wherein, R represents a hydrogen atom or a lower alkyl group; Y1 represents an aliphatic cyclic group; Z represents an alkoxyalkyl group; a represents an integer from 1 to 3, and b represents either 0 or an integer from 1 to 2, provided that a+b=1 to 3).
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