Patent ID: 8871427

Claim:
A positive resist composition comprising: (A) a resin having repeating units shown by the following general formula (1) and general formula (2) as repeating units that contain acid labile groups and being capable of increasing its alkaline solubility by an acid: where: R 1 represents a linear or a branched alkyl group having 1 to 10 carbon atoms; and “n” represents an integer of 1 to 3; (B) a photoacid generator, (C) a compound shown by the following general formula (3): where R 2 represents a linear or a branched alkyl group having 10 to 20 carbon atoms and optionally containing an ether bond and an ester bond; and (D) a solvent, wherein the photoacid generator (B) is: a sulfonium salt containing an anion represented by the following formula (7): a sulfonium salt containing an anion represented by the following formula (8):