Patent ID: 6878502
Filing Date: 2005-04-12
Classification: G03F,Y10S

Abstract:
1. A positive resist composition comprising: (A) a resin which decomposes by the action of acid to increase the solubility in an alkali developer, the resin comprising: a repeating unit (1) represented by the following general formula (I); a repeating unit (2) represented by the following general formula (II) that is copolymerizable with the repeating unit represented by the general formula (I) and has the function of decomposing by the action of acid to increase the solubility of the resin in an alkali developer; and a repeating unit (3) that is inactive to the action of acid and free of an alkali-soluble group; and (B) a compound capable of generating an acid upon irradiation with one an actinic ray and a radiation: wherein R wherein R wherein R