Patent ID: 7498116
Filing Date: 2009-03-03
Classification: G03F,Y10S

Abstract:
1. A resist composition comprising: (A) a resin that comprises: (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation: wherein A represents a hydrogen atom, an alkyl group, a hydroxyl group, an alkoxy group, a halogen atom, a cyano group, a nitro group, an acyl group, an acyloxy group, a cycloalkyl group, an aryl group, a carboxyl group, an alkyloxycarbonyl group, an alkylcarbonyloxy group or an aralkyl group, Ra represents a group capable of leaving by the action of an acid or a group capable of decomposing by the action of an acid, each of Rb and Rc independently represents a hydrogen atom, an alkyl group, a hydroxyl group, an alkoxy group, a halogen atom, a cyano group, a nitro group, an acyl group, an acyloxy group, a cycloalkyl group, an aryl group, a carboxyl group, an alkyloxycarbonyl group, an alkylcarbonyloxy group or an aralkyl group, X represents a hydrogen atom or an organic group, Y represents a hydrogen atom or an organic group, Z represents a substituent, p represents an integer of 1 to 4, n represents an integer of 1 to 4 and k represents an integer of 0 to 3, provided that 2≦p+n+k≦5, when p is from 2 to 4, each Y, each Rb and each Rc may be the same as or different from every other Y, every other Rb and every other Rc, respectively, when n is from 2 to 4, each X may be the same as or different from every other X, when k is 2 or 3, each Z may be the same as or different from every other Z, and m represents an integer of 0 to 10.