Patent ID: 8313886

Claim:
A resist composition comprising: (A) a polymer comprising recurring units of the following general formula (1a′), recurring units of one or multiple types selected from the following general formulae (2a) to (2f), and recurring units of one or multiple types selected from the following general formulae (3a) to (3e), (40a) to (4e) (5a) to (5c), and (6a) to (6e), (B) a polymer which becomes soluble in an alkaline developer under the action of an acid as a base resin, (C) a compound capable of generating an acid upon exposure to high-energy radiation, and (D) an organic solvent, wherein R 1 is hydrogen or methyl, R 3a is selected from the group consisting of 2,2,2-trifluoroethyl, 3,3,3-trifluoro-1-propyl, 3-trifluoro-2-propyl, 2,2,3,3-tetrafluoropropyl, 1,1,1,3,3,3-hexafluoroisopropyl, 2,2,3,3,4,4,4-heptafluorobutyl, 2,2,3,3,4,4,5,5-octafluoropentyl, 2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptyl, 2-(perfluorobutyl)ethyl, 2-(perfluorohexyl)ethyl, 2-(perfluorooctyl)ethyl, and 2-(perfluorodecyl)ethyl, and “a” is an integer of 1, wherein R 1 is hydrogen or methyl, R 4a and R 4b each are hydrogen or a straight, branched or cyclic C 1 -C 15 alkyl group, R 4a and R 4b may bond together to form a C 3 -C 8 non-aromatic ring with the carbon atom to which they are attached, R 5 is hydrogen, a straight, branched or cyclic C 1 -C 15 alkyl or fluoroalkyl group, or an acid labile group, R 6a , R 6b and R 6c each are hydrogen or a straight, branched or cyclic C 1 -C 15 alkyl group, R 6a and R 6b , R 6a and R 6c , or R 6b and R 6c may bond together to form a C 3 -C 8 non-aromatic ring with the carbon atom to which they are attached, R 7a is hydrogen or a straight, branched or cyclic C 1 -C 15 alkyl group, R 7b is a straight, branched or cyclic C 1 -C 15 alkyl group, R 7a and R 7b may bond together to form a C 3 -C 8 -non-aromatic ring with the carbon atom to which they are attached, and R 8 is a straight, branched or cyclic C 1 -C 15 fluoroalkyl group, wherein R is a C 1 -C 15 alkyl or fluoroalkyl group, R 10 is an adhesive group, R 11 is an acid labile group, R 12 is a single bond or a divalent C 1 -C 15 organic group, R 13 and R 14 each are hydrogen, methyl or trifluoromethyl.