Patent ID: 8092979
Filing Date: 2012-01-10
Classification: C08F,G03F,Y10S

Abstract:
1. A resist polymer, comprising: a constitutional unit represented by formula (2), a constitutional unit having an acid-dissociable group, and a constitutional unit having a lactone skeleton that is represented by at least one selected from the group consisting of formulas (4-1), (4-2), (4-3), (4-5), (4-6), and (4-10): wherein, in formula (2), R wherein, in formula (4-1), R in formula (4-2), R in formula (4-3), R in formula (4-5), R in formula (4-6), R in formula (4-10), each of R wherein said constitutional unit having an acid-dissociable group is a constitutional unit represented by formula (3-5): wherein, in formula (3-5), R