申请人:TAKEMOTO Ichiki
公开号:US20100075257A1
公开(公告)日:2010-03-25
A resin comprising a structural unit represented by the formula (I):
wherein Q
1
and Q
2
represent a fluorine atom etc., U represents a C1-C20 divalent hydrocarbon group in which one or more —CH
2
— may be replaced by —O— etc., X
1
represents —O—CO— etc., and A
+
represents an organic counter ion.