Patent ID: 9067909
Filing Date: 2015-06-30
Classification: C07D,G03F

Abstract:
1. A photoacid generator compound having the formula (1) wherein n is zero or 1; and R wherein L is an unsubstituted or substituted C 1-50 divalent group; Z − is a monovalent anionic group selected from carboxylate, sulfate, sulfonate, sulfamate, sulfonamidate, and sulfonimidate; and M + is a cation selected from disubstituted iodonium ions and trisubstituted sulfonium ions; wherein R′ and R 2 can be taken together to form a ring; R wherein L is an unsubstituted or substituted C 1-50 divalent group; Z − is a monovalent anionic group selected from carboxylate, sulfate, sulfonate, sulfamate, sulfonamidate, and sulfonimidate; and M + is a cation selected from disubstituted iodonium ions and trisubstituted sulfonium ions; wherein R R provided that no more than two rings are collectively formed by R provided that one of R′, R R R R