Publication number: 20220011667
Abstract: Disclosed are a salt represented by formula (I), an acid generator and a resist composition: wherein R1, R2 and R3 each represent I or F, R4, R5, R6, R7, R8 and R9 each represent a halogen atom, a hydroxy group, a haloalkyl group or a hydrocarbon group, X1, X2 and X3 each represent O or S, m1 and m7 represent an integer of 0 to 5, m2, m3, m4, m5, m6, m8 and m9 represent an integer of 0 to 4, in which 0?m1+m7?5, 0?m2+m8?4, 0?m3+m9?4, at least one of m1, m2, m3 represents an integer of 1 or more, X4 represents a single bond, —CH2—, —O—, —S—, —CO—, —SO— or —SO2—, and AI? represents an organic anion.
Type:
Application
Filed:
June 22, 2021
Publication date:
January 13, 2022
Applicant:
SUMITOMO CHEMICAL COMPANY, LIMITED
Inventors:
Katsuhiro KOMURO, Koji ICHIKAWA