Patent ID: 11880134
Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Field: Organic fine chemistry (Chemistry)
Classification: CPC G  C | IPC C  G

Claim 0:
1. A photoresist composition, comprising:
a resin; and
one or more salts of Formula (I):, wherein,
R1, R2, and R3 are each independently a C6-60 aryl group, a C6-20 fluoroaryl group, a C1-20 heteroaryl group, a non-fluorinated C1-20 alkyl group, a non-fluorinated C3-20 cycloalkyl group, a C2-20 alkenyl group, or a C2-20 fluoroalkenyl group, each of which is substituted or unsubstituted,
wherein each R1 is either separate or connected to R2 and/or R3 to form a ring,
Z comprises a counter anion comprising an inorganic group selected from SbF6−, BF4−, or B(C6F5)4×, a carboxylate, or an anion of a sulfonamide, and wherein the one or more salts comprises one or more acid-labile groups.