Patent ID: 11947258
Assignee: ROHM AND HAAS ELECTRONIC MATERIALS LLC
Field: Organic fine chemistry (Chemistry)
Classification: CPC G  C | IPC C  G

Claim 15:
16. The photoresist composition of claim 9, wherein M+ has a structure:, , wherein,
R4, R5, R6, R7, R8, R9, and R10 are each independently a halogen, —CN, —OH, a C1-10 alkyl group, a C1-10 fluoroalkyl group, a C1-10 alkoxy group, a C1-10 fluoroalkoxy group, a C3-10 cycloalkyl group, a C3-10 fluorocycloalkyl group, a C3-10 cycloalkoxy group, or a C3-10 fluorocycloalkoxy group, each of which except a halogen, —CN, and —OH is substituted or unsubstituted;
J is a single bond or a connecting group selected from S, O, and C═O;
each occurrence of p is independently an integer of 0, 1, 2, 3, or 4;
r is 0, 1, 2, 3, 4, or 5; and
s and t are each independently 0, 1, 2, 3, or 4, wherein R4, R5, R6, R7, R8, R9, and R10 each independently optionally comprises an acid cleavable group.