Patent ID: 11966162
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Optics (Instruments)
Classification: CPC G  B | IPC B  G

Claim 14:
15. A composition, comprising:
a photoacid generator; and
a polymer having a polymer backbone comprising one or more groups selected from:, wherein the polymer comprises 40 wt. % to 70 wt. % of groups B, C-1, and C-2 based on a total polymer weight,
ALG is an acid labile group selected from the group consisting of, X is a linking group selected from the group consisting of a substituted or unsubstituted C6-C30 aryl group, C1-C30 alkyl group, C3-C30 cycloalkyl group, C1-C30 hydroxylalkyl group, C2-C30 alkoxy group, C3-C30 alkoxyl alkyl group, C2-C30 acetyl group, C3-C30 acetylalkyl group, C1-C30 carboxyl group, C2-C30 alkyl carboxyl group, C4-C30 cycloalkyl carboxyl group, saturated or unsaturated C3-C30 hydrocarbon ring, saturated or unsaturated C1-C30 heterocyclic group, and a C1-C30 chain, ring, or 3-D structure.