Patent ID: 11921425
Assignee: TOKYO OHKA KOGYO CO., LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC G  C  H | IPC C  G  H

Claim 5:
6. The hard mask-forming composition according to claim 5, wherein the resin (P-3) further has a structural unit (u32) represented by the following general formula (u32-1):, wherein R is a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, or a halogenated alkyl group having 1 to 5 carbon atoms; Yax3 is a single bond or a divalent linking group; Lax3 is —O—, —COO—, —CON(R′)—, —OCO—, —CONHCO— or —CONHCS— and R′ represents a hydrogen atom or a methyl group, provided that Yax3 is not —CO— in the case where Lax3 is —O—; and Rax3 is a hydrogen atom, or a hydrocarbon group which may have a substituent.