Patent ID: 9551933
Date: 2017-01-24
CPC Classifications: C08F,C09D,G03F

Claim:
1. An actinic ray-sensitive or radiation-sensitive resin composition comprising: (A) a resin containing a repeating unit represented by the following formula (1-1), a repeating unit represented by the following formula (1-2) and a repeating unit having a lactone structure, and a compound capable of generating an acid upon irradiation with an actinic ray or radiation, wherein the content of the repeating unit represented by the following formula (1-1) is 55 mol % or more based on all repeating units in the resin (A): wherein in formula (1-1), R R R Ra represents a hydrogen atom, an alkyl group, a cyano group or a halogen atom, and L in formula (1-2), R n n L