| 摘要 |
An actinic ray-sensitive or radiation-sensitive resin composition includes (A) a compound capable of generating a specific acid having a norbornyl structure upon irradiation with an actinic ray or radiation, and (B) a resin capable of increasing the dissolution rate of the resin (B) in an alkali developer by an action of an acid, the resin (B) containing a specific repeating unit having a lactone structure on the resin side chain through a linking group, and a pattern forming method uses the composition.
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