| 摘要 |
A positive resist composition for immersion exposure comprising: (A) a resin having an alicyclic hydrocarbon structure, wherein the resin is capable of increasing a solubility of the resin (A) in an alkaline developer by an action of an acid; and (B) a compound capable of generating an acid upon irradiation with one of an actinic ray and radiation, wherein the resin (A) includes a component having a molecular weight of 1,000 or less in an area ration of 20% or less to an entire area in a pattern area by gel permeation chromatography, and a pattern-forming method using the same.
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