| 摘要 |
A positive resist composition comprising: a compound having at least two acid-decomposable groups, an aromatic ring and an alkylene or cycloalkylene chain and having a molecular weight of 2,000 or less, of which solubility in an alkali developer increases under an action of an acid; and a compound represented by the formula (B-1) as defined herein, which generates an acid upon irradiation with actinic rays or radiation.
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