| 摘要 |
A chemical amplifying type positive photoresist composition, excellent in various properties, and not form necking at the potion where the bottom antireflective coating and the resist film contact, which comprises (A) a resin which is converted to alkali-soluble from alkali-insoluble or alkali slightly soluble by the action of an acid, (B) an acid generator, (C) a tertiary amine compound and (D) a diphenyl sulfone compound, and a fine photoresist pattern can be formed in high precision using the photoresist composition.
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