发明授权
US07033731B2 Multilayered body for photolithographic patterning 有权
用于光刻图案的多层体

Multilayered body for photolithographic patterning
摘要:
Disclosed is a novel multilayered body for photo-lithographic patterning of a photoresist layer from which a patterned resist layer having an excellent cross sectional profile can be obtained when the multilayered structure comprises, on the surface of a substrate, an underlying water-insoluble anti-reflection film and a negative-working photoresist layer of a specific photoresist composition comprising: (A) 100 parts by weight of an alkali-soluble resin; (B) from 0.5 to 20 parts by weight of an onium salt compound capable of releasing an acid by irradiation with actinic rays; and (C) from 3 to 50 parts by weight of a glycoluril compound substituted by at least one hydroxyalkyl group or alkoxyalkyl group at the N-position.
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