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Method for forming fine pattern of semiconductor device using chemically amplified photoresist compounds including photoacid generator and thermoacid generator
Method for forming fine pattern of semiconductor device using chemically amplified photoresist compounds including photoacid generator and thermoacid generator
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机译:使用包括光酸产生剂和热酸产生剂的化学放大的光致抗蚀剂化合物形成半导体器件的精细图案的方法
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摘要
A chemically-amplified photoresist composition includes a polymer resin, a photo acid generator (PAG), and a thermal acid generator (TAG), where a thermal deprotection temperature of the polymer resin is greater than an acid generation temperature of the TAG. The photoresist composition may be utilized in a photolithography process which includes subjecting a layer of the photoresist composition to photon exposure which causes the PAG to decompose into acid, subjecting the photon-exposed layer of the photo resist composition to a heat treatment which causes the TAG to decompose into acid, and subjecting the heat-treated layer of photoreist composition to a post-exposure bake (PEB) at a temperature which is greater than the temperature of the heat treatment.
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