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Resist underlayer film forming composition with reduced outgas generation
Resist underlayer film forming composition with reduced outgas generation
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机译:减少排气产生的抗蚀剂下层膜形成组合物
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摘要
Underlayer films of high-energy radiation resists applied onto semiconductor substrates in a lithography process for producing semiconductor devices and that are used to prevent reflection, static electrification, and development defects and to suppress outgassing during the exposure of resist layers with high-energy radiation are prepared from compositions including a film component having an aromatic ring structure or a hetero ring structure. The film component having an aromatic ring structure or a hetero ring structure is contained at a proportion of 5 to 85% by mass. The film component may be a compound having an aromatic ring structure or a hetero ring structure, and the compound may be a polymer or a polymer precursor including a specific repeating unit. The aromatic ring may be a benzene ring or fused benzene ring, and the hetero ring structure may be triazinetrione ring.
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