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Silicon-containing EUV resist underlayer film-forming composition including additive
Silicon-containing EUV resist underlayer film-forming composition including additive
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机译:包含添加剂的含硅EUV抗蚀剂下层膜形成组合物
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摘要
There is provided a composition for forming an EUV resist underlayer film which shows a good resit form. A resist underlayer film-forming composition for EUV lithography, including: polysiloxane (A) containing a hydrolyzed condensate of hydrolyzable silane (a); and hydrolyzable silane compound (b) having a sulfonamide structure, a carboxylic acid amide structure, a urea structure, or an isocyanuric acid structure. A resist underlayer film-forming composition for EUV lithography, including: polysiloxane (B) containing a hydrolyzed condensate of hydrolyzable silane (a) and hydrolyzable silane compound (b) having a sulfonamide structure, a carboxylic acid amide structure, a urea structure, or an isocyanuric acid structure. The polysiloxane (A) is preferably a co-hydrolyzed condensate of a tetraalkoxysilane, an alkyltrialkoxysilane and an aryltrialkoxysilane.
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