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Hard mask composition for processing resist underlayer film, manufacturing method of semiconductor integrated circuit device using hard mask composition, and semiconductor integrated circuit device manufactured by the method
Hard mask composition for processing resist underlayer film, manufacturing method of semiconductor integrated circuit device using hard mask composition, and semiconductor integrated circuit device manufactured by the method
A hardmask composition includes a solvent and an organosilicon copolymer. The organosilicon copolymer may be represented by Formula A: (SiO1.5YSiO1.5)x(R3SiO1.5)y(A) wherein x and y may satisfy the following relations: x is about 0.05 to about 0.9, y is about 0.05 to about 0.9, and x+y=1, R3 may be a C1-C12 alkyl group, and Y may be a linking group including a substituted or unsubstituted, linear or branched C1-C20 alkyl group, a C1-C20 group containing a chain that includes an aromatic ring, a heterocyclic ring, a urea group or an isocyanurate group, or a C2-C20 group containing one or more multiple bonds.
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