Patent ID: 7163778

Claim:
An anti-reflection film material used in lithography which is an anti-reflection film material used in lithography and contains at least a polymer compound having repeating units for copolymerization represented by the following general formula (1): wherein R 1 is a monovalent organic group having a crosslink group, R 2 is a monovalent organic group having a light-absorption group, and R 3 is a monovalent organic group selected from the group consisting of: ; a1, b1 and c1 are 0<a1<1, 0<b1<1, 0<c1<1, and 0.5≦a1+b1+c1≦1; each of R 4 , R 5 and R 6 is a hydrogen atom, a hydroxy group, an alkyl group having 1–6 carbon atoms, an aryl group having 6–10 carbon atoms, or a fluorinated alkyl group having 1–6 carbon atoms; and each of m, n and p is 0 or 1.