Patent ID: 7625695

Claim:
A polymer for an anti-reflective coating, comprising: a polymer prepared by a condensation reaction of an acrylate polymer having a hydroxyl group with a first compound represented by Formula 1 and a second compound represented by Formula 2, wherein R 1 and R 2 independently denote a hydrogen atom or a C 1 -C 4 alkyl group, R 3 and R 4 independently denote a hydrogen atom, a C 2 -C 6 alkylcarbonyl group or a C 1 -C 4 alkyl group, R 5 denotes a hydrogen atom or a C 2 -C 6 alkylcarbonyl group, R 6 denotes a hydrogen atom or a C 1 -C 4 alkyl group, and X 1 , X 2 , X 3 , X 4 and X 5 independently denote a hydrogen atom, a hydroxyl group, a C 1 -C 4 alkyl group or a C 1 -C 4 alkoxy group.