Patent ID: 8623589

Claim:
An antireflective coating composition comprising a crosslinking agent, a polymer comprising at least one chromophore group and at least one hydroxyl and/or a carboxyl group, and an additive, further where the additive has structure 1 and comprises at least one arylene-hydroxyl moiety, where Y is a carboxylate anion, R 1 , R 2 , and R 3 are independently selected from a group consisting of unsubstituted C 1 -C 8 alkyl, substituted C 1 -C 8 alkyl, aryl and arylene-hydroxyl; X 1 , X 2 , and X 3 are independently selected from a group consisting of direct valence bond and C 1 -C 8 alkylene group; and, n=1, 2 or 3.