Patent ID: 7709182

Claim:
An antireflection film-forming composition comprising: (A) a copolymer having at least one repeating unit represented by the following formula (1) and at least one repeating unit represented by the following formula (2) and/or a salt of the copolymer; and (B) a fluorine-containing anionic surfactant, fluorine-containing cationic surfactant or fluorine-containing amphoteric surfactant, the surface tension of an aqueous solution of the surfactant at 25° C. and at a concentration of 0.1% b by weight being 45 mN/m or less: wherein in formula (1) R 1 represents a hydrogen atom or a monovalent organic group and R 2 represents a divalent organic group; and wherein in formula (2) R 3 represents a hydrogen atom or a monovalent organic group, Rf represents a fluoroalkyl group, and X represents a direct bond, an alkylene group or a fluoroalkylene group.