Patent ID: 8568955

Claim:
A composition for forming a top antireflective film, which comprises (A) at least one of fluorine-containing compounds wherein the fluorine-containing compound is a is a fluoropolymer containing a polymer unit represented by the formula (2) or a fluoropolymer containing a polymer unit represented by the formula (2) and a polymer unit represented by the formula (3): —[CF 2 CF(OR f COOH)]— Formula (2) wherein R f represents a linear or branched perfluoroalkylene group that may contain an ethereal oxygen atom; —[CF 2 CFX 1 ]— Formula (3) wherein X 1 represents a fluorine atom, a chlorine atom or a hydrogen atom; and (B) a quaternary ammonium compound represented by the formula (1): wherein at least one of R 1 , R 2 , R 3 and R 4 represents a hydroxyl group or an alkanol group, the others represent a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and X − represents a hydroxyl group wherein the ratio of moles of acid from the fluoropolymer to the number of moles of base from the quaternary ammonium compound is in the range of 1:0.01 to 1:1.00 and wherein a lowering of an application amount of the composition can be realized.