Patent ID: 7537882

Claim:
An anti-reflective coating composition comprising at least the following components (A), (B), (C), (D), and (E): (A) perfluoroalkyl•alkylenesulfonic acid represented by the following formula (1): C n F 2n+1 (CH 2 CH 2 ) m SO 3 H (1) (wherein, n represents an integer from 1 to 20, and m represents an integer from 0 to 20); (B) organic amine; (C) water-soluble polymer; (D) perfluoroalkylethyl group containing compound represented by the following formula (2): C k F 2k+1 CH 2 CH 2 —X—Y (2) (wherein, k represents an integer from 1 to 20, x represents —O—CH 2 CH 2 —, —S—CH 2 CH 2 —, —O—CH 2 CH(CH 3 )—, or —S—CH 2 CH(CH 3 )—, y represents a carboxyl group, sulfonic acid group, or phosphoric acid group); and (E) water.