Patent ID: 8603732

Claim:
A resist underlayer film-forming composition comprising, at least: a resin (A) obtained by condensing a compound represented by the following general formula (1) with a compound represented by the following general formula (2) by the aid of an acid catalyst; a compound (B) represented by the general formula (1); a fullerene compound (C); and an organic solvent, wherein, R 1 , R 2 , R 3 , and R 4 are the same or different from one another, and are each a hydrogen atom, or a hydrocarbon group having 6 to 22 carbon atoms, which hydrocarbon group may contain an oxygen atom or a hydroxyl group; R 5 and R 6 are each a benzene ring or a naphthalene ring; 1≦m1+m2≦2; 1≦m3+m4≦2; and n1 and n2 are each 0 or 1, R 7 —CHO (2) wherein, R 7 is a hydrogen atom, a saturated or unsaturated linear, branched, or cyclic hydrocarbon group having 1 to 20 carbon atoms, or an aromatic hydrocarbon group having 6 to 20 carbon atoms, which hydrocarbon groups may contain an ether group, a nitro group, a hydroxyl group, or a chloro group.