Patent ID: 9447303
Filing Date: 2016-09-20
CPC Classification: C08K,C08L,C09D,G03F,H01L

Claim Text:
1. A composition for forming a resist underlayer film, comprising (A) a compound comprising: a group represented by formula (1); and a ring which is an aromatic ring, a heteroaromatic ring, or a combination thereof: wherein, in the formula (1), R represents a aryl group which may have a substituent, a heteroaryl group which may have a substituent, or a combination thereof, the group R does not include an oxygen atom at an end of the side adjacent to the sulfur atom; and * represents a bonding hand linked via an oxygen atom to the ring, and wherein the substituent of the group R is an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 3 to 10 carbon atoms, an aryl group having 6 to 15 carbon atoms, an aralkyl group having 7 to 15 carbon atoms, a heterocyclic group having 3 to 15 carbon atoms, a halogen atom, a hydroxyl group, an amino group, a carboxyl group, an alkoxy group, an alkylcarbonyl group, an alkoxycarbonyl group, an arylcarnoxy group, an aryloxycarbonyl group, an amide group, an alkylamide group, or an arylamide group.