Patent ID: 8741539
Filing Date: 2014-06-03
Classification: G03F,H01L

Abstract:
1. A hard mask composition, comprising: a solvent; and a compound including a structural unit represented by the following Chemical Formula 1: wherein, in Chemical Formula 1, A is a polyvalent aromatic ring group, X is a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C3 to C30 cycloalkenylene group, a substituted or unsubstituted C7 to C20 arylalkylene group, a substituted or unsubstituted C 1 to C20 heteroalkylene group, a substituted or unsubstituted C2 to C30 heterocycloalkylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, a substituted or unsubstituted C2 to C30 alkenylene group, a substituted or unsubstituted C2 to C30 alkynylene group, or a combination thereof, L is a single bond, a substituted or unsubstituted C1 to C20 alkylene group, a substituted or unsubstituted C3 to C30 cycloalkylene group, a substituted or unsubstituted C6 to C30 arylene group, a substituted or unsubstituted C3 to C30 cycloalkenylene group, a substituted or unsubstituted C7 to C20 arylalkylene group, a substituted or unsubstituted C1 to C20 heteroalkylene group, a substituted or unsubstituted C2 to C30 heterocycloalkylene group, a substituted or unsubstituted C2 to C30 heteroarylene group, a substituted or unsubstituted C2 to C30 alkenylene group, a substituted or unsubstituted C2 to C30 alkynylene group, or a combination thereof, R n