Patent ID: 8741540

Claim:
A hard mask composition, comprising: a solvent; and an aromatic ring-containing compound, the aromatic ring-containing compound including at least one of a moiety represented by the following Chemical Formula 1 and a moiety represented by the following Chemical Formula 2: wherein: Ar is an aromatic ring group, R 1 to R 3 are each independently a single bond, a substituted or unsubstituted C1 to C30 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, and n is 1 to about 100.