Patent ID: 8952373
Filing Date: 2015-02-10
Classification: H01L

Abstract:
1. A hardmask composition, comprising: a monomer represented by the following Chemical Formula 1; and an aromatic ring-containing polymer, wherein, in the above Chemical Formula 1, A, A′ and A″ are each independently a substituted or unsubstituted aromatic cyclic group or aliphatic cyclic group, provided that at least one of the A and A′ is a substituted or unsubstituted pyrene group, a substituted or unsubstituted perylene group, a substituted or unsubstituted benzoperylene group, a substituted or unsubstituted coronene group, or a combination thereof, L and L′ are each independently a single bond or a substituted or unsubstituted C1 to C6 alkylene group, x=y=0 or x=y=1, and z is an integer of 1 to 5.