Patent ID: 7981594

Claim:
A hardmask composition, comprising: (a) an organic solvent; and (b) at least one aromatic ring-containing polymer, the at least one aromatic ring-containing polymer including an aromatic ring-containing polymer represented by Formula 3: Formula 3: wherein, in Formula 3: each R 1 is selected from: where, in R 1 , R is H or alkyl, each R 2 is selected from: hydrogen, hydroxyl, C 1 -C 10 alkyl, C 6 -C 10 aryl, allyl, and halogen, R 3 is selected from: R 4 is selected from: where, in R 4 , R is H or alkyl, R 5 is selected from: m and n satisfy 1≦n<750 and 1≦m<750.