Patent ID: 7816067

Claim:
A coating-type underlayer coating forming composition for lithography comprising a compound of formula (1): wherein A is an organic group having an aromatic group, R 1 is hydroxy group, an alkyl group, an alkoxy group, a halogen group, a thiol group, an amino group or an amide group, m1 is the number of A substituted on the naphthalene ring and is an integer of 1 to 6, m2 is the number of R 1 substituted on the naphthalene ring and is an integer of 0 to 5, a sum of m1 and m2 (m1+m2) is an integer of 1 to 6, in cases where the sum is an integer other than 6, the remainder is hydrogen atom, and n is the number of repeating units ranging from 2 to 7000.