Patent ID: 7687223

Claim:
An underlayer coating forming composition for lithography comprising a cyclodextrin compound that 10% to 90% of total number of hydroxy groups in cyclodextrin is converted into a group of formula (1) —O—R 1 (1) wherein R 1 is C 1-10 alkyl group or an aromatic group that may be substituted with a group selected from the group consisting of halogen atom, C 1-6 alkoxy group, phenyl group, cyano group and nitro group, or a group of formula (2) wherein R 2 is C 1-10 alkyl group or an aromatic group that may be substituted with a group selected from the group consisting of halogen atom, C 1-6 alkoxy group, phenyl group, cyano group and nitro group, a crosslinking compound, a crosslinking catalyst and a solvent.