Patent ID: 7666572
Filing Date: 2010-02-23
Classification: C08F,G03F,Y10S

Abstract:
1. A resist top coat composition for forming a top coat on a photoresist film, comprising at least a polymer that has an amino group or a sulfonamide group at a polymer end and that is represented by the following general formula (1): at least one solvent selected from the group consisting of 1-butyl alcohol, 2-butyl alcohol, isobutyl alcohol, tert-butyl alcohol, 1-pentanol, 2-pentanol, 3-pentanol, tert-amyl alcohol, neopentyl alcohol, 2-methyl-1-butanol, 3-methyl-1-butanol, 3-methyl-3-pentanol, cyclopentanol, 1-hexanol, 2-hexanol, 3-hexanol, 2,3-dimethyl-2-butanol, 3,3-dimethyl-1-butanol, 3,3-dimethyl-2-butanol, 2-diethyl-1-butanol, 2-methyl-1-pentanol, 2-methyl-2-pentanol, 2-methyl-3-pentanol, 3-methyl-1-pentanol, 3-methyl-2-pentanol, 3-methyl-3-pentanol, 4-methyl-1-pentanol, 4-methyl-2-pentanol, 4-methyl-3-pentanol, cyclohexanol, diisopropyl ether, diisobutyl ether, diisopentyl ether, di-n-pentyl ether, methylcyclopentyl ether, methylcyclohexyl ether, di-n-butyl ether, di-sec-butyl ether, diisopentyl ether, di-sec-pentyl ether, di-t-amyl ether, and di-n-hexyl ether, wherein the (P) represents a unit obtained by polymerization of a polymerizable compound, R R either R R the unit (P) of the polymer represented by the general formula (1) comprises a repeating unit represented by the following general formula (2): R X represents any one of a single bond, —O—, —C(═O)—O—, —C(═O)—O—R R R R R a is 1 or 2.