Patent ID: 8298744

Claim:
A coating material for a photoresist pattern comprising: a water-soluble polymer; and an additive mixed with the water-soluble polymer, wherein the additive is at least one selected from the group consisting of 2-(methylamino)ethanol, 2-methoxy-N-methylethanamine, 2-methoxy-N,N-dimethylethanamine, 2-ethoxy-N-methylethanamine, 2-ethoxy-N,N-dimethylethanamine, N-methyl-2-propoxyethanamine, N,N-dimethyl-2-propoxyethanamine, 2-isopropoxy-N-methylethanamine, 2-isopropoxy-N,N-dimethylethanamine, N-ethyl-2-isopropoxyethanamine, 2-(ethylamino)ethanol, N-ethyl-2-methoxyethanamine, 2-ethoxy-N-ethylethanamine, N,N-diethyl-2-isopropoxyethanamine, N,N-diethyl-2-methoxyethanamine, 2-ethoxy-N,N-diethylethanamine, 2-(diethylamino)ethanol, 2-isopropoxyethanamine, 2-methoxyethanamine, 2-ethoxyethanamine, 2-aminoethanol, 2-aminoethanethiol, 2-(methylthio)ethanamine, 2-(ethylthio)ethanamine, 2-(isopropylthio)ethanamine, 2-(isopropylthio)ethanamine, 2-(methylamino)ethanethiol, N-methyl-2-(methylthio)ethanamine, 2-(ethylthio)-N-methylethanamine, 2-(isopropylthio)-N-methylethanamine, 2-(isopropylthio)-N-methylethanamine, 2-(ethylamino)ethanethiol, N-ethyl-2-(methylthio)ethanamine, N-ethyl-2-(ethylthio)ethanamine, N-ethyl-2-(isopropylthio)ethanamine, N-ethyl-2-(isopropylthio)ethanamine, 2-(diethylamino)ethanethiol, N,N-diethyl-2-(methylthio)ethanamine, N,N-diethyl-2-(ethylthio)ethanamine, N,N-diethyl-2-(isopropylthio)ethanamine, and N,N-diethyl-2-(isopropylthio)ethanamine, wherein the water-soluble polymer is represented by Formula 3: wherein k, m and n respectively represent an integer of 1 to 100, and wherein R 1 is acetyl, and R 2 is acetal.