CASEIN RESIN COMPOSITION FOR PHOTORESIST

摘要

PURPOSE: A casein resin composition for photoresist, a photoresist composition using the resin composition and its preparation method are provided, to improve the resolution and the sensitivity of photoresist. CONSTITUTION: The casein resin composition comprises 8-15 wt% of acidic casein powder; 0.1-3 wt% of an ammonium salt or an amine substituted with at least one ethanol as a thickener 0.1-5 wt% of a hydroxide of an alkali metal or ammonium, an alkali metal salt or a borate as a pH controller; 0-1 wt% of a compound selected from the group consisting of formaldehyde, phenol and zeolite as a preservation stabilizer; 0-2 wt% of an anthraquinone compound or an amide compound as a light intensifier; and the balance of deionized water.