ETCHING RESIST COMPOSITION FOR SCREEN PRINTING

摘要

PURPOSE: An etching resist composition is provided to easily form the micro-pattern without thermosetting and photocurable properties, have excellent directivity of pattern and tolerance of etchant to easily facilitate excoriating process. CONSTITUTION: The etching resist composition comprises (a) liquid type plasticizer and (b) binary system solvent including solvent which has lower boiling point than the liquid type plasticizer. The weight of (a) component is greater than that of the (b) component. The boiling point of (a) is 200-400 °C and the boiling point of (b) is 50°C - 200 °C. The weight ratio of (a) and (b) is a:b = 5:5-9:1. The etching resist composition also includes the binder resin. The binder resin comprises the novolak group binder resin.