Patent ID: 6207340
Filing Date: 2001-03-27
Classification: G03F

Abstract:
A positive photoresist composition which comprises:(A) an alkali-soluble resin;(B) a naphthoquinonediazide group-containing compound; and(C) a solvent,wherein the ingredient (B) is a mixture comprising:at least one naphthoquinonediazidesulfonic ester of a polyphenol compound, where said polyphenol compound is composed of from 4 to 6 benzene rings each bonding via a methylene chain, each of the methylene chains is in a meta position to other methylene chains, and each of the benzene rings has a hydroxyl group, anda naphthoquinonediazidesulfonic ester of a hydroxy compound represented by the following formula: ##STR23##