Patent ID: 7026091
Filing Date: 2006-04-11
Classification: G03F,Y10S

Abstract:
1. A positive photoresist composition, comprising the following components as a uniform solution in an organic solvent: a phenolic resin; a resin with acid labile groups in an amount of 0.1 to 100 parts by weight, based on 100 parts by weight of the phenolic resin; a reactive monomer with vinyl ether or epoxy groups in an amount of 0.1 to 100 parts by weight; and a photoacid generator in an amount of 0.1 to 35 parts by weight; wherein the phenolic resin has a formula (I), of wherein R1 are the same or different and are an alkylene group, arylene group, cycloalkylene group, alkylarylene group, such as —CH2—, wherein the alkylene group, arylene group, cycloalkylene group, or alkylarylene group is straight or branched and has 1 to 12 carbon atom; and n is an integer of 2 to 100.