Patent ID: 6291131
Filing Date: 2001-09-18
Classification: C07C,C07D,C08F,G03F,Y02P,Y10S

Abstract:
A photoresist monomer represented by the following Chemical Formula 1: ##STR120##wherein, X and Y individually represent oxygen, sulfur, CH.sub.2 or C.sub.2 CH.sub.2 ; n represents an integer of 1 to 5; and R.sub.1, R.sub.2, R.sub.3 and R.sub.4 individually represent hydrogen, C.sub.1 -C.sub.10 alkyl having substituent(s) on its main or branched chain, C.sub.1 -C.sub.10 ester having substituent(s) on its main or branched chain, C.sub.1 -C.sub.10 ketone having substituent(s) on its main or branched chain, C.sub.1 -C.sub.10 carboxylic acid having substituent(s) on its main or branched chain, C.sub.1 -C.sub.10 acetal having substituent(s) on its main or branched chain; provided that at least one of R.sub.1 to R.sub.4 represent(s) --COO--R'--OH wherein R' is an alkyl group with or without substituent(s) on its linear or branched chain.