Patent ID: 6312868
Filing Date: 2001-11-06
Classification: G03F

Abstract:
A photoresist cross-linker comprising a homopolymer or copolymer of the formula: ##STR16##whereinX.sub.1 and X.sub.2 individually represent CH.sub.2, CH.sub.2 CH.sub.2, O or S;p and s individually represent an integer from 0 to 5;q is 0 or 1; R' and R"" independently represent hydrogen or methyl;R represents straight or branched C.sub.1-10 alkyl, straight or branched C.sub.1-10 ether, straight or branched C.sub.1-10 ketone, straight or branched C.sub.1-10 acetal, straight or branched C.sub.1-10 alkyl including at least one hydroxyl group, straight or branched C.sub.1-10 ether including at least one hydroxyl group, straight or branched C.sub.1-10 ester including at least one hydroxyl group, straight or branched ketone including at least one hydroxyl group, straight or branched C.sub.1-10 carboxylic acid including at least one hydroxyl group, and straight or branched C.sub.1-10 acetal including at least one hydroxyl group; andR.sub.1 and R.sub.2 independently represent hydrogen, straight or branched C.sub.1-10 alkyl, straight or branched C.sub.1-10 ester, straight or branched C.sub.1-10 ketone, straight or branched C.sub.1-10 carboxylic acid, straight or branched C.sub.1-10 acetal, straight or branched C.sub.1-10 alkyl including at least one hydroxyl group, straight or branched C.sub.1-10 ester including at least one hydroxyl group, straight or branched C.sub.1-10 ketone including at least one hydroxyl group, straight or branched C.sub.1-10 carboxylic acid including at least one hydroxyl group, and straight or branched C.sub.1-10 acetal including at least one hydroxyl group.