Patent ID: 6531562
Filing Date: 2003-03-11
Classification: C08F,G03F

Abstract:
A bicyclic photoresist monomer of the formula: wherein B is selected from the group consisting of moieties of the formula: R is hydrogen, substituted or non-substituted (C1-C10) straight or branched chain alkyl, cycloalkyl, alkoxyalkyl, cycloalkoxyalkyl, â€”COORâ€², â€”(CH2)tOH, â€”COO(CH2)tOH or a moiety of the formula: each of V and W is independently substituted or non-substituted (C1-C10) straight or branched chain alkylene, cycloalkylene, alkoxyalkylene or cycloalkoxyalkylene; Râ€² is hydrogen, substituted or non-substituted (C1-C10) straight or branched chain alkyl, cycloalkyl, alkoxyalkyl or cycloalkoxyalkyl; Râ€³ is an acid labile protecting group; each of R1-R12 is independently hydrogen, substituted or non-substituted (C1-C10) straight or branched chain alkyl, cycloalkyl, alkoxyalkyl, cycloalkoxyalkyl, â€”CH2OH or â€”CH2CH2OH; n is an integer from 1 to 3; and each of d, m and t is independently an integer from 0 to 5.