Patent ID: 6787287
Filing Date: 2004-09-07
Classification: G03F,Y10S

Abstract:
A photosensitive polymer comprising a copolymer of alkyl vinyl ether and maleic anhydride, represented by the following formula: whereR1 is â€”H, â€”OSi(CH3)2C(CH3)3 or â€”OSi(CH3)3, R2 is â€”H, â€”OH, â€”OCOCH3, â€”OSi(CH3)2C(CH3)3 or â€”OSi(CH(CH3)2)3, R3 is â€”H, â€”OH or â€”OCOCH3, R4 is â€”H, â€”OSi(CH3)2C(CH3)3, â€”CH2OSi(CH3)2C(CH3)3 or â€”CH2OSi(CH(CH3)2)3 and at least one of R1, R2 and R4 is a Si-containing group.