Patent ID: 6808869
Filing Date: 2004-10-26
Classification: G03F

Abstract:
A bottom anti-reflective coating material composition comprising a polymer light absorbent having at least one group represented by the following formula (X), (XI), (XII), (XIII), (XIV) or (XV) on the side chain anda thermal cross-linking agent: wherein Wâ€² represents a divalent linking group, X1 to X3, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group or â€”(X4)pâ€”R wherein R represents an alkyl group having from 1 to 20 carbon atoms, an aryl group having from 6 to 20 carbon atoms or an aralkyl group having from 7 to 20 carbon atoms, which may have a substituent, X4 represents a single bond, â€”CO2â€”, â€”CONHâ€”, â€”Oâ€”, â€”COâ€”, an alkylene group having from 2 to 4 carbon atoms or â€”SO2â€”, p represents an integer of from 1 to 10, Z1 and Z2, which may be the same or different, each represents an electron donating group, m and n represent an integer of from 0 to 2 and from 0 to 3, respectively, and when m is 2 or m and n each is 2 or 3, the Z1 groups or the Z2 groups may be the same or different, A1 represents a divalent aromatic ring or heteroaromatic ring group having from 5 to 14 carbon atoms, which may have a substituent, and A2 represents an aromatic ring or heteroaromatic ring group having from 5 to 14 carbon atoms, which may have a substituent.