Patent ID: 8304178

Claim:
A top antireflective coating and barrier layer material for applying on top of a photoresist material comprising a polymer having at least one hydrophobic moiety comprising a monomer unit of monomer structure (I) or (II): wherein M is a polymerizable backbone moiety, Z of monomer structure (I) or (II) is a linkage moiety selected from the group consisting of —C(O)O—, —C(O)—, —OC(O)—, and —O—C(O)—C(O)—O—, R 1 is an alkyl group having 2 to 20 carbon atoms, R 2 and R 3 are the same or different, and are independently selected from the group consisting of a hydrogen atom, a halogen atom, a linear alkyl having 1 to 6 carbon atoms, a branched alkyl having 1 to 6 carbon atoms, a cycloalkyl having 3 to 10 carbon atoms, a halogenated linear alkyl having 1 to 6 carbon atoms, a halogenated branched alkyl having 1 to 6 carbon atoms, a halogenated cycloalkyl having 3 to 10 carbon atoms, an aryl, and a halogenated aryl, R 4 is selected from the group consisting of a fluorine atom, a fluorinated linear alkyl having 1 to 20 carbon atoms, a fluorinated branched alkyl having 1 to 20 carbon atoms, and a fluorocycloalkyl having 3 to 20 carbon atoms, q is an integer of 0, 1, or 2, p is an integer of 0 or 1, and r is an integer of 0 or 1; at least one acidic moiety with a pKa of 1 or less, wherein the at least one acidic moiety with a pKa of 1 or less comprises a monomer unit having the following monomer structure: wherein M is a polymerizable backbone moiety; Q of monomer structure (XVIII) is a linkage moiety selected from the group consisting of —OC(O)—, —C(O)NH— and —NHC(O)—, R 5 is an alkylene group having 1 to 20 carbon atoms, p′ is an integer of 1, and t is an integer of 0 or 1; and at least one aqueous base soluble moiety, wherein the at least one aqueous base soluble moiety comprises a monomer unit with a monomer selected from the group consisting of: wherein m is an integer of 1 to 19.