Patent ID: 7202011

Claim:
A photosensitive polymer comprising: a polymerization product of (a) a pentafluoromethylvinyl ether derivative monomer having the formula: wherein R is selected from a group consisting of alkylsilane, fluorine-substituted or unsubstituted C 3 –C 20 alkyl carbonyl, fluorine-substituted or unsubstituted C 3 –C 20 cycloalkylcarbonyl or fluorine-substituted or unsubstituted benzoyl, and (b) at least one additional monomer selected from the group consisting of fluorine-substituted (meth)acrylic acid monomer, fluorine-substituted (meth)acrylate monomer, fluorine-substituted styrene monomer, fluorine-substituted norbomene monomer, and fluorine-substituted maleic anhydride monomer.