Invention Grant
US07736835B2 Fluorine-containing cyclic compound, fluorine-containing polymer compound, resist material using same and method for forming pattern 失效
含氟环状化合物,含氟聚合物化合物,使用其的抗蚀剂材料和形成图案的方法

Fluorine-containing cyclic compound, fluorine-containing polymer compound, resist material using same and method for forming pattern
Abstract:
The present invention relates to, for example, a fluorine-containing cyclic compound represented by the following general formula (1). In the general formula (1), R1a is a C1-C25 cyclic alkyl group, cyclic alkenyl group or cyclic alkynyl group; each of R2 and R3 is independently a hydrogen atom, a halogen atom, or a C1-C25 straight-chain, branched or cyclic alkyl group; and each of R1a, R2 and R3 may contain fluorine atom, oxygen atom, sulfur atom, nitrogen atom or an atomic group containing a carbon-carbon double bond.
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