Invention Grant
US08716385B2 Polymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation 有权
可聚合的含氟单体,氟聚合物,抗蚀剂材料和图案形成方法

Polymerizable fluoromonomer, fluoropolymer, resist material, and method of pattern formation
Abstract:
Disclosed is a polymerizable fluoromonomer represented by the following general formula (1). In the formula, R1 represents a hydrogen atom, methyl group, fluorine atom, or trifluoromethyl group. n is an integer of 0 or 1, and m is that of from 1 to (3+n). R2 and R3 each independently represents a hydrogen atom or a protective group. A resist containing a fluoropolymer obtained by polymerizing or copolymerizing the monomer is suitable for use in microfabrication by immersion exposure or by a double patterning process based on immersion exposure.
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