发明授权
US08686098B2 Fluorine-containing compound, fluorine-containing polymer compound, resist composition, top coat composition and pattern formation method 有权
含氟化合物,含氟高分子化合物,抗蚀剂组合物,面漆组合物和图案形成方法

Fluorine-containing compound, fluorine-containing polymer compound, resist composition, top coat composition and pattern formation method
摘要:
A fluorine-containing polymer of the present invention contains a repeating unit (a) of the general formula (2) and has a mass-average molecular weight of 1,000 to 1,000,000. This polymer is suitably used in a resist composition for pattern formation by high energy ray radiation of 300 nm or less wavelength or electron beam radiation or a top coat composition for liquid immersion lithography and is characterized as having high water repellency, notably high receding contact angle. In the formula, R1 represents a polymerizable double bond-containing group; R2 represents a fluorine atom or a fluorine-containing alkyl group; R8 represents a substituted or unsubstituted alkyl group or the like; and W1 represents a single bond, a substituted or unsubstituted methylene group or the like.
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