发明授权
US09115074B2 Fluorinated monomer, polymer, resist composition, and patterning process 有权
氟化单体,聚合物,抗蚀剂组合物和图案化工艺

Fluorinated monomer, polymer, resist composition, and patterning process
摘要:
A fluorinated monomer has formula (1) wherein R1 is H, F, methyl or trifluoromethyl, R2 and R3 are H or a monovalent hydrocarbon group, R4 to R6 each are a monovalent fluorinated hydrocarbon group, A is a divalent hydrocarbon group, and k1 is 0, 1 or 2. A polymer derived from the fluorinated monomer may be endowed with appropriate water repellency, water slip, acid lability and hydrolysis and is useful as an additive polymer in formulating a resist composition.
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