发明授权
US09428485B2 Salt, photoresist composition and method for producing photoresist pattern 有权
盐,光致抗蚀剂组合物和制造光致抗蚀剂图案的方法

Salt, photoresist composition and method for producing photoresist pattern
摘要:
A salt represented by formula (I): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C6 perfluoroalkyl group, A1 represents a C1-C30 monovalent organic group, X1 represents a C1-C10 aliphatic hydrocarbon group where a hydrogen atom may be replaced by a hydroxy group, m1 and m2 independently each represent an integer of 1 to 4, and Z+ represents an organic cation.
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