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    • 5. 发明申请
    • SALT AND PHOTORESIST COMPOSITION CONTAINING THE SAME
    • 含有它的盐和光催化剂组合物
    • US20100304294A1
    • 2010-12-02
    • US12786799
    • 2010-05-25
    • Koji ICHIKAWAMasako SugiharaTatsuro Masuyama
    • Koji ICHIKAWAMasako SugiharaTatsuro Masuyama
    • G03F7/004C07D307/00G03F7/20C07D307/04
    • C07D307/80G03F7/0045G03F7/0046G03F7/0397
    • A salt represented by the formula (I-AA): wherein Q1 and Q2 each independently represent a fluorine atom or a C1-C4 perfluoroalkyl group, X1 represents a single bond etc., Y1 represents a C1-C36 aliphatic hydrocarbon group etc., A1 and A2 independently each represents a C1-C20 aliphatic hydrocarbon group etc., Ar1 represents a (m4+1)-valent C6-C20 aromatic hydrocarbon group which can have one or more substituents, B1 represents a single bond etc., m1 and m2 independently each represents an integer of 0 to 2, m3 represents an integer of 1 to 3, with the proviso that m1 plus m2 plus m3 equals 3, and m4 represents an integer of 1 to 3, and a photoresist composition comprising the salt represented by the formula (I-AA) and a resin comprising a structural unit having an acid-labile group and being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid.
    • 由式(I-AA)表示的盐:其中Q1和Q2各自独立地表示氟原子或C1-C4全氟烷基,X1表示单键等,Y1表示C1-C36脂族烃基等, A1和A2各自独立地表示C1-C20脂族烃基等,Ar1表示可具有一个或多个取代基的(m4 + 1)价C6-C20芳族烃基,B1表示单键等,m1和 m2独立地表示0至2的整数,m3表示1至3的整数,条件是m1加上m2加m3等于3,m4表示1至3的整数,并且包含表示的盐的光致抗蚀剂组合物 通过式(I-AA)和包含具有酸不稳定基团的结构单元的树脂,并且在碱性水溶液中不溶或难溶,但通过酸作用而溶于碱水溶液中。