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    • 3. 发明申请
    • PHOTORESIST COMPOSITION
    • 光电组合物
    • US20120264055A1
    • 2012-10-18
    • US13443155
    • 2012-04-10
    • Koji ICHIKAWAHiromu SAKAMOTOYuichi MUKAI
    • Koji ICHIKAWAHiromu SAKAMOTOYuichi MUKAI
    • G03F7/027G03F7/20
    • G03F7/0046G03F7/0045G03F7/0397G03F7/2041
    • The present invention provides a photoresist composition comprising a salt represented by the formula (I): wherein R1 and R2 independently each represent a fluorine atom or a C1-C6 perfluoroalkyl group, X1 represents a C1-C17 divalent saturated hydrocarbon group, etc., s1 represents 1 or 2, and t1 represents 0 or 1, with proviso that sum of s1 and t1 is 1 or 2, R3 represents a C1-C12 saturated hydrocarbon group, etc., u1 represents an integer of 0 to 8, and (z1)+ represents an organic cation,a salt represented by the formula (II-0): wherein R4 represents a C1-C24 hydrocarbon group etc., X2 represents a C1-C6 alkanediyl group etc., and (Z2)+ represents an organic cation, anda resin being insoluble or poorly soluble in an aqueous alkali solution but becoming soluble in an aqueous alkali solution by the action of an acid.
    • 本发明提供了包含式(I)表示的盐的光致抗蚀剂组合物:其中R1和R2各自独立地表示氟原子或C1-C6全氟烷基,X1表示C1-C17二价饱和烃基等, s1表示1或2,t1表示0或1,条件是s1和t1之和为1或2,R3表示C1-C12饱和烃基等,u1表示0〜8的整数,( z1)+表示有机阳离子,式(II-0)表示的盐:其中,R4表示C1-C24烃基等,X2表示C1-C6烷二基等,(Z2)+表示 有机阳离子和在碱性水溶液中不溶或难溶的树脂,但通过酸的作用变得可溶于碱性水溶液。