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    • 3. 发明授权
    • Photoresist composition
    • 光刻胶组成
    • US08530137B2
    • 2013-09-10
    • US13025876
    • 2011-02-11
    • Tatsuro MasuyamaSatoshi Yamaguchi
    • Tatsuro MasuyamaSatoshi Yamaguchi
    • G03F7/004G03F7/20G03F7/30G03F7/38
    • C07C381/12C07D211/96C07D215/58C07D295/26C07D409/02G03F7/0045G03F7/0397G03F7/2041
    • The present invention provides a photoresist composition having a sulfonium salt comprising an anion represented by the formula (IA): wherein R1 and R2 independently represent a hydrogen atom, a C1-C12 aliphatic hydrocarbon group, a C3-C20 saturated cyclic hydrocarbon group, a C6-C20 aromatic hydrocarbon group or a C7-C21 aralkyl group, and the aliphatic hydrocarbon group, the saturated cyclic hydrocarbon group, the aromatic hydrocarbon group and the aralkyl group can have one or more substituents selected from the group consisting of a hydroxyl group, a cyano group, a fluorine atom, a trifluoromethyl group and a nitro group, and one or more —CH2— in the aliphatic hydrocarbon group can be replaced by —O— or —CO—, or R1 and R2 are bonded each other to form a C4-C20 nitrogen-containing ring together with the nitrogen atom to which they are bonded, an acrylic resin 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, and an acid generator.
    • 本发明提供具有锍盐的光致抗蚀剂组合物,其包含由式(IA)表示的阴离子:其中R1和R2独立地表示氢原子,C1-C12脂族烃基,C3-C20饱和环状烃基, C6-C20芳族烃基或C7-C21芳烷基,脂族烃基,饱和环烃基,芳香族烃基和芳烷基可以具有一个以上的选自羟基, 氰基,氟原子,三氟甲基和硝基,脂族烃基中的一个或多个-CH 2 - 可以被-O-或-CO-代替,或者R 1和R 2彼此键合形成 与它们所键合的氮原子一起形成的C4-C20含氮环,具有酸不稳定基团的丙烯酸树脂,在碱水溶液中不溶或难溶,但变成可溶于水溶液 酸性溶液通过酸的作用和酸产生剂。