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    • 1. 发明授权
    • Chemically amplified resist composition
    • 化学放大抗蚀剂组合物
    • US6114084A
    • 2000-09-05
    • US165061
    • 1998-10-02
    • Yool KangSang-Jun ChoiDong-Won JungChun-Geun ParkYoung-Bum Koh
    • Yool KangSang-Jun ChoiDong-Won JungChun-Geun ParkYoung-Bum Koh
    • G03F7/004G03F7/039G03C1/492
    • G03F7/039G03F7/0045
    • Copolymers and terpolymers are used in chemically amplified resists. The terpolymers are of the formula: ##STR1## wherein R.sub.3 is selected from the group consisting of hydrogen and a C.sub.1 to C.sub.10 aliphatic hydrocarbon, wherein said aliphatic hydrocarbon contains substituents selected from the group consisting of hydrogen, hydroxy, carboxylic acid, carboxylic anhydride, and combinations thereof; R.sub.4 is selected from the group consisting of hydrogen and a C.sub.1 to C.sub.10 aliphatic hydrocarbon, wherein said aliphatic hydrocarbon contains substituents selected from the group consisting of hydrogen, hydroxy, carboxylic acid, carboxylic anhydride, and combinations thereof, R.sub.5 is selected from the group consisting of hydrogen and methyl; R.sub.6 is selected from the group consisting of t-butyl and tetrahydropyranyl; M and n are each integers; and wherein n/(m+n) ranges from about 0.1 to about 0.5. Also, a resist composition for use in a chemically amplified resist, which comprises a photoacid generator and a polymer having the formula: ##STR2## wherein x is selected from the group consisting of C.sub.5 to C.sub.8 cyclic or alicyclic composition, R.sub.7 is selected from the group consisting of hydrogen and methyl; R.sub.4 is selected from the group consisting of t-butyl, tetrahydropyranyl and adamantyl; m and n are each integers; and the ratio n/(m+n) ranges from about 0.1 to about 0.5.
    • 共聚物和三元共聚物用于化学增强抗蚀剂。 三元共聚物具有下式:其中R 3选自氢和C 1至C 10脂族烃,其中所述脂族烃含有选自氢,羟基,羧酸,羧酸酐及其组合的取代基 ; R 4选自氢和C 1至C 10脂族烃,其中所述脂族烃包含选自氢,羟基,羧酸,羧酸酐及其组合的取代基,R 5选自 的氢和甲基; R6选自叔丁基和四氢吡喃基; M和n分别是整数; 并且其中n /(m + n)为约0.1至约0.5。 另外,用于化学放大抗蚀剂的抗蚀剂组合物,其包含光致酸发生剂和具有下式的聚合物:其中x选自C5至C8环状或脂环族组合物,R7选自由以下组成的组: 氢和甲基; R4选自叔丁基,四氢吡喃基和金刚烷基; m和n分别为整数; n /(m + n)的比例为约0.1至约0.5。
    • 5. 发明授权
    • Alicyclic photosensitive polymer, resist composition containing the same and method of preparing the resist composition
    • 脂环族光敏聚合物,含有它们的抗蚀剂组合物和制备抗蚀剂组合物的方法
    • US06503687B2
    • 2003-01-07
    • US09731896
    • 2000-12-08
    • Hyun-woo KimSi-hyueng LeeKi-young KwonDong-won JungSang-jun ChoiSang-gyun Woo
    • Hyun-woo KimSi-hyueng LeeKi-young KwonDong-won JungSang-jun ChoiSang-gyun Woo
    • G03F7004
    • G03F7/0045G03F7/039
    • A photosensitive polymer having a main chain consisting of only norbornene-type alicyclic units, a resist composition containing the photosensitive polymer and a preparation method thereof, wherein the photosensitive polymer is represented by the following formula: wherein R1 is an acid-labile tertiary alkyl group, R2 is &ggr;-butyrolactone-2-yl, &ggr;-butyrolactone-3-yl, pantolactone-2-yl, mevalonic lactone, 3-tetrahydrofuranyl, 2,3-propylenecarbonate-1-yl or 3-methyl-&ggr;-butyrolactone-3-yl, R3 is a hydrogen atom, methyl, ethyl or C3 to C20 alicyclic hydrocarbon, and p/(p+q+r) is 0.1˜0.8, q/(p+q+r) is 0.2˜0.8, and r/(p+q+r) is 0.0˜0.4. To prepare the photosensitive polymer, at least two different norbornene-type compounds having an ester group as a substituent are reacted in the presence of an initiator at a temperature of about 120 to about 150 ° C. without a reaction catalyst.
    • 具有仅由降冰片烯型脂环族单元构成的主链的光敏性聚合物,含有感光性高分子的抗蚀剂组合物及其制备方法,其中,所述感光性聚合物由下式表示:式中,R1为酸不稳定的叔烷基 R2是γ-丁内酯-2-基,γ-丁内酯-3-基,泛酸内酯-2-基,甲羟戊酸内酯,3-四氢呋喃基,2,3-亚丙基碳酸酯-1-基或3-甲基-γ-丁内酯 - R 3为氢原子,甲基,乙基或C 3〜C 20脂环族烃,p /(p + q + r)为0.1〜0.8,q /(p + q + r)为0.2〜0.8, r /(p + q + r)为0.0〜0.4。 为了制备感光性聚合物,在引发剂的存在下,在没有反应催化剂的情况下,在约120〜约150℃的温度下,使具有酯基作为取代基的至少两种不同的降冰片烯型化合物进行反应。