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    • 2. 发明申请
    • NEGATIVE RESIST COMPOSITION WITH FLUOROSULFONAMIDE-CONTAINING POLYMER
    • 含氟磺酰胺聚合物的负极性组合物
    • WO2005036261A1
    • 2005-04-21
    • PCT/US2004/017114
    • 2004-06-02
    • INTERNATIONAL BUSINESS MACHINES CORPORATIONLI, WenjieVARANASI, Pushkara, Rao
    • LI, WenjieVARANASI, Pushkara, Rao
    • G03C1/675
    • C09D133/14C08F214/18C08F220/28C08F220/38C08K5/0025C09D133/16C09D145/00G03F7/0046G03F7/0382Y10S430/107Y10S430/108Y10S430/128
    • A negative resist composition is disclosed, wherein the resist composition includes a polymer having at least one fluorosulfonamide monomer unit having one of the following two formulae: wherein: M is a polymerizable backbone moiety; Z is a linking moiety selected from the group consisting of -C(O)O-, -C(O)-, -OC(O)-, -O-C(O)-C(O)-O-, or alkyl; P is 0 or 1; R, is a linear or branched alkyl group of 1 to 20 carbons; R 2 is hydrogen, fluorine, a linear or branched alkyl group of 1 to 6 carbons, or a semi­or perfluorinated linear or branched alkyl group of 1 to 6 carbons; and n is an integer from 1 to 6. A method of forming a patterned material layer on a substrate is also disclosed, wherein the method includes applying the fluorosulfonamide-containing resist composition to the substrate to form a resist layer on the material layer; pattemwise exposing the resist layer to imaging radiation; removing portions of the resist layer not exposed to the imaging radiation to create spaces in the resist layer corresponding to the pattern; and removing portions of the material layer at the spaces formed in the resist layer, thereby forming a patterned material layer.
    • 公开了一种负性抗蚀剂组合物,其中抗蚀剂组合物包括具有至少一个具有以下两个式之一的氟磺酰胺单体单元的聚合物:其中:M是可聚合主链部分; Z是选自-C(O)O-,-C(O) - , - OC(O) - , - O-C(O)-C(O)-O-或烷基的连接部分。 P为0或1; R为碳原子数为1〜20的直链状或支链状的烷基, R2是氢,氟,1至6个碳的直链或支链烷基,或1至6个碳的半全氟直链或支链烷基; 并且n是1至6的整数。还公开了在基板上形成图案化材料层的方法,其中所述方法包括将含氟磺酰胺的抗蚀剂组合物施加到所述基材上以在所述材料层上形成抗蚀剂层; 将抗蚀层图案曝光成像辐射; 除去未暴露于成像辐射的抗蚀剂层的部分,以在对应于图案的抗蚀剂层中产生空间; 并且在形成在抗蚀剂层中的空间处去除材料层的部分,从而形成图案化材料层。