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    • 77. 发明申请
    • RESIST PROTECTIVE FILM MATERIAL AND PATTERN FORMATION METHOD
    • 耐腐蚀膜材料和图案形成方法
    • US20070122736A1
    • 2007-05-31
    • US11550204
    • 2006-10-17
    • Jun HatakeyamaYuji HaradaTakeru Watanabe
    • Jun HatakeyamaYuji HaradaTakeru Watanabe
    • G03C1/00
    • G03F7/11G03F7/0046G03F7/2041
    • The invention is a protective film material for immersion lithography that enables desirable immersion lithography, can be removed simultaneously with development of a photoresist layer, and has excellent process adaptability. The invention also includes a method for forming a pattern using the material. More specifically, the invention is a protective film material comprising (i) a blend of a polymer comprising a repeating unit having a fluorine-containing alkyl or alkylene group which contains at least one fluorine atom and an optional alkali soluble repeating unit and a polymer comprising a repeating unit having a fluorine-free alkyl group and an optional alkali soluble repeating unit, or (ii) a polymer comprising a repeating unit having a fluorine-containing alkyl or alkylene group which contains at least one fluorine atom and a repeating unit having a fluorine-free alkyl group and an optional alkali-soluble repeating unit.
    • 本发明是用于浸没式光刻的保护膜材料,其能够进行希望的浸渍光刻,可以与光致抗蚀剂层的显影同时除去,并且具有优异的工艺适应性。 本发明还包括使用该材料形成图案的方法。 更具体地说,本发明是一种保护膜材料,其包含(i)包含具有含有至少一个氟原子的含氟烷基或亚烷基的重复单元和任选的碱可溶重复单元的聚合物的共混物和包含 具有无氟烷基和任选的碱可溶重复单元的重复单元,或(ii)含有含有至少一个氟原子的含氟烷基或亚烷基的重复单元的聚合物和具有至少一个氟原子的重复单元 无氟烷基和任选的碱溶性重复单元。