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    • 15. 发明申请
    • 無機多層レジストのイオンビーム微細加工方法及びこの方法による半導体デバイス、量子デバイス、マイクロマシーンコンポーネント及び微細構造体
    • 无机多层耐蚀薄膜方法,半导体器件,量子器件,微电子元器件及方法制作的精细结构
    • WO2003054945A1
    • 2003-07-03
    • PCT/JP2002/012919
    • 2002-12-10
    • 財団法人新産業創造研究機構金子 忠昭浅岡 康佐野 直克
    • 金子 忠昭浅岡 康佐野 直克
    • H01L21/302
    • H01L21/31144H01L21/0279H01L21/3086
    • A method for ion beam fine patterning of an inorganic multilayer resist, which comprises forming, on the surface of a semiconductor substrate(X), an inorganic material (Y) layer capable of forming a thermally and chemically stable oxidized film layer preventing the oxidation of the substrate(X) and, forming, on the surface of the inorganic material(Y)layer, an inorganic material (Z) layer capable of forming a thermally unstable natural oxidation film preventing the oxidation of the inorganic material (Y) layer and a forced oxidation film which is weaker than the above (Y) layer but is chemically stable, implanting a metal ion in the presence of a naturally formed oxidized surface film being formed on the surface of the (Z) layer or under the irradiation of molecular oxygen, to thereby selectively substitute a stable forced oxidized film (Z') layer for the above naturally formed oxidized surface film, increasing the amount of the ion implanted, to form a thermally and chemically stable oxidized film (Y') layer on the above (Y) layer through propagation of an O ion from the above naturally oxidized film or the above forced oxidized film (Z') layer and through sputtering of (Z)layer, and then subjecting the surface of the above substrate (X) to a dry etching with good accuracy using a reactive etching gas, to thereby remove the above surface oxidized film exclusive of the part substituted with the above forced oxidized film (Z') layer or the above oxidized film (Y') layer, the (Z) layer, the (Y) layer and a part of the substrate(X).
    • 一种无机多层抗蚀剂的离子束精细图案化方法,其包括在半导体衬底(X)的表面上形成能够形成热和化学稳定的氧化膜层的无机材料(Y)层,防止氧化 基板(X),并且在无机材料(Y)层的表面上形成能够形成防止无机材料(Y)层氧化的热不稳定的自然氧化膜的无机材料(Z)层和 强制氧化膜比上述(Y)层弱,但化学稳定,在(Z)层的表面上形成的天然形成的氧化表面膜的存在下或在分子氧的照射下注入金属离子 ,从而选择性地将稳定的强制氧化膜(Z')替代为上述天然形成的氧化表面膜,增加离子注入的量,以形成热和化学稳定的 通过从上述自然氧化膜或上述强制氧化膜(Z')层传播O离子并通过溅射(Z)层,在上述(Y)层上氧化膜(Y')层,然后 使用反应性蚀刻气体,将上述基板(X)的表面以良好的精度进行干法蚀刻,从而除去上述被上述被强制氧化膜(Z')或上述氧化膜 (Y')层,(Z)层,(Y)层和衬底(X)的一部分。
    • 16. 发明公开
    • METHOD FOR FORMING FINE PATTERN
    • VERFAHREN ZUR BILDUNG EINER FEINEN STRUKTUR
    • EP1413927A1
    • 2004-04-28
    • EP02746013.8
    • 2002-07-12
    • Semiconductor Leading Edge Technologies, Inc.Daikin Industries, Ltd.
    • TORIUMI, Minoru, c/o Yodogawa SeisakushoYAMAZAKI, TamioWATANABE, HiroyukiITANI, ToshiroARAKI, Takayuki c/o Yodogawa-seisakushoISHIKAWA, Takuji c/o Yodogawa-seisakusho
    • G03F7/039H01L21/027
    • H01L21/0275G03F7/0046G03F7/0233G03F7/0395H01L21/0277H01L21/0278H01L21/0279
    • There is provided a method of forming a fine resist pattern in which a highly practicable photosensitive composition obtained from a material having a high transparency against an exposure light having a short wavelength such as F 2 excimer laser beam is used as a resist. The method of forming a fine resist pattern comprises, in order, a step for forming a photosensitive layer on a substrate or on a given layer on the substrate using a photosensitive composition comprising at least a compound generating an acid by irradiation of light and a fluorine-containing polymer comprising a norbornene derivative unit having OH group or a functional group which can be converted to OH group by an acid, a step for exposing by selectively irradiating the given area of said photosensitive layer with energy ray, a step for heat-treating the exposed photosensitive layer, and a step for forming a fine pattern by developing the heat-treated photosensitive layer to selectively remove an exposed portion or an un-exposed portion of the photosensitive layer.
    • 精细抗蚀剂图案形成包括:(i)使用在照射光下形成酸的含氟聚合物的组合物在基底或基底固定层上形成感光层; (ii)选择性地将光束照射到感光层的区域; (iii)热处理层; 和(iv)通过显影层形成精细图案并选择性地去除层的暴露/未曝光部分。 精细抗蚀剂图案形成包括:(i)使用含有在照射光下形成酸的含氟聚合物的光敏组合物在基底或基底固定层上形成感光层; (ii)通过选择性地将照射能量束暴露于感光层的固定区域; (iii)热处理感光层; 和(iv)通过使感光层显影并选择性地去除感光层的曝光或未曝光部分,形成精细图案。 含氟聚合物为式(I),数均分子量为500-1000000,含(摩尔%):M1(1-99); M2(99-1); 和A1(0-98)。 - (M1) - (M2) - (A1)(I)[图像] M1:衍生自具有≥1个氟原子的2-3C烯属单体的结构单元; M2:衍生自> = 1的结构单元,选自具有式(II)的含氟醇结构的降冰片烯衍生物; A1:衍生自可与M1和M2共聚的单体的结构单元; Rf1>和Rf2> 1-10C氟代烷基或含醚键的氟代烷基; Y:OH基或使用酸改变为OH基的基团; X,F,Cl,1-10C烷基或含醚键的氟代烷基,≥1为氟或任选含有醚键的烷基; R:H或1-10C烷基; n:0-5。