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    • 6. 发明授权
    • Nonvolatile memory device and method of fabricating the same
    • 非易失性存储器件及其制造方法
    • US09153577B2
    • 2015-10-06
    • US13537454
    • 2012-06-29
    • Chan-Jin Park
    • Chan-Jin Park
    • H01L21/8239H01L27/06H01L27/10H01L27/24H01L45/00
    • H01L27/0688H01L27/101H01L27/2454H01L27/249H01L45/04H01L45/1226H01L45/146
    • Provided is a method of fabricating a nonvolatile memory device. The method of fabricating a nonvolatile memory device, the method comprising: sequentially stacking a first interlayer insulating film, a first sacrificial film, a second interlayer insulating film, and a second sacrificial film on a semiconductor substrate; forming a first penetrating portion, which exposes a region of a top surface of the semiconductor substrate, by etching the first and second interlayer insulating films and the first and second sacrificial films; forming an epitaxial layer on the exposed region of the top surface of the semiconductor substrate in the first penetrating portion by epitaxial growth; forming a first electrode, which contacts a resistance change film and the epitaxial layer, in the first penetrating portion; exposing regions of side surfaces of the epitaxial layer by removing the first epitaxial film; forming an insulating film inside the exposed regions of the side surfaces of the epitaxial layer; and forming a second electrode on the exposed regions of the side surfaces of the epitaxial layer.
    • 提供一种制造非易失性存储器件的方法。 一种制造非易失性存储器件的方法,该方法包括:在半导体衬底上依次层叠第一层间绝缘膜,第一牺牲膜,第二层间绝缘膜和第二牺牲膜; 通过蚀刻所述第一和第二层间绝缘膜和所述第一和第二牺牲膜,形成暴露所述半导体衬底的顶表面的区域的第一穿透部分; 通过外延生长在第一穿透部分的半导体衬底的顶表面的暴露区域上形成外延层; 在第一穿透部分中形成接触电阻变化膜和外延层的第一电极; 通过去除第一外延膜来暴露外延层的侧表面的区域; 在外延层的侧表面的暴露区域内形成绝缘膜; 以及在所述外延层的侧表面的暴露区域上形成第二电极。
    • 10. 发明授权
    • Nonvolatile memory device and method for fabricating the same
    • 非易失性存储器件及其制造方法
    • US09159727B2
    • 2015-10-13
    • US13537588
    • 2012-06-29
    • Chan-Jin Park
    • Chan-Jin Park
    • H01L21/02H01L27/10H01L27/24H01L45/00
    • H01L27/101H01L27/2454H01L27/249H01L45/04H01L45/1226H01L45/146
    • Provided are a nonvolatile memory device and a method for fabricating the same. The method includes sequentially stacking on a semiconductor substrate a first interlayer dielectric film, a first sacrificial layer, a second interlayer dielectric film, and a second sacrificial layer, forming a resistance variable layer and a first electrode penetrating the first and second interlayer dielectric films and the first and second sacrificial layers, forming an upper trench by removing a top portion of the first electrode, filling the upper trench with a channel layer, exposing a portion of a side surface of the resistance variable layer by removing the second sacrificial layer, forming an insulation layer within the channel layer, and forming a second electrode on the exposed resistance variable layer.
    • 提供一种非易失性存储器件及其制造方法。 该方法包括在半导体衬底上依次堆叠第一层间电介质膜,第一牺牲层,第二层间电介质膜和第二牺牲层,形成电阻变化层和穿透第一和第二层间电介质膜的第一电极,以及 所述第一牺牲层和所述第二牺牲层通过去除所述第一电极的顶部而形成上沟槽,用沟道层填充所述上沟槽,通过去除所述第二牺牲层暴露所述电阻可变层的侧表面的一部分,形成 沟道层内的绝缘层,并且在暴露的电阻变化层上形成第二电极。