Methods of manufacturing a vertical memory device

    公开(公告)号:US11063060B2

    公开(公告)日:2021-07-13

    申请号:US16454499

    申请日:2019-06-27

    Abstract: A method of manufacturing a vertical memory device includes forming a first sacrificial layer on a substrate, the first sacrificial layer including a first insulating material, forming a mold including an insulation layer and a second sacrificial layer alternately and repeatedly stacked on the first sacrificial layer, the insulation layer and the second sacrificial layer including second and third insulating materials, respectively, different from the first insulating material, forming a channel through the mold and the first sacrificial layer, forming an opening through the mold and the first sacrificial layer to expose an upper surface of the substrate, removing the first sacrificial layer through the opening to form a first gap, forming a channel connecting pattern to fill the first gap, and replacing the second sacrificial layer with a gate electrode.

    Semiconductor devices including empty spaces and methods of forming the same
    6.
    发明授权
    Semiconductor devices including empty spaces and methods of forming the same 有权
    包括空位的半导体装置及其形成方法

    公开(公告)号:US09391138B2

    公开(公告)日:2016-07-12

    申请号:US14274002

    申请日:2014-05-09

    Abstract: Semiconductor devices including empty spaces and methods of forming the semiconductor devices are provided. The semiconductor devices may include first and second line structures extending in a direction on a substrate, an insulating isolation pattern between the first and second line structures and a conductive structure between the first and second line structures and next to the insulating isolation pattern along the direction. The semiconductor devices may also include an empty space including a first portion between the first line structure and the conductive structure and a second portion between the first line structure and the insulating isolation pattern. The first portion of the empty space may have a height different from a height of the second portion of the empty space.

    Abstract translation: 提供包括空白空间的半导体器件和形成半导体器件的方法。 半导体器件可以包括沿着衬底上的方向延伸的第一和第二线结构,在第一和第二线结构之间的绝缘隔离图案以及在第一和第二线结构之间的导电结构,并且沿绝缘隔离图案沿着方向 。 半导体器件还可以包括空白空间,其包括第一线结构和导电结构之间的第一部分和第一线结构与绝缘隔离图案之间的第二部分。 空白空间的第一部分可以具有与空白空间的第二部分的高度不同的高度。

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