Semiconductor memory devices
    11.
    发明授权

    公开(公告)号:US10861854B2

    公开(公告)日:2020-12-08

    申请号:US16707019

    申请日:2019-12-09

    Abstract: Semiconductor memory devices are provided. A semiconductor memory device includes a substrate. The semiconductor memory device includes a plurality of memory cell transistors vertically stacked on the substrate. The semiconductor memory device includes a first conductive line connected to a source region of at least one of the plurality of memory cell transistors. The semiconductor memory device includes a second conductive line connected to a plurality of gate electrodes of the plurality of memory cell transistors. Moreover, the semiconductor memory device includes a data storage element connected to a drain region of the at least one of the plurality of memory cell transistors.

    Semiconductor devices and methods of fabricating the same

    公开(公告)号:US10796950B2

    公开(公告)日:2020-10-06

    申请号:US16238172

    申请日:2019-01-02

    Abstract: According to some embodiments, a semiconductor device may include gate structures on a substrate; first and second impurity regions formed in the substrate and at both sides of each of the gate structures; conductive line structures provided to cross the gate structures and connected to the first impurity regions; and contact plugs connected to the second impurity regions, respectively. For each of the conductive line structures, the semiconductor device may include a first air spacer provided on a sidewall of the conductive line structure; a first material spacer provided between the conductive line structure and the first air spacer; and an insulating pattern provided on the air spacer. The insulating pattern may include a first portion and a second portion, and the second portion may have a depth greater than that of the first portion and defines a top surface of the air spacer.

    Semiconductor memory devices
    13.
    发明授权

    公开(公告)号:US10535659B2

    公开(公告)日:2020-01-14

    申请号:US16038052

    申请日:2018-07-17

    Abstract: Semiconductor memory devices are provided. A semiconductor memory device includes a substrate. The semiconductor memory device includes a plurality of memory cell transistors vertically stacked on the substrate. The semiconductor memory device includes a first conductive line connected to a source region of at least one of the plurality of memory cell transistors. The semiconductor memory device includes a second conductive line connected to a plurality of gate electrodes of the plurality of memory cell transistors. Moreover, the semiconductor memory device includes a data storage element connected to a drain region of the at least one of the plurality of memory cell transistors.

    Semiconductor devices and methods of forming semiconductor devices

    公开(公告)号:US10269808B2

    公开(公告)日:2019-04-23

    申请号:US15584342

    申请日:2017-05-02

    Abstract: Semiconductor devices are provided. A semiconductor device includes a substrate. The semiconductor device includes a stack structure on the substrate. The stack structure includes a first insulating material and a second insulating material that is on the first insulating material. The semiconductor device includes a spacer that extends from a sidewall of the first insulating material of the stack structure to a portion of a sidewall of the second insulating material of the stack structure. Moreover, the semiconductor device includes a conductive line that is on the spacer. Methods of forming semiconductor devices are also provided.

    Methods for fabricating semiconductor devices
    20.
    发明授权
    Methods for fabricating semiconductor devices 有权
    制造半导体器件的方法

    公开(公告)号:US09287300B2

    公开(公告)日:2016-03-15

    申请号:US14569980

    申请日:2014-12-15

    CPC classification number: H01L27/1288 H01L21/7688 H01L27/10814 H01L27/10891

    Abstract: The present inventive concepts provide methods for fabricating semiconductor devices. The method may comprise providing a substrate, stacking a conductive layer and a lower mask layer on the substrate, forming a plurality of hardmask layers each having an island shape on the lower mask layer, forming a plurality of upper mask patterns having island shapes arranged to expose portions of the lower mask layer, etching the exposed portions of the lower mask layer to expose portions of the conductive layer, and etching the exposed portions of the conductive layer to form a plurality of contact holes each exposing a portion of the substrate.

    Abstract translation: 本发明构思提供了制造半导体器件的方法。 该方法可以包括提供衬底,在衬底上堆叠导电层和下掩模层,在下掩模层上形成各自具有岛状的多个硬掩模层,形成具有岛形的多个上掩模图案,其布置成 暴露下掩模层的部分,蚀刻下掩模层的暴露部分以暴露导电层的部分,并且蚀刻导电层的暴露部分以形成多个接触孔,每个接触孔暴露衬底的一部分。

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