NONVOLATILE MEMORY DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20200176464A1

    公开(公告)日:2020-06-04

    申请号:US16512513

    申请日:2019-07-16

    Abstract: A nonvolatile memory device includes a substrate including a cell region and a peripheral circuit region, a stacked structure on the cell region, the stacked structure including a plurality of gate patterns separated from each other and stacked sequentially, a semiconductor pattern connected to the substrate through the stacked structure, a peripheral circuit element on the peripheral circuit region, a first interlayer insulating film on the cell region and the peripheral circuit region, the first interlayer insulating film covering the peripheral circuit element, and a lower contact connected to the peripheral circuit element through the first interlayer insulating film, a height of a top surface of the lower contact being lower than or equal to a height of a bottom surface of a lowermost gate pattern of the plurality of gate patterns on the first interlayer insulating film.

    SEMICONDUCTOR MEMORY DEVICE
    2.
    发明申请

    公开(公告)号:US20220028885A1

    公开(公告)日:2022-01-27

    申请号:US17203122

    申请日:2021-03-16

    Abstract: A semiconductor memory device includes a first stacked structure, a first supporter layer, a second stacked structure, a block cut structure, and a second supporter layer on the second stacked structure and separated by a second cut pattern. The first stacked structure includes a first and second stack, the second stacked structure includes a third stack separated by the block cut structure and a fourth stack, the first supporter layer is on the first stack and the second stack, the second supporter layer is on the third stack and the fourth stack, the first cut pattern includes a first connection on the block cut structure and connecting the first supporter layer and the second stack, and the second cut pattern of the second supporter layer includes a second connection on the block cut structure and connecting the second supporter layer placed on the third stack and the fourth stack.

    SEMICONDUCTOR MEMORY DEVICE
    3.
    发明公开

    公开(公告)号:US20240215245A1

    公开(公告)日:2024-06-27

    申请号:US18595737

    申请日:2024-03-05

    CPC classification number: H10B43/27 H10B41/10 H10B41/27 H10B43/10

    Abstract: A semiconductor memory device includes a first stacked structure, a first supporter layer, a second stacked structure, a block cut structure, and a second supporter layer on the second stacked structure and separated by a second cut pattern. The first stacked structure includes a first and second stack, the second stacked structure includes a third stack separated by the block cut structure and a fourth stack, the first supporter layer is on the first stack and the second stack, the second supporter layer is on the third stack and the fourth stack, the first cut pattern includes a first connection on the block cut structure and connecting the first supporter layer and the second stack, and the second cut pattern of the second supporter layer includes a second connection on the block cut structure and connecting the second supporter layer placed on the third stack and the fourth stack.

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