SEMICONDUCTOR DEVICES AND MEMORY SYSTEMS INCLUDING THE SAME

    公开(公告)号:US20220375862A1

    公开(公告)日:2022-11-24

    申请号:US17563275

    申请日:2021-12-28

    Abstract: A semiconductor device includes a substrate including a cell array region and a contact region; a plurality of gate electrodes arranged on the substrate in a first direction perpendicular to an upper surface of the substrate, the plurality of gate electrodes being extending in the cell array region and the contact region; a plurality of channel structures penetrating the plurality of gate electrodes in the first direction in the cell array region; a plurality of dummy channel structures penetrating the plurality of gate electrodes in the first direction in the contact region; a plurality of cell gate contacts extending in the first direction and each electrically connected to a respective one of the plurality of gate electrodes in the contact region; and a plurality of dummy contacts extending in the first direction on the plurality of dummy channel structures.

    SEMICONDUCTOR DEVICES AND DATA STORAGE SYSTEMS INCLUDING THE SAME

    公开(公告)号:US20220367359A1

    公开(公告)日:2022-11-17

    申请号:US17567249

    申请日:2022-01-03

    Abstract: A semiconductor device includes a first structure including a substrate, circuit devices, a lower interconnection structure electrically connected to the circuit devices, and a second structure on the first structure. The second structure includes a conductive plate layer; gate electrodes on the conductive plate layer and extending in a first direction; separation regions penetrating through the gate electrodes and extending in the first direction; channel structures penetrating through the gate electrodes and respectively including a channel layer; through-contact plugs spaced apart from the gate electrodes and extending in the vertical direction to be electrically connected to the lower interconnection structure of the first structure; first and second contacts electrically connected to the channel layer and the through-contact plugs, respectively; bitlines electrically connecting at least one of each of the first and second contacts to each other; and dummy contacts connected to the bitlines and spaced apart from the through-contact plugs.

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