MEMORY DEVICE AND DATA STORAGE SYSTEM INCLUDING THE SAME

    公开(公告)号:US20220122933A1

    公开(公告)日:2022-04-21

    申请号:US17460873

    申请日:2021-08-30

    Abstract: A memory device including a first structure; and a second structure on the first structure, wherein the first structure includes a first substrate; a peripheral circuit on the first substrate; a first insulating layer covering the first substrate and the peripheral circuit; and a first bonding pad on the first insulating layer, the second structure includes a second substrate; a memory cell array on a first surface of the second substrate; a second insulating layer covering the first surface of the second substrate and the memory cell array; a conductive pattern at least partially recessed from a second surface of the second substrate; and a second bonding pad on the second insulating layer, the first bonding pad is in contact with the second bonding pad, and the conductive pattern is spaced apart from the second insulating layer.

    INTEGRATED CIRCUIT DEVICE AND METHOD OF FABRICATING THE SAME

    公开(公告)号:US20220130861A1

    公开(公告)日:2022-04-28

    申请号:US17573015

    申请日:2022-01-11

    Abstract: An integrated circuit device includes: a lower memory stack including a plurality of lower word lines located on a substrate, an upper memory stack located on the lower memory stack and including a plurality of upper word lines, at least one first lower interconnection layer extending in a horizontal direction at a first vertical level between the lower memory stack and the upper memory stack, and configured to be electrically connected to at least one lower word line selected from the plurality of lower word lines, a separate insulating film covering at least one first lower interconnection layer, and at least one first upper interconnection layer extending in the horizontal direction at a second vertical level higher than the upper memory stack, and configured to be electrically connected to at least one upper word line selected from the upper word lines.

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