Nonvolatile memory device with h-shaped blocks and method of fabricating the same

    公开(公告)号:US11594550B2

    公开(公告)日:2023-02-28

    申请号:US16852907

    申请日:2020-04-20

    Abstract: A nonvolatile memory device with improved product reliability and a method of fabricating the same is provided. The nonvolatile memory device comprises a substrate, a first mold structure disposed on the substrate and including a plurality of first gate electrodes, a second mold structure disposed on the first mold structure and including a plurality of second gate electrodes and a plurality of channel structures intersecting the first gate electrodes and the second gate electrodes by penetrating the first and second mold structures, wherein the first mold structure includes first and second stacks, which are spaced apart from each other, and the second mold structure includes a third stack, which is stacked on the first stack, a fourth stack, which is stacked on the second stack, and first connecting parts, which connect the third and fourth stacks.

    Semiconductor device
    2.
    发明授权

    公开(公告)号:US11121148B2

    公开(公告)日:2021-09-14

    申请号:US16912894

    申请日:2020-06-26

    Abstract: A semiconductor device includes a first substrate including a cell region and surrounded by an extension region, a common source plate on the first substrate, a supporter on the common source plate, a first stack structure on the supporter and including an alternately stacked first insulating film and first gate electrode, a channel hole penetrating the first stack structure, the supporter, and the common source plate on the cell region, and an electrode isolation trench spaced apart from the channel hole in a first direction on the cell region, extending in a second direction, and penetrating the first stack structure, the supporter, and the common source plate, wherein a first thickness of the supporter in a first region adjacent to the electrode isolation trench is greater than a second thickness of the supporter in a second region formed between the electrode isolation trench and the channel hole.

    Semiconductor device
    4.
    发明授权

    公开(公告)号:US11723200B2

    公开(公告)日:2023-08-08

    申请号:US17399239

    申请日:2021-08-11

    CPC classification number: H10B43/20 G11C7/18 H01L29/0649 H01L29/0847

    Abstract: A semiconductor device includes a first substrate including a cell region and surrounded by an extension region, a common source plate on the first substrate, a supporter on the common source plate, a first stack structure on the supporter and including an alternately stacked first insulating film and first gate electrode, a channel hole penetrating the first stack structure, the supporter, and the common source plate on the cell region, and an electrode isolation trench spaced apart from the channel hole in a first direction on the cell region, extending in a second direction, and penetrating the first stack structure, the supporter, and the common source plate, wherein a first thickness of the supporter in a first region adjacent to the electrode isolation trench is greater than a second thickness of the supporter in a second region formed between the electrode isolation trench and the channel hole.

    SEMICONDUCTOR MEMORY DEVICES, METHODS FOR FABRICATING THE SAME AND ELECTRONIC SYSTEMS INCLUDING THE SAME

    公开(公告)号:US20250105155A1

    公开(公告)日:2025-03-27

    申请号:US18976693

    申请日:2024-12-11

    Abstract: A semiconductor memory device may include a mold structure that includes mold insulation films and gate electrodes alternately stacked on a first substrate, a channel structure that penetrates the mold structure and intersects the gate electrodes, a block separation region that extends in a first direction parallel to an upper surface of the first substrate and cuts the mold structure, a first dam region and a second dam region spaced apart from each other, that each having a closed loop in a plan view and each cutting the mold structure, pad insulation films in the first and second dam regions that are alternately stacked with the mold insulation films and include a material different from the mold insulation films, and a through via which penetrates through the first substrate, the mold insulation films, and the pad insulation films, in the first dam region but not in the second dam region.

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