SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR DEVICE

    公开(公告)号:US20240244841A1

    公开(公告)日:2024-07-18

    申请号:US18618675

    申请日:2024-03-27

    申请人: SK hynix Inc.

    发明人: Nam Jae LEE

    IPC分类号: H10B43/23 H10B43/27 H10B43/35

    CPC分类号: H10B43/23 H10B43/27 H10B43/35

    摘要: A semiconductor device and a method of manufacturing the semiconductor device are provided. The semiconductor device includes a source structure formed on a base, an etch prevention layer formed on the source structure, bit lines, a stack structure located between the etch prevention layer and the bit lines and including conductive layers and insulating layers that are alternately stacked on each other; and a source contact structure extending into the stack structure in a vertical direction to be coupled to the source structure, wherein the source contact structure includes polysilicon.

    SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20230343388A1

    公开(公告)日:2023-10-26

    申请号:US18340214

    申请日:2023-06-23

    申请人: SK hynix Inc.

    发明人: Nam Jae LEE

    IPC分类号: G11C11/413

    CPC分类号: G11C11/413 H10B10/00

    摘要: There are provided a semiconductor memory device and a manufacturing method thereof. The semiconductor memory device includes: a source layer; a channel structure extending in a first direction from within the source layer; a source-channel contact layer surrounding the channel structure on the source layer; a first select gate layer overlapping with the source-channel contact layer and surrounding the channel structure; a stack including interlayer insulating layers and conductive patterns that are alternately stacked in the first direction and surrounding the channel structure, the stack overlapping with the first select gate layer; and a first insulating pattern that is formed thicker between the first select gate layer and the channel structure than between the stack and the channel structure.

    SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

    公开(公告)号:US20230178485A1

    公开(公告)日:2023-06-08

    申请号:US18103228

    申请日:2023-01-30

    申请人: SK hynix Inc.

    发明人: Nam Jae LEE

    IPC分类号: H01L23/528 H10B43/27

    CPC分类号: H01L23/528 H10B43/27

    摘要: A semiconductor device includes: a stack structure including conductive patterns and stack insulating layers, which are alternately stacked; a channel structure penetrating the stack structure; a tunnel insulating layer surrounding the channel structure; a cell storage pattern surrounding the tunnel insulating layer; and a dummy storage pattern surrounding the tunnel insulating layer, the dummy storage pattern being spaced apart from the cell storage pattern. The conductive patterns include a select conductive pattern in contact with the tunnel insulating layer.

    MEMORY DEVICE AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20230051615A1

    公开(公告)日:2023-02-16

    申请号:US17975241

    申请日:2022-10-27

    申请人: SK hynix Inc.

    发明人: Nam Jae LEE

    摘要: A memory device and a method of manufacturing the memory device includes a stacked structure having a cell region and a slimming region. The memory device also includes a plurality of vertical channel structures each including memory cells and vertically passing through the stacked structure in the cell region. The memory device further includes a plurality of support structures each having a structure of each of the vertical channel structures and vertically passing through the stacked structure in the slimming region. The plurality of support structures have different heights depending on the shape of the stacked structure in the slimming region.

    SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

    公开(公告)号:US20230045057A1

    公开(公告)日:2023-02-09

    申请号:US17970360

    申请日:2022-10-20

    申请人: SK hynix Inc.

    发明人: Nam Jae LEE

    摘要: A semiconductor device may include a plurality of first contact structures, plug-shaped second contact structures configured to be connected to a first number of the plurality of first contact structures, respectively, a slit-shaped second contact structure configured to be connected to a second number of the plurality of first contact structures, adjacent in a first direction, and a third contact structure configured to be connected to sidewalls of the plug-shaped second contact structures, adjacent in the first direction.

    SEMICONDUCTOR MEMORY DEVICE AND MANUFACTURING METHOD OF THE SEMICONDUCTOR MEMORY DEVICE

    公开(公告)号:US20220310653A1

    公开(公告)日:2022-09-29

    申请号:US17841348

    申请日:2022-06-15

    申请人: SK hynix Inc.

    IPC分类号: H01L27/11582 H01L27/24

    摘要: A semiconductor memory device and a method of manufacturing the semiconductor memory device are provided. The semiconductor memory device includes a doped semiconductor pattern including a body portion and a first protrusion protruding from the body portion in a first direction, a first channel pattern disposed on a top surface of the first protrusion and extending in the first direction, a first memory pattern surrounding a sidewall of the first channel pattern and extending on a sidewall of the first protrusion, and interlayer insulating layers and conductive patterns alternately stacked on each other in the first direction.