SEMICONDUCTOR MEMORY DEVICE AND METHOD FOR MANUFACTURING THE SAME

    公开(公告)号:US20250081444A1

    公开(公告)日:2025-03-06

    申请号:US18610790

    申请日:2024-03-20

    Abstract: A semiconductor memory device includes a peripheral gate structure, bit lines above the peripheral gate structure, being apart from each other in a first direction, and extending in a second direction different from the first direction, first and second active patterns above the bit lines and apart from each other in the second direction, first and second word lines between the first and active patterns and being adjacent to the first and second active patterns, respectively, a first back gate electrode corresponding to the first word line, the first active pattern being between the first back gate electrode and the first word line, a second back gate electrode corresponding to the second word line, the second active being between the second back gate electrode and the second word line, and a word line shielding structure between the first word line and the second word line.

    SEMICONDUCTOR MEMORY DEVICE
    2.
    发明公开

    公开(公告)号:US20240147706A1

    公开(公告)日:2024-05-02

    申请号:US18370149

    申请日:2023-09-19

    CPC classification number: H10B12/488 H10B12/315 H10B12/482 H10B12/50

    Abstract: A semiconductor memory device may include a substrate, a bit line extending in a first direction on the substrate, a first word line and a second word line extending in a second direction to cross the bit line, a back-gate electrode extending in the second direction between the first word line and the second word line, first and second active patterns disposed between the first and second word lines and the back-gate electrode and connected to the bit line, contact patterns coupled to the first and second active patterns, respectively, a first back-gate capping pattern between the contact patterns and the back-gate electrode, and first gate capping patterns between the contact patterns and the first and second word lines. The first back-gate capping pattern and the first gate capping pattern may have first and second seams, which are extended in the second direction and are located at different vertical levels.

    SEMICONDUCTOR MEMORY DEVICE
    3.
    发明公开

    公开(公告)号:US20240147701A1

    公开(公告)日:2024-05-02

    申请号:US18238790

    申请日:2023-08-28

    Abstract: A semiconductor memory device may include a substrate including a cell array region and a connection region, bit lines provided on the substrate and extending in a first direction, first and second active patterns alternately arranged in the first direction on each of the bit lines, back-gate electrodes disposed between adjacent ones of the first and second active patterns and extended in a second direction to cross the bit lines, first and second word lines disposed adjacent to the first and second active patterns respectively and extending in the second direction, and a shielding conductive pattern including line portions, which are respectively disposed between adjacent ones of the bit lines, and a plate portion, which is connected in common to the line portions. A length of the line portions of the shielding conductive pattern in the first direction may be shorter than that of the bit lines.

    SEMICONDUCTOR MEMORY DEVICE
    4.
    发明公开

    公开(公告)号:US20230363143A1

    公开(公告)日:2023-11-09

    申请号:US18182539

    申请日:2023-03-13

    CPC classification number: H10B12/315 H10B12/482 H10B12/05 H10B80/00

    Abstract: A semiconductor memory device is disclosed. The semiconductor memory device may include a bit line extending in a first direction, first and second active patterns disposed on the bit line, a back-gate electrode, which is disposed between the first and second active patterns and is extended in a second direction to cross the bit line, a first word line, which is provided at a side of the first active pattern and is extended in the second direction, a second word line, which is provided at an opposite side of the second active pattern and is extended in the second direction, and contact patterns coupled to the first and second active patterns, respectively.

    SEMICONDUCTOR DEVICES INCLUDING THROUGH-PLUGS

    公开(公告)号:US20250142804A1

    公开(公告)日:2025-05-01

    申请号:US18734052

    申请日:2024-06-05

    Abstract: A semiconductor device includes gate electrodes extending in a first horizontal direction on a memory cell region and stacked and spaced apart from each other in a vertical direction, back-gate electrodes extending between the gate electrodes in the first horizontal direction and stacked and spaced apart from each other in the vertical direction, vertical conductive patterns extending in the vertical direction and spaced apart from each other in the first horizontal direction on the memory cell region, active layers between the gate electrodes and the back-gate electrodes, extending in a second horizontal direction intersecting with the first horizontal direction, and electrically connected to the vertical conductive patterns on the memory cell region, and a through-plug extending in the vertical direction and in contact with side surfaces of the back-gate electrodes.

    SEMICONDUCTOR DEVICES
    7.
    发明申请

    公开(公告)号:US20220199793A1

    公开(公告)日:2022-06-23

    申请号:US17443553

    申请日:2021-07-27

    Abstract: A semiconductor device includes a plurality of semiconductor structures disposed on a substrate, a first conductive pattern, a first conductive pattern, a gate insulation pattern, a second conductive pattern and a second impurity region. Each of the semiconductor structures includes a first semiconductor pattern that has a linear shape that extends in a first direction and second semiconductor patterns that protrude from an upper surface of the first semiconductor pattern in a vertical direction. The semiconductor structures are spaced apart from each other in a second direction perpendicular to the first direction. The first conductive pattern is formed between the first semiconductor patterns. The first impurity region is formed in an opening in the first semiconductor pattern adjacent to a first sidewall of the second semiconductor pattern. The first impurity region includes an impurity diffusion harrier pattern and a polysilicon pattern doped with impurities

    SEMICONDUCTOR DEVICES
    8.
    发明申请

    公开(公告)号:US20250107071A1

    公开(公告)日:2025-03-27

    申请号:US18671624

    申请日:2024-05-22

    Abstract: A semiconductor device comprising: a substrate; bit lines on the substrate; word lines on the bit lines, wherein the word lines are spaced apart from each other in a first direction; activation patterns between the word lines; a back gate electrode between the activation patterns, wherein the back gate electrode extends in a second direction; and a first gate separation pattern between the word lines in the first direction, wherein a portion of the word lines is a space between the activation patterns in the second direction and the word lines extend around the activation patterns, wherein the word lines and the first gate separation pattern each include a first surface facing the bit lines and a second surface opposite to the first surface in a third direction, wherein the first gate separation pattern is closer than the word lines to the bit lines in the third direction.

    SEMICONDUCTOR MEMORY DEVICE
    10.
    发明公开

    公开(公告)号:US20240147707A1

    公开(公告)日:2024-05-02

    申请号:US18242817

    申请日:2023-09-06

    Abstract: A semiconductor memory device may include a substrate including a cell array region and a peripheral circuit region, an active pattern on the cell array region of the substrate, a peripheral active pattern on the peripheral circuit region of the substrate, a peripheral gate electrode disposed on a top surface of the peripheral active pattern, a first interlayer insulating pattern provided on the cell array region to cover a top surface of the active pattern, a first etch stop layer covering the first interlayer insulating pattern and the peripheral gate electrode with a uniform thickness, and a second interlayer insulating pattern disposed on the first etch stop layer and in the peripheral circuit region. In the cell array region, the second interlayer insulating pattern may have a top surface, which is located at substantially the same level as a top surface of the first etch stop layer.

Patent Agency Ranking