Vertical memory device
    3.
    发明授权

    公开(公告)号:US11903185B2

    公开(公告)日:2024-02-13

    申请号:US17560050

    申请日:2021-12-22

    Applicant: SK hynix Inc.

    CPC classification number: H10B12/373 H10B12/0383 H10B12/09 H10B12/50

    Abstract: Disclosed is a vertically stacked 3D memory device, and the memory device may include a bit line extended vertically from a substrate, and including a first vertical portion and a second vertical portion, a vertical active layer configured to surround the first and second vertical portions of the bit line, a word line configured to surround the vertical active layer and the first vertical portion of the bit line, and a capacitor spaced apart vertically from the word line, and configured to surround the vertical active layer and the second vertical portion of the bit line.

    MEMORY CELL STRUCTURE
    4.
    发明公开

    公开(公告)号:US20240032281A1

    公开(公告)日:2024-01-25

    申请号:US18223560

    申请日:2023-07-19

    CPC classification number: H10B12/373 H10B12/482

    Abstract: A memory cell structure includes a silicon substrate, a transistor, and a capacitor. The silicon substrate has a silicon surface. The transistor is coupled to the silicon surface, the transistor includes a gate structure, a first conductive region, and a second conductive region. The capacitor has a signal electrode and a counter electrode, the capacitor is over the transistor, and the signal electrode is electrically coupled to the second conductive region of the transistor and isolated from the first conductive region of the transistor. The counter electrode includes a plurality of sub-electrodes electrically connected with each other.

    Memory cell structure with capacitor over transistor

    公开(公告)号:US12082400B2

    公开(公告)日:2024-09-03

    申请号:US17308071

    申请日:2021-05-05

    Inventor: Chao-Chun Lu

    CPC classification number: H10B12/373

    Abstract: A memory cell structure includes a silicon substrate, a transistor, a bit line, and a capacitor. The silicon substrate has a silicon surface. The transistor is coupled to the silicon surface, wherein the transistor includes a gate structure, a first conductive region, and a second conductive region. The bit line is electrically coupled to the first conductive region of the transistor and positioned under the silicon surface. The capacitor is over the transistor and electrically coupled to the second conductive region of the transistor.

    SEMICONDUCTOR DEVICE STRUCTURE AND METHOD MAKING THE SAME

    公开(公告)号:US20230232607A1

    公开(公告)日:2023-07-20

    申请号:US17420124

    申请日:2020-12-03

    Inventor: Jinil LEE

    CPC classification number: H10B12/0387 H10B12/373 H01L28/91

    Abstract: The present disclosure is in the field of semiconductor devices, in particular, to a semiconductor structure and a method of forming the same. The semiconductor structure includes: a substrate with a trench extending in a direction of the substrate; a capacitor fabricated in the trench, the capacitor includes a lower electrode disposed on an inner wall of the trench, a dielectric combination layer disposed on the lower electrode, and an upper electrode disposed on the dielectric combination layer; the dielectric combination layer includes a stacked structure composed of a nitride layer and an oxide layer. The device can increase the capacitance of the capacitor significantly and reduce the occurrence of charge leakage, thereby improving the electrical performance of the semiconductor memory device.

    MEMORY DEVICE AND METHOD FOR MANUFACTURING MEMORY DEVICE

    公开(公告)号:US20230180460A1

    公开(公告)日:2023-06-08

    申请号:US18165381

    申请日:2023-02-07

    Abstract: A memory device and a method for manufacturing a memory device are provided. The memory device includes: a substrate, and a plurality of first capacitors embedded in the substrate; a plurality of first vertical transistors and a plurality of second vertical transistors, in which the plurality of first vertical transistors and the plurality of second vertical transistors are arranged on the substrate, and in which each of the plurality of first vertical transistors is electrically connected to a respective one of the plurality of first capacitors; and a plurality of second capacitors arranged on the plurality of first vertical transistors and the plurality of second vertical transistors, in which each of the plurality of second capacitors is electrically connected to a respective one of the plurality of second vertical transistors.

    SEMICONDUCTOR STRUCTURE AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20240023316A1

    公开(公告)日:2024-01-18

    申请号:US18218209

    申请日:2023-07-05

    Inventor: SZU-YAO CHANG

    CPC classification number: H10B12/373 H10B12/05

    Abstract: A semiconductor structure and a method of manufacturing a semiconductor structure are provided. The semiconductor structure includes a substrate, an upper structure, a vertical transistor an electrical pad. The upper structure is disposed on the substrate and defines a hole. The vertical transistor is disposed in the hole. The electrical pad is disposed in the hole and on the vertical transistor. A top surface of the electrical pad is substantially aligned with a topmost surface of the upper structure.

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