INTEGRATED CIRCUIT DEVICE AND METHOD OF MANUFACTURING THE SAME

    公开(公告)号:US20240105791A1

    公开(公告)日:2024-03-28

    申请号:US18371869

    申请日:2023-09-22

    CPC classification number: H01L29/4236 H10B12/315 H10B12/482 H10B12/488

    Abstract: An integrated circuit device includes a substrate including a plurality of active regions; a plurality of device isolation layers provided in the substrate and defining the plurality of active regions; a plurality of bitlines spaced apart from each other in a first horizontal direction on the substrate and extending in a second horizontal direction crossing the first horizontal direction; a plurality of insulating fences spaced apart from each other in the second horizontal direction and provided between adjacent bitlines of the plurality of bitlines; a plurality of buried contacts connected to the plurality of active regions and provided between adjacent bitlines of the plurality of bitlines and between the plurality of insulating fences; and a plurality of vertical insulating layers vertically positioned between the plurality of insulating fences and the plurality of buried contacts.

    Semiconductor devices
    2.
    发明授权

    公开(公告)号:US11729963B2

    公开(公告)日:2023-08-15

    申请号:US17331725

    申请日:2021-05-27

    CPC classification number: H10B12/30 H01L29/4236

    Abstract: A semiconductor device includes a substrate including an isolation layer pattern and an active pattern, a buffer insulation layer pattern on the substrate, a polysilicon structure on the active pattern and the buffer insulation layer pattern, the polysilicon structure contacting a portion of the active pattern, and the polysilicon structure extending in a direction parallel to an upper surface of the substrate, a first diffusion barrier layer pattern on an upper surface of the polysilicon structure, the first diffusion barrier layer pattern including polysilicon doped with at least carbon, a second diffusion barrier layer pattern on the first diffusion barrier layer pattern, the second diffusion barrier layer pattern including at least a metal, and a first metal pattern and a first capping layer pattern stacked on the second diffusion barrier layer pattern.

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