Semiconductor device
    22.
    发明授权

    公开(公告)号:US11855209B2

    公开(公告)日:2023-12-26

    申请号:US17380256

    申请日:2021-07-20

    CPC classification number: H01L29/7848 H01L29/1033

    Abstract: A semiconductor device including a substrate that includes first to third regions; a first channel structure on the first region and including first channel patterns that are vertically stacked on the substrate; a second channel structure on the second region and including a second channel pattern on the substrate; a third channel structure on the third region and including third channel patterns and fourth channel patterns that are vertically and alternately stacked on the substrate; first to third gate electrodes on the first to third channel structures; and first to third source/drain patterns on opposite sides of the first to third channel structures, wherein the first, second, and fourth channel patterns include a first semiconductor material, and the third channel patterns include a second semiconductor material different from the first semiconductor material.

    Semiconductor device
    23.
    发明授权

    公开(公告)号:US11515421B2

    公开(公告)日:2022-11-29

    申请号:US17205282

    申请日:2021-03-18

    Abstract: A semiconductor device including a substrate having a central region and a peripheral region; an integrated circuit structure on the central region; and a first structure on the peripheral region and surrounding the central region, wherein a portion of the first structure includes a first fin structure defined by a device isolation region in the substrate; a first dielectric layer covering an upper surface and side surfaces of the first fin structure and an upper surface of the device isolation region; a first gate structure on the first fin structure, the first gate structure including a first gate conductive layer, a first gate dielectric layer covering lower and side surfaces of the first gate conductive layer, and first gate spacer layers on side walls of the first gate conductive layer; and a first insulating structure covering the first dielectric layer and the first gate structure.

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