Semiconductor device and method for fabricating the same

    公开(公告)号:US11355639B1

    公开(公告)日:2022-06-07

    申请号:US17140157

    申请日:2021-01-04

    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first fin-shaped structure on the first region; removing part of the first fin-shaped structure to form a first trench; forming a dielectric layer in the first trench to form a double diffusion break (DDB) structure; and forming a first gate structure and a second gate structure on the DDB structure. Preferably, a bottom surface of the first gate structure is lower than a top surface of the first fin-shaped structure.

    SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20220181481A1

    公开(公告)日:2022-06-09

    申请号:US17140157

    申请日:2021-01-04

    Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first fin-shaped structure on the first region; removing part of the first fin-shaped structure to form a first trench; forming a dielectric layer in the first trench to form a double diffusion break (DDB) structure; and forming a first gate structure and a second gate structure on the DDB structure. Preferably, a bottom surface of the first gate structure is lower than a top surface of the first fin-shaped structure.

    SEMICONDUCTOR DEVICE AND METHOD FOR FABRICATING THE SAME

    公开(公告)号:US20220262687A1

    公开(公告)日:2022-08-18

    申请号:US17737031

    申请日:2022-05-05

    Abstract: A method for fabricating semiconductor device includes the steps of providing a substrate having a first region and a second region, forming a first fin-shaped structure on the first region, removing part of the first fin-shaped structure to form a first trench, forming a dielectric layer in the first trench to form a double diffusion break (DDB) structure, forming a first gate structure and a second gate structure on the DDB structure as a bottom surface of the first gate structure is lower than a top surface of the first fin-shaped structure, and forming a contact plug between the first gate structure and the second gate structure on the DDB structure.

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