FIELD EFFECT TRANSISTOR
    2.
    发明申请

    公开(公告)号:US20220384659A1

    公开(公告)日:2022-12-01

    申请号:US17330780

    申请日:2021-05-26

    摘要: The present disclosure relates to semiconductor structures and, more particularly, to field effect transistors and methods of manufacture. The structure includes: at least one gate structure having source/drain regions; at least one isolation structure within the source/drain regions in a substrate material; and semiconductor material on a surface of the at least one isolation structure in the source/drain regions.

    PHOTODETECTORS USED WITH BROADBAND SIGNAL

    公开(公告)号:US20220293811A1

    公开(公告)日:2022-09-15

    申请号:US17196756

    申请日:2021-03-09

    摘要: The present disclosure relates to semiconductor structures and, more particularly, to photodetectors used with a broadband signal and methods of manufacture. The structure includes: a first photodetector; a second photodetector adjacent to the first photodetector; a first airgap of a first size under the first photodetector structured to detect a first wavelength of light; and a second airgap of a second size under the second photodetector structured to detect a second wavelength of light.

    PHOTODIODE AND/OR PIN DIODE STRUCTURES

    公开(公告)号:US20220029032A1

    公开(公告)日:2022-01-27

    申请号:US16935854

    申请日:2020-07-22

    摘要: The present disclosure relates to semiconductor structures and, more particularly, to photodiodes and/or PIN diode structures and methods of manufacture. The structure includes: a spiral fin structure comprising semiconductor substrate material and dielectric material; a photosensitive semiconductor material over sidewalls and a top surface of the spiral fin structure, the photosensitive semiconductor material positioned to capture laterally emitted incident light; a doped semiconductor material above the photosensitive semiconductor material; and contacts electrically contacting the semiconductor substrate material and the doped semiconductor material from a top surface thereof.

    SWITCHES IN BULK SUBSTRATE
    8.
    发明申请

    公开(公告)号:US20220352210A1

    公开(公告)日:2022-11-03

    申请号:US17306078

    申请日:2021-05-03

    摘要: The present disclosure relates to semiconductor structures and, more particularly, to switches in a bulk substrate and methods of manufacture. The structure includes: at least one active device having a channel region of a first semiconductor material; a single air gap under the channel region of the at least one active device; and a second semiconductor material being coplanar with and laterally bounding at least one side of the single air gap, the second semiconductor material being different material than the first semiconductor material.

    WAVEGUIDE WITH ATTENUATOR
    9.
    发明申请

    公开(公告)号:US20220171123A1

    公开(公告)日:2022-06-02

    申请号:US17108732

    申请日:2020-12-01

    IPC分类号: G02B6/122 G02B6/13

    摘要: The present disclosure relates to semiconductor structures and, more particularly, to a waveguide structure with attenuator and methods of manufacture. The structure includes: a waveguide structure including semiconductor material; an attenuator underneath the waveguide structure; an airgap structure vertically aligned with and underneath the waveguide structure and the attenuator; and shallow trench isolation structures on sides of the waveguide structure and merging with the airgap structure.