Image sensor
    1.
    发明授权

    公开(公告)号:US11239269B2

    公开(公告)日:2022-02-01

    申请号:US16451412

    申请日:2019-06-25

    Abstract: An image sensor including a semiconductor substrate having a first surface and a second surface; and a pixel isolation film extending from the first surface of the semiconductor substrate into the semiconductor substrate and defining active pixels in the semiconductor substrate, wherein the pixel isolation film includes a buried conductive layer including polysilicon containing a fining element at a first concentration; and an insulating liner between the buried conductive layer and the semiconductor substrate, and wherein the fining element includes oxygen, carbon, or fluorine.

    Image sensor
    2.
    发明授权

    公开(公告)号:US12068337B2

    公开(公告)日:2024-08-20

    申请号:US18144969

    申请日:2023-05-09

    CPC classification number: H01L27/14605 H04N25/40

    Abstract: An image sensor including a semiconductor substrate having a first surface and a second surface; and a pixel isolation film extending from the first surface of the semiconductor substrate into the semiconductor substrate and defining active pixels in the semiconductor substrate, wherein the pixel isolation film includes a buried conductive layer including polysilicon containing a fining element at a first concentration; and an insulating liner between the buried conductive layer and the semiconductor substrate, and wherein the fining element includes oxygen, carbon, or fluorine.

    Image sensor
    3.
    发明授权

    公开(公告)号:US11652113B2

    公开(公告)日:2023-05-16

    申请号:US17519701

    申请日:2021-11-05

    CPC classification number: H01L27/14605 H04N5/341

    Abstract: An image sensor including a semiconductor substrate having a first surface and a second surface; and a pixel isolation film extending from the first surface of the semiconductor substrate into the semiconductor substrate and defining active pixels in the semiconductor substrate, wherein the pixel isolation film includes a buried conductive layer including polysilicon containing a fining element at a first concentration; and an insulating liner between the buried conductive layer and the semiconductor substrate, and wherein the fining element includes oxygen, carbon, or fluorine.

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