GALLIUM NITRIDE (GAN) SELECTIVE EPITAXIAL WINDOWS FOR INTEGRATED CIRCUIT TECHNOLOGY

    公开(公告)号:US20230062922A1

    公开(公告)日:2023-03-02

    申请号:US17458097

    申请日:2021-08-26

    Abstract: Gallium nitride (GaN) selective epitaxial windows for integrated circuit technology is described. In an example, an integrated circuit structure includes a substrate including silicon, the substrate having a top surface. A first trench is in the substrate, the first trench having a first width and a first height. A second trench is in the substrate, the second trench having a second width and a second height. The second width is greater than the first width, and the second height is greater than the first height. A first island is in the first trench, the first island including gallium and nitrogen and having first corner facets at least partially below the top surface of the substrate. A second island is in the second trench, the second island including gallium and nitrogen and having second corner facets at least partially below the top surface of the substrate.

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