GALLIUM NITRIDE AND SILICON CARBIDE HYBRID POWER DEVICE

    公开(公告)号:US20210091061A1

    公开(公告)日:2021-03-25

    申请号:US17020189

    申请日:2020-09-14

    Abstract: A hybrid silicon carbide (SiC) device includes a first device structure having a first substrate comprising SiC of a first conductivity type and a first SiC layer of the first conductivity type, where the first SiC layer is formed on a face of the first substrate. The first device structure also includes a second SiC layer of a second conductivity type that is formed on a face of the first SiC layer and a first contact region of the first conductivity type, where the first contact region traverses the second SiC layer and contacts the first SiC. The device also includes a second device structure that is bonded to the first device structure. The second device structure includes a switching device formed on a second substrate and a second contact region that traverses a first terminal region of the switching device and contacts the first contact region.

    Field managed group III-V field effect device with epitaxial back-side field plate

    公开(公告)号:US11355598B2

    公开(公告)日:2022-06-07

    申请号:US16502285

    申请日:2019-07-03

    Abstract: A semiconductor device having a back-side field plate includes a buffer layer that includes a first compound semiconductor material, where the buffer layer is epitaxial to a crystalline substrate. The semiconductor device also includes field plate layer that is disposed on a surface of the buffer layer. The semiconductor device further includes a first channel layer disposed over the field plate layer, where the first channel layer includes the first compound semiconductor material. The semiconductor device further includes a region comprising a two-dimensional electron gas, where the two-dimensional electron gas is formed at an interface between the first channel layer and a second channel layer. The semiconductor device additionally includes a back-side field plate that is formed by a region of the field plate layer and is electrically isolated from other regions of the field plate layer.

    GALLIUM NITRIDE DEVICE FOR HIGH FREQUENCY AND HIGH POWER APPLICATIONS

    公开(公告)号:US20230058073A1

    公开(公告)日:2023-02-23

    申请号:US18047914

    申请日:2022-10-19

    Abstract: A semiconductor device includes a layer of a first semiconducting material, where the first semiconducting material is epitaxially grown to have a crystal structure of a first substrate. The semiconductor device further includes a layer of a second semiconducting material disposed adjacent to the layer of the first semiconducting material to form a heterojunction with the layer of the first semiconducting material. The semiconductor device further includes a first component that is electrically coupled to the heterojunction, and a second substrate that is bonded to the layer of the first semiconducting material.

    Gallium nitride device for high frequency and high power applications

    公开(公告)号:US11508821B2

    公开(公告)日:2022-11-22

    申请号:US15975917

    申请日:2018-05-10

    Abstract: A semiconductor device includes a layer of a first semiconducting material, where the first semiconducting material is epitaxially grown to have a crystal structure of a first substrate. The semiconductor device further includes a layer of a second semiconducting material disposed adjacent to the layer of the first semiconducting material to form a heterojunction with the layer of the first semiconducting material. The semiconductor device further includes a first component that is electrically coupled to the heterojunction, and a second substrate that is bonded to the layer of the first semiconducting material.

Patent Agency Ranking