MONOLITHIC MICROWAVE INTEGRATED CIRCUIT FRONT-END MODULE

    公开(公告)号:US20220393656A1

    公开(公告)日:2022-12-08

    申请号:US17807677

    申请日:2022-06-17

    Applicant: EPINOVATECH AB

    Abstract: There is provided a monolithic microwave integrated circuit, MMIC, front-end module (100) comprising: a gallium nitride structure (110) supported by a silicon substrate (120); a silicon-based transmit/receive switch (130) having a transmit mode and a receive mode; a transmit amplifier (112) configured to amplify an outgoing signal to be transmitted by said MMIC front-end module, wherein said transmit amplifier is electrically connected (132) to said transmit/receive switch, wherein said transmit amplifier comprises a gallium nitride high-electron-mobility transistor, HEMT, (114) formed in said gallium nitride structure; and a receive amplifier (113) configured to amplify an incoming signal received by said MMIC front-end module, wherein said receive amplifier is electrically connected (133) to said transmit/receive switch, wherein said receive amplifier comprises a gallium nitride HEMT (115) formed in said gallium nitride structure.

    Solid-state battery layer structure and method for producing the same

    公开(公告)号:US11316165B2

    公开(公告)日:2022-04-26

    申请号:US17302907

    申请日:2021-05-14

    Applicant: Epinovatech AB

    Abstract: There is provided a solid-state battery layer structure which may include an anode current collector metal layer, an anode layer arranged on the anode current collector metal layer, a solid electrolyte layer arranged on the anode layer laterally, a cathode layer arranged on the solid electrolyte layer, and a cathode current collector metal layer, and a plurality of nanowire structures comprising silicon and/or gallium nitride, wherein said nanowire structures are arranged on the anode layer and, wherein said nanowire structures are laterally and vertically enclosed by the solid electrolyte layer, wherein the anode layer comprises silicon and a plurality of metal vias connecting the plurality of nanowire structures with the anode current collector metal layer. Methods for producing solid-state battery layer structures are also provided.

    REINFORCED THIN-FILM DEVICE
    23.
    发明申请

    公开(公告)号:US20210327712A1

    公开(公告)日:2021-10-21

    申请号:US17049535

    申请日:2019-04-23

    Applicant: Epinovatech AB

    Abstract: A reinforced thin-film device (100, 200, 500) including a substrate (101) having a top surface for supporting an epilayer; a mask layer (103) patterned with a plurality of nanosize cavities (102, 102′) disposed on said substrate (101) to form a needle pad; a thin-film (105) of lattice-mismatched semiconductor disposed on said mask layer (103), wherein said thin-film (105) comprises a plurality of in parallel spaced semiconductor needles (104, 204) of said lattice-mismatched semiconductor embedded in said thin-film (105), wherein said plurality of semiconductor needles (104, 204) are substantially vertically disposed in the axial direction toward said substrate (101) in said plurality of nanosize cavities (102, 102′) of said mask layer (103), and where a lattice-mismatched semiconductor epilayer (106) is provided on said thin-film supported thereby.

    Monolithic microwave integrated circuit front-end module

    公开(公告)号:US12068726B2

    公开(公告)日:2024-08-20

    申请号:US18297526

    申请日:2023-04-07

    Applicant: EPINOVATECH AB

    CPC classification number: H03F3/245 H03F3/195 H03F2200/451

    Abstract: There is provided a monolithic microwave integrated circuit, MMIC, front-end module which may include: a gallium nitride structure supported by a silicon substrate, a silicon-based transmit/receive switch having a transmit mode and a receive mode, a transmit amplifier configured to amplify an outgoing signal to be transmitted by said MMIC front-end module, wherein said transmit amplifier is electrically connected to said transmit/receive switch, wherein said transmit amplifier comprises a gallium nitride high-electron-mobility transistor, HEMT, formed in said gallium nitride structure. The MMIC front-end module may further include a receive amplifier configured to amplify an incoming signal received by said MMIC front-end module, wherein said receive amplifier is electrically connected to said transmit/receive switch, wherein said receive amplifier may include a gallium nitride HEMT formed in said gallium nitride structure.

    Semiconductor layer structure
    26.
    发明授权

    公开(公告)号:US11695066B2

    公开(公告)日:2023-07-04

    申请号:US17806400

    申请日:2022-06-10

    Applicant: Epinovatech AB

    Abstract: There is provided a semiconductor layer structure (100) comprising:



    a Si substrate (102) having a top surface (104);
    a first semiconductor layer (110) arranged on said substrate, the first semiconductor layer comprising a plurality of vertical nanowire structures (112) arranged perpendicularly to said top surface of said substrate, the first semiconductor layer comprising AlN;
    a second semiconductor layer (120) arranged on said first semiconductor layer laterally and vertically enclosing said nanowire structures, the second semiconductor layer comprising AlxGa1-xN, wherein 0≤x≤0.95;
    a third semiconductor layer (130) arranged on said second semiconductor layer, the third semiconductor layer comprising AlyGa1-yN, wherein 0≤y≤0.95; and
    a fourth semiconductor layer (140) arranged on said third semiconductor layer, the fourth semiconductor layer comprising GaN.




    There is also provided a high-electron-mobility transistor device and methods of producing such structures and devices.

    INDUCTION MACHINE
    27.
    发明公开
    INDUCTION MACHINE 审中-公开

    公开(公告)号:US20230146820A1

    公开(公告)日:2023-05-11

    申请号:US17997915

    申请日:2021-05-05

    Applicant: Epinovatech AB

    Abstract: There is provided an induction machine (100) comprising a rotor (120); a stator (140); and a phase-shift oscillator (160). The stator comprises: a first winding (141); and a second winding (142), arranged at a first angle (101) relative to said first winding. The phase-shift oscillator comprises: a transistor (170), the transistor (170) being a high-electron mobility transistor, HEMT; and a phase-shift network (180). The first winding is connected to a first node (181) of the phase-shift network and wherein the second winding is connected to a second node (182) of the phase-shift network, wherein the phase-shift oscillator is configured to provide a first phase electric signal at the first node and a second phase electric signal at the second node, wherein a difference between the first and second phase corresponds to the first angle. There is also provided an electric aircraft propulsion system comprising the induction machine.

    Device for performing electrolysis of water, and a system thereof

    公开(公告)号:US11634824B2

    公开(公告)日:2023-04-25

    申请号:US17835804

    申请日:2022-06-08

    Applicant: Epinovatech AB

    Abstract: A device for performing electrolysis of water is disclosed. The device may include a semiconductor structure with a surface and an electron guiding layer below said surface, the electron guiding layer of the semiconductor structure being configured to guide electron movement in a plane parallel to the surface. The electron guiding layer of the semiconductor structure may include an InGaN quantum well or a heterojunction, the heterojunction being a junction between AlN material and GaN material or between AlGaN material and GaN material and at least one metal cathode arranged on the surface of the semiconductor structure. The device may further include at least one photoanode arranged on the surface of the semiconductor structure, wherein the at least one photoanode may include a plurality of quantum dots of InxGa(1-x)N material, wherein 0.4≤x≤1. A system including such a device is also disclosed.

    SOLID-STATE BATTERY LAYER STRUCTURE AND METHOD FOR PRODUCING THE SAME

    公开(公告)号:US20220231298A1

    公开(公告)日:2022-07-21

    申请号:US17658603

    申请日:2022-04-08

    Applicant: Epinovatech AB

    Abstract: This disclosure is directed toward a method for producing a solid-state battery layer structure. The method may include providing an anode layer comprising silicon, forming a plurality of nanowire structures including silicon and/or gallium nitride on the anode layer and depositing a solid electrolyte layer on the anode layer. In some examples, the method may also include depositing a cathode layer on the solid electrolyte layer, depositing a cathode current collector metal layer on the cathode layer, etching holes through the anode layer, filling the holes with an electrically conducting material; and depositing an anode current collector metal layer on a bottom surface of the anode layer.

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