Semiconductor super-junction power device

    公开(公告)号:US11908889B2

    公开(公告)日:2024-02-20

    申请号:US17428137

    申请日:2019-12-05

    摘要: Provided is a semiconductor super junction power device. The semiconductor super junction power device includes an MOSFET cell array composed of multiple super junction MOSFET cells. Each of multiple MOSFET cells includes a p-type body region located at the top of an n-type drift region, a p-type columnar doping region located below the p-type body region, an n-type source region located in the p-type body region, a gate dielectric layer located above the p-type body region, a gate electrode located above the p-type body region, an n-type floating gate located above the p-type body region and an opening located in the gate dielectric layer, where in a lateral direction, the gate electrode is located on one side close to the n-type source region; an opening located in the gate dielectric layer, where the n-type floating gate contacts the p-type body region through the opening to form a p-n junction diode.

    RESONANT TUNNELING DIODES AND MANUFACTURING METHODS THEREOF

    公开(公告)号:US20230290892A1

    公开(公告)日:2023-09-14

    申请号:US17788967

    申请日:2021-03-05

    发明人: Kai Cheng

    IPC分类号: H01L29/88 H01L29/20 H01L29/66

    摘要: The present disclosure provides a resonant tunneling diode and a manufacturing method thereof. The resonant tunneling diode includes: a first barrier layer; a second barrier layer; and a potential well layer between the first barrier layer and the second barrier layer, a material of the first barrier layer being AlxInyN1-x-y, 1>x>0, 1>y>0, and/or a material of the second barrier layer being AlmInnN1-m-n, 1>m>0, 1>n>0, and a material of the well layer including a gallium element.

    Terahertz device
    5.
    发明授权

    公开(公告)号:US11569184B2

    公开(公告)日:2023-01-31

    申请号:US17719056

    申请日:2022-04-12

    申请人: ROHM Co., Ltd.

    发明人: Kazuisao Tsuruda

    摘要: A terahertz device of the present invention includes a terahertz element generating an electromagnetic wave, a dielectric including a dielectric material and surrounding the terahertz element, a gas space including a gas, and a reflecting film serving as a reflecting portion. The reflecting film includes a portion opposing the terahertz element through the dielectric and the gas space and reflecting the electromagnetic wave toward a direction, wherein the electromagnetic wave is generated from the terahertz element and transmitted through the dielectric and the gas space. In addition, the refractive index of the dielectric is lower than the refractive index of the terahertz element and is higher than the refractive index of the gas in the gas space.

    Group III-nitride polarization junction diodes

    公开(公告)号:US11355652B2

    公开(公告)日:2022-06-07

    申请号:US16644130

    申请日:2017-09-29

    申请人: Intel Corporation

    摘要: Diodes employing one or more Group III-Nitride polarization junctions. A III-N polarization junction may include two III-N material layers having opposite crystal polarities. The opposing polarities may induce a two-dimensional charge sheet (e.g., 2D electron gas) within each of the two III-N material layers. Opposing crystal polarities may be induced through introduction of an intervening layer between two III-N material layers. The intervening layer may be of a material other than a Group III-Nitride. Where a P-i-N diode structure includes two Group III-Nitride polarization junctions, opposing crystal polarities at a first of such junctions may induce a 2D electron gas (2DEG), while opposing crystal polarities at a second of such junctions may induce a 2D hole gas (2DHG). Diode terminals may then couple to each of the 2DEG and 2DHG.

    OSCILLATOR
    9.
    发明申请

    公开(公告)号:US20220140788A1

    公开(公告)日:2022-05-05

    申请号:US17510152

    申请日:2021-10-25

    IPC分类号: H03B7/14 H03B7/08 H01L29/88

    摘要: An oscillator oscillating a tern hertz wave includes a negative resistive element including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, with a first conductor, a second conductor, and a dielectric disposed between the first conductor and the second conductor constitutes a resonator, wherein the negative resistive element is disposed between the first conductor and the second conductor, and a layer with a higher resistivity than the first semiconductor layer or the second semiconductor layer, or an amorphous layer is disposed between the negative resistive element and the dielectric.

    Methods of Forming Diodes
    10.
    发明申请

    公开(公告)号:US20210313445A1

    公开(公告)日:2021-10-07

    申请号:US17348718

    申请日:2021-06-15

    摘要: Some embodiments include methods of forming diodes in which a first electrode is formed to have a pedestal extending upwardly from a base. At least one layer is deposited along an undulating topography that extends across the pedestal and base, and a second electrode is formed over the least one layer. The first electrode, at least one layer, and second electrode together form a structure that conducts current between the first and second electrodes when voltage of one polarity is applied to the structure, and that inhibits current flow between the first and second electrodes when voltage having a polarity opposite to said one polarity is applied to the structure. Some embodiments include diodes having a first electrode that contains two or more projections extending upwardly from a base, having at least one layer over the first electrode, and having a second electrode over the at least one layer.