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    THERMOELECTRIC CONVERSION ELEMENT
    1.
    发明申请
    THERMOELECTRIC CONVERSION ELEMENT 有权

    公开(公告)号：US20220399485A1

    公开(公告)日：2022-12-15

    申请号：US17635379

    申请日：2020-06-24

    申请人： Sumitomo Electric Industries, Ltd. ,  Toyota School Foundation

    发明人： Masahiro ADACHI ,  Yoshiyuki YAMAMOTO ,  Tsunehiro TAKEUCHI

    IPC分类号： H01L35/16 ,  H01L35/32 ,  C01G3/12 ,  C01B19/00 ,  C01G5/00

    摘要： A thermoelectric conversion element includes a thermoelectric conversion material portion having a compound semiconductor composed of first base material element A and second base material element B and represented by Ax-cBy with value of x being smaller by c with respect to a compound AxBy according to a stoichiometric ratio, a first electrode disposed in contact with the thermoelectric conversion material portion, and a second electrode disposed in contact with the thermoelectric conversion material portion and apart from the first electrode. An A-B phase diagram includes a first region corresponding to low temperature phase, second region corresponding to high temperature phase, and third region corresponding to coexisting phase, sandwiched between the low temperature phase and the high temperature phase, in which the low and high temperature phases coexist. A temperature at a boundary between the first region and the third region changes monotonically with a change in c.

    STACK, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING STACK
    4.
    发明申请
    STACK, ELECTRONIC DEVICE, AND METHOD FOR MANUFACTURING STACK 有权

    公开(公告)号：US20220231123A1

    公开(公告)日：2022-07-21

    申请号：US17608502

    申请日：2020-03-26

    申请人： Sumitomo Electric Industries, Ltd.

    发明人： Fuminori MITSUHASHI ,  Yasunori TATENO ,  Masahiro ADACHI ,  Yoshiyuki YAMAMOTO

    IPC分类号： H01L29/06 ,  H01L29/10 ,  H01L21/223 ,  H01L29/16 ,  H01L29/165 ,  H01L29/66

    摘要： A stack includes a base portion consisting of silicon carbide and having a first surface that is a Si face and a carbon atom thin film disposed on the first surface and including a first main surface facing the first surface and a second main surface that is a main surface on an opposite side from the first main surface. The carbon atom thin film consists of carbon atoms. The carbon atom thin film includes at least one of a buffer layer that is a carbon atom layer including carbon atoms bonded to silicon atoms forming the Si face and a graphene layer. The second main surface includes a plurality of terraces parallel to the Si face of the silicon carbide forming the base portion and a plurality of steps connecting together the plurality of terraces.

    PHOTOSENSOR
    8.
    发明申请
    PHOTOSENSOR 有权

    公开(公告)号：US20220123156A1

    公开(公告)日：2022-04-21

    申请号：US17567194

    申请日：2022-01-03

    申请人： Sumitomo Electric Industries, Ltd.

    发明人： Kotaro HIROSE ,  Masahiro ADACHI ,  Yoshiyuki YAMAMOTO ,  Shunsuke FUJII ,  Fuminori MITSUHASHI

    IPC分类号： H01L31/0216 ,  H01L31/024 ,  H01L31/0224

    摘要： A photosensor includes: a support; a thermoelectric conversion material section that is disposed on a first main surface of the support and that includes a plurality of first material layers each having an elongated shape, a plurality of second material layers each having electrical conductivity and an elongated shape, and an insulating film, the first material layers and the second material layers each being configured to convert thermal energy into electrical energy; a heat sink that is disposed on a second main surface of the support and along an outer edge of the support; a light-absorbing film that is disposed in a region surrounded by inner edges of the heat sink as viewed in a thickness direction of the support so as to form temperature differences on the first main surface of the support in longitudinal directions of the first material layers.