MAGNETORESISTANCE EFFECT DEVICE AND SENSOR

    公开(公告)号:US20210293909A1

    公开(公告)日:2021-09-23

    申请号:US17204465

    申请日:2021-03-17

    Abstract: A magnetoresistance effect device includes: at least one magnetoresistance effect element; at least one first signal line; and an output port, wherein the magnetoresistance effect element includes a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the first signal line is separated from the magnetoresistance effect element with an insulator interposed therebetween and a high frequency magnetic field caused by a first high frequency current flowing through the first signal line is applied to the first ferromagnetic layer, wherein a high frequency current flows through the magnetoresistance effect element, and wherein a signal including a DC signal component caused by an output of the magnetoresistance effect element is output from the output port.

    ANTENNA DEVICE
    12.
    发明申请
    ANTENNA DEVICE 审中-公开

    公开(公告)号:US20180254555A1

    公开(公告)日:2018-09-06

    申请号:US15906799

    申请日:2018-02-27

    Abstract: Disclosed herein is an antenna device that includes a substrate, an IC chip mounted on the substrate, a first antenna element including a plurality of patch antenna conductors that is supplied with power from the IC chip and that radiates a beam in a direction substantially perpendicular to the substrate, and a second antenna element that is supplied with power from the IC chip and that radiates a beam in a first horizontal direction substantially parallel to the substrate.

    MAGNETIC ELEMENT, AND MAGNETIC HIGH FREQUENCY ELEMENT HAVING THE MAGNETIC ELEMENT
    13.
    发明申请
    MAGNETIC ELEMENT, AND MAGNETIC HIGH FREQUENCY ELEMENT HAVING THE MAGNETIC ELEMENT 审中-公开
    磁性元件和具有磁性元件的磁性高频元件

    公开(公告)号:US20150249205A1

    公开(公告)日:2015-09-03

    申请号:US14630121

    申请日:2015-02-24

    CPC classification number: H01L43/08 H03B15/006

    Abstract: A higher oscillation output is realized in a magnetic element utilizing high frequency characteristics of a magnetoresistive effect element. A magnetic element 1 includes a magnetoresistive effect film 10 including a magnetic pinned layer 14 and a magnetic free layer 12 with a non-magnetic spacer layer 13 interposed therebetween, and a pair of electrodes (lower electrode layer 11 and upper electrode layer 15) arranged with the magnetoresistive effect film 10 interposed therebetween in a stacking direction of the magnetoresistive effect film 10, wherein, given that a minimum value of an area of the magnetic free layer 12 in a section perpendicular to the stacking direction is denoted by Sf, and that a minimum value of an area of the magnetic pinned layer 14 in a section perpendicular to the stacking direction is denoted by Spm, relation of Sf>Spm is satisfied.

    Abstract translation: 在利用磁阻效应元件的高频特性的磁性元件中实现更高的振荡输出。 磁性元件1包括磁阻效应膜10,其包括磁性被钉扎层14和介于其间的非磁性间隔层13的磁性自由层12以及一对电极(下电极层11和上电极层15) 其中磁阻效应膜10在磁阻效应膜10的层叠方向插入其间,其中,假定在与层叠方向垂直的截面中的无磁性层12的面积的最小值由Sf表示,并且 磁性被钉扎层14的垂直于层叠方向的部分的面积的最小值由Spm表示,满足Sf> Spm的关系。

    TRANSCEIVER DEVICE
    16.
    发明公开
    TRANSCEIVER DEVICE 审中-公开

    公开(公告)号:US20230327773A1

    公开(公告)日:2023-10-12

    申请号:US18210333

    申请日:2023-06-15

    CPC classification number: H04B10/503 H04B10/532 H04B10/40

    Abstract: A transceiver device includes: a receiving device including a magnetic element having a first ferromagnetic layer, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, wherein the receiving device is configured to receive an optical signal; a transmission device including a modulated light output element, wherein the transmission device is configured to transmit an optical signal; and a circuit chip including an integrated circuit electrically connected to the magnetic element and the modulated light output element.

    OPTICAL DEVICE
    17.
    发明公开
    OPTICAL DEVICE 审中-公开

    公开(公告)号:US20230304855A1

    公开(公告)日:2023-09-28

    申请号:US18190336

    申请日:2023-03-27

    CPC classification number: G01J1/42

    Abstract: An optical device includes a magnetic element and a light application part, wherein the light application part configured to apply light to the magnetic element, the magnetic element includes a first ferromagnetic layer to which the light is applied, a second ferromagnetic layer, and a spacer layer sandwiched between the first ferromagnetic layer and the second ferromagnetic layer, and magnetization of the first ferromagnetic layer is inclined with respect to both an in-plane direction in which the first ferromagnetic layer extends and a surface-perpendicular direction perpendicular to a surface on which the first ferromagnetic layer extends in a state in which the light is not applied from the light application part to the magnetic element.

    PATCH ANTENNA
    18.
    发明申请

    公开(公告)号:US20220393356A1

    公开(公告)日:2022-12-08

    申请号:US17888723

    申请日:2022-08-16

    Inventor: Tetsuya SHIBATA

    Abstract: Disclosed herein is a patch antenna that includes a first dielectric layer in which a patch conductor is provided, a second dielectric layer in which a signal line extending in a direction parallel to the patch conductor is provided, a feed conductor provided perpendicularly to the patch conductor so as to connect one end of the signal line and a feed point for the patch conductor, a first ground pattern provided between the patch conductor and the signal line, and a second ground pattern provided on an opposite side to the first ground pattern with respect to the signal line. The first dielectric layer has a dielectric constant lower than that of the second dielectric layer.

    MAGNETORESISTIVE EFFECT DEVICE
    19.
    发明申请

    公开(公告)号:US20190245254A1

    公开(公告)日:2019-08-08

    申请号:US16340471

    申请日:2017-10-23

    CPC classification number: H01P1/218 G11B5/39 H01L43/08 H03B15/00

    Abstract: A magnetoresistive effect device includes an input port, an input-side signal line, an MR unit including a magnetoresistive effect element and a magnetic-field generating signal line, and an output unit including a magnetoresistive effect element, an output-side signal line, and an output port. The magnetoresistive effect device further includes a DC application terminal. The magnetoresistive effect element is connected to the output port via the output-side signal line in the output unit. The input-side signal line is arranged so that a high frequency magnetic field generated from the input-side signal line is applied to the magnetoresistive effect element in the MR unit. In the MR unit, the magnetoresistive effect element is connected to the magnetic-field generating signal line. The magnetic-field generating signal line is arranged so that a high-frequency magnetic field generated from magnetic-field generating signal line is applied to the magnetoresistive effect element in the output unit.

    MAGNETIC FIELD SENSOR
    20.
    发明申请

    公开(公告)号:US20190033401A1

    公开(公告)日:2019-01-31

    申请号:US16039656

    申请日:2018-07-19

    Inventor: Tetsuya SHIBATA

    CPC classification number: G01R33/093 H01F10/3254 H01F10/329

    Abstract: A magnetic field sensor includes: a first magnetoresistance effect element; a second magnetoresistance effect element; an output port; a signal line; and a first input terminal configured to be capable of applying a DC current or a DC voltage to the first magnetoresistance effect element. Each of the first magnetoresistance effect element and the second magnetoresistance effect element includes a first magnetic layer, a second magnetic layer, and a spacer layer disposed therebetween, the first magnetoresistance effect element and the second magnetoresistance effect element are connected through the signal line, and the output port is connected in parallel with the second magnetoresistance effect element.

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