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    X-RAY GENERATOR AND DRIVING METHOD THEREOF
    1.
    发明申请
    X-RAY GENERATOR AND DRIVING METHOD THEREOF 审中-公开

    公开(公告)号：US20170347438A1

    公开(公告)日：2017-11-30

    申请号：US15459661

    申请日：2017-03-15

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jun Tae KANG ,  Yoon-Ho SONG ,  Jin-Woo JEONG

    IPC: H05G1/34 ,  H01J35/06 ,  H05G1/32

    CPC classification number: H05G1/34 ,  H01J35/065 ,  H05G1/10 ,  H05G1/32

    Abstract: Provided is an X-ray generator including a thermal electron emission type X-ray generator configured to generate a negative high voltage and a filament current, a field electron emission type X-ray generator including an anode electrode to be grounded, and configured to use the negative high voltage to bias the cathode electrode, and a field emission current control unit configured to convert the filament current to generate an output voltage to be provided to a gate electrode of the field electron emission type X-ray generator and convert the filament current to fix, to a specific level, a level of an emission current flowing through the cathode electrode.

    PHOTOCATHODE COUPLED X-RAY TUBE
    3.
    发明申请
    PHOTOCATHODE COUPLED X-RAY TUBE 有权
    光电耦合X射线管

    公开(公告)号：US20160005565A1

    公开(公告)日：2016-01-07

    申请号：US14605830

    申请日：2015-01-26

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jun Tae KANG ,  Yoon-Ho SONG

    IPC: H01J35/16 ,  H01J35/14 ,  H01J35/06

    CPC classification number: H01J35/16 ,  H01J35/06

    Abstract: Provided is an X-ray tube including an anode, a target on the anode, a cathode disposed separate from the target and the anode and comprising an emitter providing an electron beam to the target, and a side wall disposed between the cathode and the anode, and surrounding the target and the emitter. The side wall reflects a light generated by collision of the electron beam with the target to the cathode, and electrically insulates the cathode from the anode.

    Abstract translation: 提供了一种X射线管，其包括阳极，阳极上的靶，与靶和阳极分离的阴极，并且包括向靶提供电子束的发射体，以及设置在阴极和阳极之间的侧壁 ，并围绕目标和发射器。 侧壁将由电子束与目标物的碰撞产生的光反射到阴极，并将阴极与阳极电绝缘。

    X-RAY TUBE
    6.
    发明申请
    X-RAY TUBE 有权
    X射线管

    公开(公告)号：US20140161232A1

    公开(公告)日：2014-06-12

    申请号：US14099201

    申请日：2013-12-06

    Applicant: Electronics and Telecommunications Research Institute

    Inventor： Jin Woo JEONG ,  Yoon-Ho SONG ,  Sungyoul CHOI ,  Jun Tae KANG ,  Jae-woo KIM

    IPC: H01J35/06 ,  H01J35/10

    CPC classification number: H01J35/065 ,  H01J35/14 ,  H01J35/305 ,  H01J2201/30469 ,  H01J2235/068

    Abstract: An X-ray tube is provided. The X-ray tube includes a first housing including an X-ray window formed therein, a second housing being rotatable about a rotational shaft installed within the first housing, an anode installed on the rotational shaft within the second housing and positioned in one side of the rotational shaft in an extending direction of the rotational shaft, an emitter installed on the rotational shaft within the second housing, positioned in the other side of the rotational shaft in the extending direction of the rotational shaft, and emitting electron beams, a lens unit installed between the anode and the emitter and focusing the electron beams emitted from the emitter to the anode, and an electron beam deflection unit installed on the rotational shaft to deflect an angle of electron beams moving toward the anode from the lens unit.

    Abstract translation: 提供X射线管。 X射线管包括第一壳体，其包括形成在其中的X射线窗口，第二壳体可围绕安装在第一壳体内的旋转轴旋转，阳极安装在第二壳体内的旋转轴上并且位于 所述旋转轴在所述旋转轴的延伸方向上安装在所述第二壳体内的所述旋转轴上，位于所述旋转轴的另一侧沿所述旋转轴的延伸方向，并且发射电子束，透镜单元 安装在阳极和发射器之间并将从发射器发射的电子束聚焦到阳极，以及安装在旋转轴上的电子束偏转单元，以偏转从透镜单元向阳极移动的电子束的角度。

    CURRENT CONTROLLING DEVICE AND ELECTRIC FIELD EMISSION SYSTEM INCLUDING THE SAME
    9.
    发明申请
    CURRENT CONTROLLING DEVICE AND ELECTRIC FIELD EMISSION SYSTEM INCLUDING THE SAME 有权
    电流控制装置和包括其的电场发射系统

    公开(公告)号：US20130271037A1

    公开(公告)日：2013-10-17

    申请号：US13846668

    申请日：2013-03-18

    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

    Inventor： Jin Woo JEONG ,  Yoon-Ho SONG ,  Jun Tae KANG ,  Jae-woo KIM ,  Sungyoul CHOI

    IPC: H05B41/36

    CPC classification number: H05B41/36 ,  H05B41/14

    Abstract: Provided is a current controlling device for controlling an electric field emission current in connection with an electric field emission device which emits electrons in response to an applied voltage, the device including: a first current controlling transistor forming a current path in response to a first gate voltage; a second current controlling transistor connected between the field emission device and the first current controlling transistor and forming a current path in response to a second gate voltage; and a control logic controlling the first and second gate voltages, wherein the control logic controls a upper limit of the field emission current by using the first gate voltage.

    Abstract translation: 提供一种电流控制装置，用于响应于所施加的电压来控制与发射电子的电场发射装置相关的电场发射电流，所述装置包括：响应于第一栅极形成电流路径的第一电流控制晶体管 电压; 连接在所述场发射器件和所述第一电流控制晶体管之间并响应于第二栅极电压形成电流通路的第二电流控制晶体管; 以及控制逻辑，控制第一和第二栅极电压，其中控制逻辑通过使用第一栅极电压来控制场致发射电流的上限。

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