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    • 2. 发明授权
    • Cold-cathode power switching device of field-emission type
    • 场致发射型冷阴极功率开关器件
    • US06297586B1
    • 2001-10-02
    • US09263217
    • 1999-03-05
    • Kazuya NakayamaTadashi SakaiNaoshi SakumaTomio Ono
    • Kazuya NakayamaTadashi SakaiNaoshi SakumaTomio Ono
    • H01J116
    • H01J21/105H01J1/3044
    • Disclosed herein are a cold-cathode power switching device and a method of manufacturing the same. The device has a high voltage resistance and can be manufactured with high yield though its element area is large to control large currents. In the method, arrays of miniature emitters are prepared, and the emitter arrays are adhered to a conductive substrate having trenches. The conductive substrate is cut along the trenches, forming a plurality of substrates. The gaps between these substrates are filled with insulating resin. As a result, a multi-module power switching device for controlling large currents is manufactured with high yield. Further, cold-cathode modules, each having a gate pad, are arranged on a cathode electrode made of a conducive substrate, insulating strips are formed on the cathode electrode, gate lines are formed on the insulating strips, and the gate pads are connected to the gate lines. The electrons emitted from the modules can be controlled at a time. Each module may have a cathode pad connected to a cathode line. Depressions are made in those part of an anode electrode which oppose the gate pads and cathode pads, providing a sufficient insulation distance between each emitter and the anode electrode. Hence, a cold-cathode power switching device of field emission type can be provided which has a high voltage resistance.
    • 本文公开了一种冷阴极电力开关装置及其制造方法。 该器件具有高耐压性,并且可以以高产率制造,尽管其元件面积大以控制大电流。 在该方法中,制备微型发射体的阵列,并且发射极阵列粘附到具有沟槽的导电衬底上。 沿着沟槽切割导电衬底,形成多个衬底。 这些基板之间的间隙用绝缘树脂填充。 结果,以高产率制造用于控制大电流的多模块功率开关装置。 此外,在由导电基板制成的阴极上配置有具有栅极焊盘的冷阴极模块,在阴极上形成绝缘条,在绝缘条上形成栅极线,栅极连接到 门线。 可以一次控制从模块发射的电子。 每个模块可以具有连接到阴极线的阴极焊盘。 在与栅极焊盘和阴极焊盘相对的阳极电极的那些部分进行抑制,从而在每个发射极和阳极电极之间提供足够的绝缘距离。 因此,可以提供具有高耐电压性的场致发射型冷阴极功率开关器件。
    • 3. 发明授权
    • Electron emitting device and switching circuit using the same
    • 电子发射器件和使用其的开关电路
    • US06323831B1
    • 2001-11-27
    • US09153086
    • 1998-09-15
    • Tomio OnoTadashi SakaiNaoshi SakumaKazuya Nakayama
    • Tomio OnoTadashi SakaiNaoshi SakumaKazuya Nakayama
    • G09G322
    • H01J3/022H01J7/44H01J19/78
    • An electron emitting comprising an emitter electrode for emitting electrons when applied with an electric field, a gate electrode for extracting the electrons emitted from the emitter electrode, when applied with a voltage from a signal source, the voltage being positive with respect to the emitter electrode, an anode electrode connected to a load, for collecting the electrons extracted by the gate electrode, and for passing an anode current, and a gate resistor connected between the signal source and the gate electrode, for reducing a gate current flowing in the gate electrode, without changing an anode current flowing in the anode, and for lowering a gate voltage by utilizing a voltage drop cause by the gate current.
    • 一种电子发射器,包括用于在施加电场时发射电子的发射极电极,用于从发射极发射的电子提取的栅电极,当施加来自信号源的电压时,该电压相对于发射电极为正 连接到负载的阳极,用于收集由栅电极提取的电子和用于通过阳极电流,以及连接在信号源和栅电极之间的栅极电阻,用于减少在栅电极中流动的栅极电流 ,而不改变在阳极中流动的阳极电流,并且通过利用由栅极电流引起的电压降降低栅极电压。