To provide an electron source that is lightweight and simply constructed, and is capable of suppressing characteristic degradation or recovering characteristics without increasing power consumption.SOLUTION: A CNT electron source comprises: a CNT emitter 32 for emitting electrons; a gate electrode 33 for drawing out electrons from the CNT emitter 32; and a gate power supply connection switching relay 37a and a CNT emitter grounding switching relay 37b for causing electrons to be emitted from the gate electrode 33 and applied to the CNT emitter.SELECTED DRAWING: Figure 5

    【課題】軽量かつ構成が簡単で、さらに消費電力の増加を招くことなく、特性劣化を抑制あるいは特性を回復することができる電子源を提供すること。【解決手段】CNT電子源は、電子を放出するためのCNTエミッタ32と、CNTエミッタ32より電子を引き出すためのゲート電極33と、ゲート電極33から電子を放出させてCNTエミッタに照射するためのゲート用電源接続切替リレー37a及びCNTエミッタ接地切替リレー37bとを有する。【選択図】図5


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    Titel :

    ELECTRON SOURCE AND ELECTRON SOURCE UNIT


    Weitere Titelangaben:

    電子源及び電子源ユニット


    Beteiligte:
    OKAWA YASUSHI (Autor:in) / KAWAMOTO TOSHIMI (Autor:in)

    Erscheinungsdatum :

    27.08.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B64G Raumfahrt , COSMONAUTICS / H01J Elektrische Entladungsröhren oder Entladungslampen , ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS



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