Electron gun and electron beam device
    20.
    发明授权
    Electron gun and electron beam device 有权
    电子枪和电子束装置

    公开(公告)号:US09070527B2

    公开(公告)日:2015-06-30

    申请号:US14000988

    申请日:2011-02-25

    申请人: Hiroshi Yasuda

    发明人: Hiroshi Yasuda

    摘要: An electron gun cathode (104) is column shaped, and emits electrons by being heated. A holder (103), which covers the bottom and sides of the electron gun cathode, has electrical conductivity and holds the electron gun cathode, and is composed of a material that does not easily react with the electron gun cathode when in a heated state, is provided. The tip of the electron gun cathode (104) protrudes from the holder (103) so as to be exposed, and electrons are emitted from the tip toward the front by applying an electric field to the tip.

    摘要翻译: 电子枪阴极(104)为柱状,通过加热发射电子。 覆盖电子枪阴极的底部和侧面的保持器(103)具有导电性并保持电子枪阴极,并且由处于加热状态时不易与电子枪阴极反应的材料构成, 被提供。 电子枪阴极(104)的尖端从保持器(103)突出以露出,并且通过向尖端施加电场,从尖端向前方发射电子。