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    • 65. 发明授权
    • Vacuum encapsulated hermetically sealed diamond amplified cathode capsule and method for making same
    • 真空密封金刚石放大阴极胶囊及其制造方法
    • US08922107B2
    • 2014-12-30
    • US14115534
    • 2012-05-09
    • Triveni RaoJohn WalshElizabeth Gangone
    • Triveni RaoJohn WalshElizabeth Gangone
    • H01J1/32H01J29/41H01J9/12H01J1/35H01J29/04H01J3/02H01J25/10H01J23/04H01J9/18
    • H01J29/04H01J3/021H01J9/125H01J9/18H01J23/04H01J25/10
    • A vacuum encapsulated, hermetically sealed cathode capsule for generating an electron beam of secondary electrons, which generally includes a cathode element having a primary emission surface adapted to emit primary electrons, an annular insulating spacer, a diamond window element comprising a diamond material and having a secondary emission surface adapted to emit secondary electrons in response to primary electrons impinging on the diamond window element, a first cold-weld ring disposed between the cathode element and the annular insulating spacer and a second cold-weld ring disposed between the annular insulating spacer and the diamond window element. The cathode capsule is formed by a vacuum cold-weld process such that the first cold-weld ring forms a hermetical seal between the cathode element and the annular insulating spacer and the second cold-weld ring forms a hermetical seal between the annular spacer and the diamond window element whereby a vacuum encapsulated chamber is formed within the capsule.
    • 一种用于产生二次电子的电子束的真空密封的气密密封阴极胶囊,其通常包括具有适于发射一次电子的主要发射表面的阴极元件,环形绝缘间隔物,包含金刚石材料的金刚石窗体元件, 二次发射表面适于响应于撞击在金刚石窗口元件上的初级电子发射二次电子,设置在阴极元件和环形绝缘间隔物之间​​的第一冷焊环和设置在环形绝缘间隔物和第二冷焊环之间的第二冷焊环, 钻石窗元素。 阴极胶囊通过真空冷焊工艺形成,使得第一冷焊环在阴极元件和环形绝缘垫片之间形成密封,第二冷焊环在环形间隔件和第二冷焊环之间形成密封 金刚石窗元件,由此在胶囊内形成真空密封室。