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Electron emitter

  • US 20040104684A1
  • Filed: 06/11/2003
  • Published: 06/03/2004
  • Est. Priority Date: 11/29/2002
  • Status: Active Grant
First Claim
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1. An electron emitter comprising:

  • an emitter section made of a dielectric material;

    a first electrode formed in contact with said emitter section;

    a second electrode formed in contact with said emitter section, wherein a slit is formed between said first electrode and said second electrode;

    a drive voltage is applied between said first electrode and said second electrode to induce emission of electrons from at least a portion of said emitter section which is exposed through said slit; and

    a charging film is formed at least on a surface of said second electrode.

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