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ELECTRON BEAM GENERATING APPARATUS

  • US 20090212681A1
  • Filed: 02/08/2007
  • Published: 08/27/2009
  • Est. Priority Date: 03/10/2006
  • Status: Active Grant
First Claim
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1. An electron beam generating apparatus comprising:

  • an electron gun that has an electron emitting member from which an electron beam is emitted;

    a container that holds the electron emitting member;

    a frame material detachably attached to the container, the frame material having an electron passing hole through which the electron beam passes; and

    a window material that is bonded to the frame material so as to airtightly stop the electron passing hole and through which the electron beam penetrates.

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