Title:
【発明の名称】小型電界放出電子銃およびフォーカスレンズ
Document Type and Number:
Japanese Patent JP2003505833
Kind Code:
A
Abstract:
A source of a focused electron beam is provided for use in a cathode ray tube (CRT) or vacuum microelectronic device. A carbon-based field emission cathode, extraction gate and focus lens are formed as an integrated structure using fabrication techniques that are used to form integrated circuits. An external focus lens is used to confine the beamlets from a large number of carbon-based surfaces. A convergence cup accelerates the beam toward a drift space and finally to a screen on a CRT or other device. The source may be much more compact than present CRT electron optics apparatus.
Inventors:
Gorski, Rich
Jamison, Casey Dee.
Jamison, Casey Dee.
Application Number:
JP2001511705A
Publication Date:
February 12, 2003
Filing Date:
June 21, 2000
Export Citation:
Assignee:
Extreme Devices, Inc.
International Classes:
H01J9/44; H01J1/304; H01J3/02; H01J3/18; H01J9/02; H01J29/04; (IPC1-7): H01J1/304; H01J9/02; H01J9/44; H01J29/04
Attorney, Agent or Firm:
Shusaku Yamamoto