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Patent Searching and Data


Title:
COLD CATHODE ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP2002203469
Kind Code:
A
Abstract:

To provide a cold cathode electronic device (FED) capable of shortening a distance between a gate and an emitter, and remarkably reducing the driving voltage.

This cold cathode electronic device uses a tantalum board 14 supporting a gate controlling the electron emitted from a cold cathode 11 having an emitter 13 toward an anode 16, and having a self-oxidized film for the insulation between the gate 15 and the emitter.


Inventors:
FUKUDA KATSUYOSHI
NAKAMOTO MASAYUKI
Application Number:
JP2000398999A
Publication Date:
July 19, 2002
Filing Date:
December 27, 2000
Export Citation:
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Assignee:
TOSHIBA CORP
International Classes:
H01J29/04; H01J1/304; H01J31/12; (IPC1-7): H01J1/304; H01J29/04; H01J31/12
Attorney, Agent or Firm:
Norio Ogo (2 outside)