ELECTRON EMISSION SOURCE AND ITS MANUFACTURING METHOD

Title:

ELECTRON EMISSION SOURCE AND ITS MANUFACTURING METHOD

Document Type and Number:

Japanese Patent JP2004288460

Kind Code:

A

Abstract:

To provide an electron emission source for FED in which high vacuum is not necessary and which is stably operated in low voltage and high current, and to provide its manufacturing method.

The electron emission source is manufactured by depositing carbon crystals in a protruding state from the surface of the carbon system base material by carrying out CVD with the carbon system base material as heat filament in carbon content gas atmosphere.

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Inventors:

SUDA YOSHIHISA
SHIMIZU OSAMU
SHIMURA FUMIO
ITO TATSUMI

Application Number:

JP2003078476A

Publication Date:

October 14, 2004

Filing Date:

March 20, 2003

Export Citation:

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Assignee:

MITSUBISHI PENCIL CO

International Classes:

H01J9/02; H01J1/304; H01J29/04; (IPC1-7): H01J1/304; H01J9/02; H01J29/04

Attorney, Agent or Firm:

Takashi Ishida
Jun Tsuruta
Shigeru Tsuchiya
Masaya Nishiyama
Higuchi Souji

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