Methods of fabricating an electron emission device comprised of

Details Methods of fabricating an electron emission device comprised of Methods of fabricating an electron emission device comprised of

1999-12-22

2000-10-10

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

With assembly or disassembly

445 51, H01J 902

Patent

active

061296023

ABSTRACT:
An electron emission device can be driven with a low voltage and has an excellent mass production capability. A display device, such as a color flat panel or the like, which uses such electron emission devices has an excellent display quality. The electron emission device includes a first electrode, on which a plurality of fine particles of an electron emission body obtained by terminating carbon bodies formed on metal fine particles, serving as nuclei, with a low-work-function material via oxygen are partially arranged, on a first substrate, and a second electrode where a voltage for drawing electrons from the electron emission body into a vacuum is applied. A metal of the metal fine particles is a catalytic metal. The catalytic metal is an iron-family element, such as Ni, Co, Fe or the like, or a platinum-family element, such as Pd, Ir or Pt. The carbon bodies are made of graphite. The low-work-function material is an alkaline metal or an alkaline earth metal.

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