Wire shaped electron source

Details Wire shaped electron source Wire shaped electron source

1991-08-09

1992-12-15

Yusko, Donald J.

Electric lamp and discharge devices

Electrode and shield structures

Filament or resistance heated electrodes

313343, 313344, 313345, 313346R, 313269, H01J 1908

Patent

active

051720272

ABSTRACT:
A wire shaped electron source includes a heating core wire, an insulator partially provided on the heating core wire, and an electron emission material provided on the heating core between the insulators. The thickness of the electron emission material is less than the height of the insulators. When the wire shape electron source is installed in a flat panel display device, the insulator prevents the electron emission material from vibrating thus preventing any contact with the inner wall of the flat panel display device.

REFERENCES:
patent: 4551737 (1985-11-01), Inokuchi

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