Field emission electron source employing a diamond coating

Details Field emission electron source employing a diamond coating Field emission electron source employing a diamond coating

1992-05-15

1993-11-02

O'Shea, Sandra L.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 313351, 313355, H01J 102, H01J 115, H01J 116

Patent

active

052586855

ABSTRACT:
A field emission electron emitter including a coating of diamond material disposed on a surface of a selectively formed conductive/semiconductive electrode wherein carbon ions are implanted at a surface of the electrode to function as nucleation sites for the diamond formation. A second field emission electron emitter is constructed by implanting carbon ions at a surface of a selectively shaped substrate to function as nucleation sites for the diamond formation. A conductive layer is deposited over the diamond and the substrate is removed to leave an electron emitter with a diamond coating.

REFERENCES:
patent: 3921022 (1975-11-01), Levine
patent: 4084942 (1978-04-01), Villalobos
patent: 4835438 (1989-05-01), Baptist et al.

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