Method for making a field emission device

Details Method for making a field emission device Method for making a field emission device

1994-02-10

1996-01-02

Breneman, R. Bruce

Fishing, trapping, and vermin destroying

445 50, H01J 904

Patent

active

054808430

ABSTRACT:
A method for making a field emission cathode in layers by first forming a conical-section shaped layer, a truncated buffer layer, and on top of it forming a cathode conical-tip-shaped layer so that the cathode yields a uniform emission brightness and is capable of emitting electrons for a long time, and so that the cathode is not prone to tip breakage when current is excessively applied only to a portion of the cathode.

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