Field emission device having a central anode

Details Field emission device having a central anode Field emission device having a central anode

1990-10-30

1994-01-25

O'Shea, Sandra L.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313351, H01J 130

Patent

active

052818900

ABSTRACT:
A field emission device providing electric-field induced electron emission includes an annular edge emitter for emission of electrons. Emitted electrons are collected, at least in part, by an anode centrally disposed with respect to the annular edge emitter.

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