Ballistic charge transport device with integral active contamina

Details Ballistic charge transport device with integral active contamina Ballistic charge transport device with integral active contamina

1993-12-20

1996-03-26

O'Shea, Sandra L.

Electric lamp and discharge devices

Discharge devices having a thermionic or emissive cathode

313306, 313553, 257 10, 257928, H01J 146, H01J 1724, H01L 2906, H01L 2358

Patent

active

055023487

ABSTRACT:
A ballistic charge transport device including an edge electron emitter defining an elongated central opening therethrough with a receiving terminal (e.g. an anode) at one end of the opening and a getter at the other end. A suitable potential is applied between the emitter and the receiving terminal to attract emitted electrons to the receiving terminal and a different suitable potential is applied between the emitter and the getter so that contaminants, such as ions and other undesirable particles, are accelerated toward and absorbed by the getter.

REFERENCES:
patent: 5144191 (1992-09-01), Jones
patent: 5214347 (1993-05-01), Gray
patent: 5223766 (1993-06-01), Nakayama
patent: 5378963 (1995-01-01), Ikeda

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