Electron emission element

Details Electron emission element Electron emission element

1992-02-19

1994-01-25

Yusko, Donald J.

Electric lamp and discharge devices

Discharge devices having a multipointed or serrated edge...

313336, 313351, H01J 102

Patent

active

052818918

ABSTRACT:
An electron emission element includes an insulating substrate. A base electrode is formed on the insulating substrate. A plurality of emitters are formed on the base electrode and are arranged radially with respect to a given point. The emitters have wedge shapes with their respective tips facing inward. An insulating layer is formed on the substrate and the base electrode, and is spaced from the wedges of the emitters by given gaps. A control electrode is formed on the insulating layer for enabling electrons to be emitted from the tips of the wedge-shaped emitters.

REFERENCES:
patent: 4728851 (1988-03-01), Lambe
patent: 4827177 (1989-05-01), Lee et al.
patent: 4943343 (1990-07-01), Bardai et al.
"Observation and Control of Liquid Crystal Molecules by STM" Densoken News No. 493, Feb., 1991.
"A Thin-Film Field-Emission Cathode" by C. A. Spindt; Journal of Applied Physics, vol. 39, No. 7 pp. 3504-3505, Dec. 1968.
"Field Emission Triodes" by Robert E. Neidert et al.; IEEE Transactions on Electron Devices, vol. 38, No. 3, Mar. 1991, pp. 661-665.
"Vacuum Microtriode Characteristics" by W. N. Carr et al.; J. Vac. Sci. Tchnol., A8(4), Jul./Aug. 1990 pp. 3581-3585.
"Fabrication and Operation of Silicon Micro-Field-Emitter-Array" by K. Betsui, Autumn Meeting of Japanese Society of Electronics, (1990) Densoken News; Feb. 19, 1992.

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