Segmented electron emission device

Details Segmented electron emission device Segmented electron emission device

1991-12-11

1994-02-08

Yusko, Donald J.

Electric lamp and discharge devices

Electrode and shield structures

Cathodes containing and/or coated with electron emissive...

313103CM, 313309, H01J 1906

Patent

active

052851290

ABSTRACT:
A multiple electron emission device having a substrate, a pair of opposed electrodes disposed on the substrate, and an electron emission section formed with grains between the electrodes. Selected portions of the electron emission section are coated with a conductor, semiconductor or insulating material by mask deposition or the like so as to divide the electron emission section into a dotted or linear array of electron emitting portions.

REFERENCES:
patent: 2185674 (1940-01-01), Michel
patent: 3703657 (1972-11-01), Shesser
patent: 4093562 (1978-06-01), Kishimoto
patent: 4325084 (1982-04-01), van Gorkom et al.
patent: 4766345 (1988-08-01), Harvey et al.
patent: 4827177 (1989-05-01), Lee et al.
patent: 4954744 (1990-09-01), Suzuki et al.

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