Electron-emitting device and electron-beam generator making use

Details Electron-emitting device and electron-beam generator making use Electron-emitting device and electron-beam generator making use

1989-05-24

1990-09-04

O'Shea, Sandra L.

Electric lamp and discharge devices

Electrode and shield structures

Point source cathodes

313309, 313355, H01J 130, H01J 1910, H01J 1924

Patent

active

049547445

ABSTRACT:
An electron-emitting device comprises electrodes mutually opposingly provided on the surface of a substrate, and an electron-emitting area provided between the electrodes, wherein a conductive film having an electrical resistance greater than that of said electron-emitting area and not more than 10.sup.10 .OMEGA./square is provided on the surface of the substrate at least at the peripheral area of the electron-emitting area in the state that it is electrically connected to said electrodes.

REFERENCES:
patent: 3970887 (1976-07-01), Smith et al.
patent: 4728851 (1988-03-01), Lambe
patent: 4827177 (1989-05-01), Lee et al.
patent: 4855636 (1989-08-01), Busta et al.

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