Electron source and production thereof, and image-forming appara

Details Electron source and production thereof, and image-forming appara Electron source and production thereof, and image-forming appara

1995-05-26

1997-02-25

Bradley, P. Austin

Electric lamp or space discharge component or device manufacturi

Process

Repairing, converting or salvaging

445 3, 445 51, H01J 130, H01J 942, H01J 950

Patent

active

056054831

ABSTRACT:
An electron source is constituted of a substrate, and an electron-emitting element provided on the substrate. The electron-emitting element comprises a plurality of electrode pairs having an electroconductive film between each of the electrode pairs. An electron-emitting region is formed on the electroconductive film of selected ones of the electrode pairs. A method of testing the electrode pairs and/or the thin film for a defect and then generating an electron-emitting region so as to have no defect is available.

REFERENCES:
patent: 4954744 (1990-09-01), Suzuki et al.
patent: 4956578 (1990-09-01), Shimizu et al.
patent: 5023110 (1991-06-01), Nomura et al.
patent: 5066883 (1991-11-01), Yoshioka et al.
M. Gilmore et al., "Measurement of Gated Field Emitter Failures," Rev. Sci. Instrum. 64(2) Feb. 1993, pp. 581-582.

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