Electron emitting device

Details Electron emitting device Electron emitting device

1993-08-12

1995-08-15

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313496, 313309, 313336, 313351, H01J 3112

Patent

active

054422558

ABSTRACT:
An electron tube is constructed to seal in vacuum a substrate for supporting an electron collect electrode, a substrate for supporting a cold cathode array, and a part of an electrode structure. Electrons, emitted from an electron discharge area composed of the cold cathode array and the electrode for picking up an electron beam, pass through a vacuum area and reach an electron collect electrode. The vacuum area is formed by anode jointing the outer peripheral portion of the substrate 1 for supporting the electron collect electrode with the part of the electrode for picking up an electron beam in a vacuum bath. After sealing them in vacuum, the vacuum level of the vacuum area can be kept unchanged when the electron tube is taken out of the vacuum vessel.

REFERENCES:
patent: 3789471 (1974-02-01), Spindt et al.
patent: 3855499 (1974-12-01), Yamada et al.
patent: 4857161 (1989-08-01), Borel et al.
patent: 5157304 (1992-10-01), Kane et al.
patent: 5256936 (1993-10-01), Itoh et al.

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