Proximity focused electron beam guide display device including m

Details Proximity focused electron beam guide display device including m Proximity focused electron beam guide display device including m

1977-12-16

1980-01-01

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Beam deflecting means

313458, H01J 2908, H01J 2972, H01J 2956

Patent

active

041818717

ABSTRACT:
The envelope of an image display device has front and rear walls spaced from one another with a cathodoluminescent screen on the front wall. Within the envelope are a plurality of electron beam guides parallel to the rear wall and a source of electrons at one end of the beam guide. Each beam guide has at least one electrode adjacent to and parallel to the rear wall. A plurality of spaced parallel wires arranged in a common plane are between the electrode and the front wall. An electrically conductive mesh is parallel to the plane of wires between the plane and the front wall. The mesh has a plurality of closely spaced apertures which are not greater than 26 microns wide in one dimension.

REFERENCES:
patent: 4069439 (1978-01-01), Anderson

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