High resolution output structure for an image tube which minimiz

Details High resolution output structure for an image tube which minimiz High resolution output structure for an image tube which minimiz

1984-04-26

1986-07-01

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Screen

350 9627, H01J 162, H01J 2918

Patent

active

045982287

ABSTRACT:
A phosphor screen which has an optical fiber plate formed of a number of bundled single optical fibers, each of which fibers consists essentially of a cylindrical core and a clad surrounding the curved peripheral wall of the core and a phosphor layer formed on one surface of the optical fiber plate, characterized in that the cylindrical core on the other surface of the optical fiber plate is removed, to provide a depression of a depth of at least 1 .mu.m, thereby producing an image having high contrast.

REFERENCES:
patent: 3237039 (1966-02-01), Fyler
patent: 3907403 (1975-09-01), Maeda
patent: 4264408 (1981-04-01), Benham

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