Luminescent screen and a method of fabrication of said screen

Details Luminescent screen and a method of fabrication of said screen Luminescent screen and a method of fabrication of said screen

1984-11-20

1987-04-28

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Screen

427 64, H01J 2928, A23C 912

Patent

active

046617426

ABSTRACT:
The luminescent screen comprises blocks having an optical transparency of less than 1. The blocks are placed between the grains of the first layer of luminescent material and the transparent substrate and have a cross-sectional area which is equal at a maximum to that of the grains. Said blocks are formed by means of a selective plasma etching operation in which the grains of the first layer of luminescent material are employed as a mask.

REFERENCES:
patent: 2599739 (1952-06-01), Barnes
patent: 3726678 (1973-04-01), Robinder
patent: 3729342 (1973-04-01), Te Velde
patent: 4135113 (1979-01-01), Tsuneta et al.
patent: 4251610 (1981-02-01), Haven et al.
patent: 4310784 (1982-01-01), Anthon et al.
patent: 4485158 (1984-11-01), Harper

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