Front attachment for CRT. E.G. for a monitor or video tube

Details Front attachment for CRT. E.G. for a monitor or video tube Front attachment for CRT. E.G. for a monitor or video tube

1987-09-01

1989-02-14

Moore, David K.

Electric lamp and discharge devices

Cathode ray tube

Envelope

313479, 313474, 358250, 358252, H01J 2986, H01J 2989

Patent

active

048048836

ABSTRACT:
Front attachment unit for the cathode ray tube of monitors, television sets or the like, consisting of a sheet of glass, in particular a sheet of gray glass, anti-reflection equipment on the front side and an absorption coating on the rear side, whereby the absorption coating has metallic atoms. The absorption coating is single-layer and made of chromium, a chromium
ickel alloy or silicides. It is anti-statically adjusted and grounded. It is of a thickness which reduces the light transmission compared with a non-coated sheet of glass by approximately a third.

REFERENCES:
patent: 2734142 (1956-02-01), Barnes
patent: 3708622 (1973-02-01), Brown, Jr. et al.
patent: 3879627 (1975-04-01), Robinder
patent: 3909524 (1975-09-01), Ohkoshi et al.
patent: 4031553 (1977-06-01), Sumiyoshi et al.
patent: 4663562 (1987-05-01), Miller et al.

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