Color-television screen-coating room

Details Color-television screen-coating room Color-television screen-coating room

1979-03-23

1980-12-23

Prescott, Arthur C.

Chemistry: electrical and wave energy

Apparatus

Coating, forming or etching by sputtering

204294, B03C 500

Patent

active

042408962

ABSTRACT:
A method and an arrangement for separating a red rare-earth phosphor of a color-television picture tube from the sediment in the drain channels of a screen-coating room, which sediment contains, in addition to various impurities, zinc-sulfide-base and zinc-cadmium-base green and blue phosphors.

REFERENCES:
patent: 2530524 (1950-11-01), Hlavin
patent: 2887444 (1959-05-01), Lindstaedt
patent: 3441488 (1969-04-01), Onstott
patent: 3458415 (1969-07-01), Hughes, Jr. et al.

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