Method for manufacturing the picture display screen of a color t

Details Method for manufacturing the picture display screen of a color t Method for manufacturing the picture display screen of a color t

1974-06-28

1978-09-05

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

96 27E, 354 1, G03C 500

Patent

active

041116941

ABSTRACT:
An exposure device for establishing the phosphor dots of a shadow mask color television tube. The apertures in the shadow mask are optically projected from a light source onto a photosensitive layer on the window of the tube. Arranged between the light source and the shadow mask is a cylinder lens with its axis in the direction of one of the main directions of the deflection coil system.

REFERENCES:
patent: 3003874 (1961-10-01), Kaplan
patent: 3279340 (1966-10-01), Ramberg et al.
patent: 3282691 (1966-11-01), Morrell et al.
patent: 3429704 (1969-02-01), Ratliff
patent: 3437482 (1969-04-01), Yamada et al.
patent: 3582326 (1971-06-01), Smithgall
patent: 3738233 (1973-06-01), Schwartz

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