Method for making phosphor screen for black matrix type color pi

Details Method for making phosphor screen for black matrix type color pi Method for making phosphor screen for black matrix type color pi

1973-12-18

1977-08-30

Kimlin, Edward C.

Gas separation: apparatus

Electric field separation apparatus

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

354 1, 427 68, G03C 500

Patent

active

040452247

ABSTRACT:
A method for making a phosphor screen of a black matrix type color picture tube wherein use is made of two light sources, one being placed inside the faceplate of the tube and the other placed outside the faceplate, for carrying out a light exposure operation. An apparatus useful for such light exposure operation is also disclosed.

REFERENCES:
patent: 2870010 (1959-01-01), Sadowsky et al.
patent: 3226246 (1965-12-01), Vermeulen et al.
patent: 3287130 (1966-11-01), Kaplan
patent: 3615462 (1971-10-01), Szegho et al.
patent: 3661580 (1972-05-01), Mayaud

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