Method of manufacturing a cathode ray tube for displaying colore

Details Method of manufacturing a cathode ray tube for displaying colore Method of manufacturing a cathode ray tube for displaying colore

1976-08-24

1977-06-28

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

040323420

ABSTRACT:
An exposure method for manufacturing a cathode ray tube for displaying colored pictures and having a display screen comprising a large number of triplets of phosphor lines. During the manufacture of the display screen the phosphor lines are provided on the unexposed areas of a photosensitive layer. In order to obtain good triplets at the edge of the display screen, according to the invention an extra lamp position is used during the exposure.

REFERENCES:
patent: 3779760 (1973-12-01), Miyaoka
patent: 3888673 (1975-06-01), Suzuki et al.

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