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

1976-01-26

1978-08-29

Hix, L. T.

96 361, G03C 500

Patent

active

041107608

ABSTRACT:
The method of manufacturing a striped screen for a colored cathode-ray tube having a shadow mask with rows of elongate apertures. Adjacent apertures in each row are separated by a solid bridge. The photosensitized screen is exposed to light from a elongate light source parallel to the longitudinal directions of the apertures. By moving the light source uniformly during the exposure over a distance substantially equal to an integral number of times the length of the light source and the direction of the longitudinal axis, a line structure is exposed on the photosensitized screen, and the width of the lines is very constant.

REFERENCES:
patent: 3856525 (1974-12-01), Inoue
patent: 3888673 (1975-06-01), Suzuki et al.
patent: 3906515 (1975-09-01), Hosokoshi et al.
patent: 3936302 (1976-02-01), Takami et al.
patent: 3949411 (1976-04-01), Yonai et al.

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