Method of manufacturing a cathode ray tube for displaying...

H - Electricity – 01 – J

Patent

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316/13, 313/35.1

H01J 29/32 (2006.01) H01J 9/227 (2006.01)

Patent

CA 1060079

ABSTRACT: A method of manufacturing a cathode ray tube for displaying coloured pictures and cathode ray tube manufactured according to said method. The triplets of phosphor lines of the display screen each correspond to a row of apertures in the colour selection electrode. The two outermost rows of apertures do not correspond to a triplet of phosphor lines. Both absent triplets are replaced, for example, by a light absorbing material.

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