Diamond shaped exposure modulator for manufacturing crt's

Details Diamond shaped exposure modulator for manufacturing crt's Diamond shaped exposure modulator for manufacturing crt's

H - Electricity

01

J

240/73, 95/0.8

H01J 31/00 (2006.01)

Patent

CA 1075061

ABSTRACT: By means of an exposure device for the manufacture of cathode-ray tube for displaying coloured pictures which comprises sufficient long elongate light source of which the amount of light radiated by said light source increases linearly from zero at the ends of the light source to a maximum at the centre of the light source, so that a tri- angular light profile is obtained, cathode-ray tubes can be manufactured of which the display screen is composed of triplets of phosphor lines, which phosphor lines have a very continuous width.

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