Method of manufacturing luminescent screens for color picture tu

Radiation imagery chemistry: process – composition – or product th – Producing cathode-ray tube or element thereof – Using specific control or specific modification of exposure,...

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354 1, 430 4, 430 5, 430 26, 430396, 430494, G03C 500

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active

042885124

ABSTRACT:
A rotating diaphragm is used to distribute a predetermined amount of light onto a light-sensitive phosphor layer on a glass faceplate in order to obtain sharp-edged phosphor stripes.

REFERENCES:
patent: 2717545 (1955-09-01), Engeler
patent: 3676129 (1972-07-01), Ragland
patent: 3841875 (1974-10-01), Park et al.
patent: 4001018 (1977-01-01), Tsuneta et al.
patent: 4013467 (1977-03-01), Hosokoshi et al.

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