Method of manufacturing a phosphor screen for cathode ray tubes

Details Method of manufacturing a phosphor screen for cathode ray tubes Method of manufacturing a phosphor screen for cathode ray tubes

1989-09-12

1991-12-17

Bell, Janyce

Radiation imagery chemistry: process, composition, or product th

Producing cathode-ray tube or element thereof

Using specified radiation-sensitive composition other than a...

427 64, 427 68, 430 23, G03C 500

Patent

active

050734636

ABSTRACT:
A method of manufacturing a phosphor screen for a cathode ray tube comprises the step of forming a suspension of a phosphor material and a resin particle having an average particle size of 0.5 to 20 micrometers in an aqueous solution containing a photosensitive resin, a dispersing agent and a binder; coating an inner surface of a cathode ray tube with the suspension to form a phosphor screen; then forming an intermediate layer on the phosphor screen; then forming a metal back layer on the intermediate film; and finally baking the whole product so that the brightness of the phosphor screen of the cathode ray tube can be increased.

REFERENCES:
patent: 3966474 (1976-06-01), Harper
patent: 3981729 (1976-09-01), Saulnier
patent: 4139657 (1979-02-01), Watanabe
patent: 4485158 (1984-11-01), Harper

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