Method of making picture tube fluorescent screen

Radiation imagery chemistry: process – composition – or product th – Producing cathode-ray tube or element thereof – Using specified radiation-sensitive composition other than a...

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427 64, 427 68, G03C 500

Patent

active

044242654

ABSTRACT:
There are disclosed a composition for making a picture tube fluorescent screen characterized by essentially consisting of a light-sensitive resin at least having recurring units (1) and (2) represented by the formulas: ##STR1## wherein R and X.sup.- have the same meanings as defined in the specification, and CaS-based phosphor particles which are dispersed in an aqueous medium, and a method of making a picture tube fluorescent screen using the same.
According to this invention, it is possible to make a picture tube exhibiting an excellent light emitting efficiency and a contrast by a simple process.

REFERENCES:
patent: 4339524 (1982-07-01), Ichimura et al.

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