Process for forming phosphor screen

Details Process for forming phosphor screen Process for forming phosphor screen

1982-08-16

1985-04-23

Lusignan, Michael R.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 68, 427 73, B05D 506, B05D 512

Patent

active

045130248

ABSTRACT:
A phosphor screen good in quality without greatly lowering brightness can be produced on a cathode-ray tube faceplate by the settling process wherein there is used a suspension of phosphor particles which are susceptible to hydrolysis or dissolution prepared by using an alkaline aqueous solution having a pH of 10 to 13 and if necessary with a small amount of water glass, or the above-mentioned phosphor suspension is poured into a cushion solution having a pH of 10 to 13, said cushion solution being able to contain a small amount of water glass.

REFERENCES:
patent: 2873205 (1959-02-01), Dijkstra et al.
patent: 2909444 (1959-10-01), Seats et al.

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