Method of manufacturing cathode-ray tube

Details Method of manufacturing cathode-ray tube Method of manufacturing cathode-ray tube

1984-09-27

1985-09-17

Hoffman, James R.

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 72, B05D 506, B05D 312

Patent

active

045420386

ABSTRACT:
A method of manufacturing a cathode-ray tube is provided, wherein in forming a phosphor screen on the inner surface of a faceplate of the cathode-ray tube, the inner surface of the faceplate faces downward while the faceplate is rotated about the axis of the cathode-ray tube, and a liquid material for forming a film is sprayed from a supply nozzle arranged to be substantially perpendicular to the inner surface of the faceplate so as to spray the liquid material on the inner surface of the faceplate along all directions, thereby forming a uniform film throughout the inner surface of the faceplate.

REFERENCES:
patent: 3652323 (1972-03-01), Smith
patent: 4035524 (1977-07-01), Fritsch
patent: 4052519 (1977-10-01), Prazak

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