Method of manufacturing phosphor screen of cathode ray tube

Details Method of manufacturing phosphor screen of cathode ray tube Method of manufacturing phosphor screen of cathode ray tube

1985-09-16

1987-08-18

Smith, John D.

Coating processes

Electrical product produced

Welding electrode

427 71, 427 72, 427202, 427240, 427346, 430 23, B05D 306, B05D 512

Patent

active

046878254

ABSTRACT:
A method of manufacturing a phosphor screen of a cathode ray tube, comprises forming a pattern having a particle-receptive adhesive surface on an inner surface of a faceplate having a peripheral wall, rotating the faceplate about an axis perpendicular to its inner surface and passing its center, and charging phosphor particles onto the inner surface of the faceplate during or before rotation thereof so as to allow the phosphor particles to slide on the inner surface of the faceplate and to attach to the particle-receptive adhesive surface. The method can form a phosphor film having a uniform and sufficient thickness without an irregularity in the amount of phosphor attached.

REFERENCES:
patent: 3467059 (1969-09-01), Korner et al.
patent: 4025662 (1977-05-01), Sumner
patent: 4263385 (1981-04-01), Pampalone
patent: 4469766 (1984-09-01), Nishizawa et al.

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