Method for manufacturing anti-static cathode ray tubes

Details Method for manufacturing anti-static cathode ray tubes Method for manufacturing anti-static cathode ray tubes

1989-09-12

1991-03-26

Bell, Janyce

Coating processes

Electrical product produced

Fluorescent or phosphorescent base coating

427 64, 427106, 427108, 4271262, 4271263, 427167, 427227, 427240, B05D 512

Patent

active

050027999

ABSTRACT:
In manufacturing anti-static cathode ray tubes, the concentration of a conducting filler dispersed in the coating solution is so set that a surface resistance lies within a fixed range. The baking step of the anti-static treatment is integrated in the conventional heat treatment of cathode ray tubes. Further, the salvage cap used to receive splashes of coating solution is rotated in synchronization with the tube.

REFERENCES:
patent: 4723091 (1988-02-01), Kawamura et al.
patent: 4908232 (1990-03-01), Itou et al.

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