Method for spot-knocking an electron gun mount assembly of a CRT

Details Method for spot-knocking an electron gun mount assembly of a CRT Method for spot-knocking an electron gun mount assembly of a CRT

1989-03-29

1989-11-28

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Including use of electric arc or current for removing an...

H01J 944

Patent

active

048834386

ABSTRACT:
The novel spot-knocking method for an electron gun mount assembly in an evacuated CRT comprises applying a spot knocking voltage between a first and second anode, and a first focus electrode with the remaining gun elements including a heater, a cathode, a control electrode, a screen electrode and a second focus electrode electrically floating.

REFERENCES:
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patent: 4326762 (1982-04-01), Hockenbrock et al.
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patent: 4682962 (1987-07-01), Hata et al.
patent: 4682963 (1987-07-01), Daldry et al.
patent: 4764704 (1988-08-01), New et al.

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