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

Electric lamp or space discharge component or device manufacturi – Process – Including use of electric arc or current for removing an...

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H01J 944

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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.

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