Method for introducing a high voltage conductor into a televisio

Details Method for introducing a high voltage conductor into a televisio Method for introducing a high voltage conductor into a televisio

1977-01-03

1978-01-03

Lazarus, Richard B.

316 18, H01J 918

Patent

active

040663108

ABSTRACT:
A method of introducing a high voltage electrical conductor through the neck of a television cathode ray tube comprising the providing of a gun-base assembly comprising a hollow glass stub tubulation on one end of which is an annular glass base carrying an electron gun assembly. On the distal end of the stub tubulation is temporarily secured a hollow holder. An electrical conductor is provided which passes through the stub tubulation. The gun-base assembly is inserted into the neck and hermetically bonded to the neck. The cathode ray tube is evacuated through the stub tubulation and the temporary holder. Heat is applied circumferentially to the stub tubulation to soften and pinch off the tubulation, sealing the evacuated tube against re-entry of air. The temporary holder is detached from the stub tubulation to form a cup in the end of the tubulation for receiving an electrical connector.

REFERENCES:
patent: 3552818 (1971-01-01), Benda

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