Funnel for a cathode ray tube having a flare zone

Details Funnel for a cathode ray tube having a flare zone Funnel for a cathode ray tube having a flare zone

1996-09-26

1998-07-07

Dombroske, George M.

Electric lamp and discharge devices

Cathode ray tube

Envelope

31331801, 31347711, H01J 3100

Patent

active

057774307

ABSTRACT:
A funnel for a cathode ray tube, which includes a neck tube; the neck tube having an end enlarged to provide a flare zone; and the flare zone having an opened end for coupling a stem for supporting stem pins thereto; wherein the flare zone has at least an outer shape constituted by a tapered surface and a substantially straight surface continuous therewith.

REFERENCES:
patent: 4403170 (1983-09-01), Misono et al.
patent: 5510670 (1996-04-01), Osborne et al.

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