Cathode structure for electron gun

Details Cathode structure for electron gun Cathode structure for electron gun

1990-07-13

1992-05-26

DeMeo, Palmer C.

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313270, 313337, 313456, 313417, H01J 2948, H01J 2982

Patent

active

051171538

ABSTRACT:
A cathode structure for an electron gun of a cathode ray tube contains supporting pieces for preventing the detachment of an insulating block that are buried into insertion grooves made in the insulating block. These supporting pieces contact and are welded to the inside of the skirt of the control grid after they are inserted into the control grid together with the insulating block. This provides high stability against external impacts.

REFERENCES:
patent: 2967963 (1961-01-01), Ballard et al.
patent: 3156029 (1964-11-01), Simon
patent: 3238409 (1966-03-01), Brown

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