Electron beam producing arrangement for a cathode ray tube

Details Electron beam producing arrangement for a cathode ray tube Electron beam producing arrangement for a cathode ray tube

1977-02-15

1978-08-01

Segal, Robert

Electric lamp and discharge devices

Cathode ray tube

Ray generating or control

313458, H01J 2902, H01J 2946

Patent

active

041045548

ABSTRACT:
An electron beam producing arrangement for a cathode ray tube comprises a vessel shaped control electrode with a bore therein for passage of the electron beam and a hat shaped metal foil element with its crown in the bore and apertured for the passage of the electron beam and fixed to the edge of the bore by its brim.

REFERENCES:
patent: 2227087 (1940-12-01), Hinsch
patent: 2732512 (1956-01-01), Briggs

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