Electron beam tube collector having ceramic shielding means

Details Electron beam tube collector having ceramic shielding means Electron beam tube collector having ceramic shielding means

1994-05-18

1997-11-04

Lee, Benny T.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

H01J 23027

Patent

active

056843640

ABSTRACT:
In an electron beam tube such as a klystron, a vacuum seal comprises a ceramic cylindrical wall on which are brazed metal rings which are welded to flares and fixed to electrodes and of a collector. Ceramic rings and are located between the metal ring and the electrodes. The cylindrical wall includes inner flanges which overlap the inner peripheries of the metal rings hence reducing the likelihood of arcing occurring between them and other parts of the arrangement at different potentials. In other embodiments of the invention, the ceramic rings are extended to shield the inner edges of the metal rings or a separate ceramic tube is positioned within the metal rings to provided shielding.

REFERENCES:
patent: 3368104 (1968-02-01), McCullough
patent: 3824425 (1974-07-01), Rowls, Jr.
patent: 4398122 (1993-08-01), Gosset
patent: 4527092 (1985-07-01), Ebihara
patent: 5177394 (1993-01-01), Kubo
patent: 5418425 (1995-05-01), Bachmor et al.

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