Electron beam tubes having a resonant cavity with high frequency

Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure

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315 533, 315 537, 330 45, 333 81R, H01J 2354

Patent

active

056062214

ABSTRACT:
In an electron beam tube, such as an IOT, ferrite loaded silicone rubber or some other ferrite loaded dielectric material, is carried by a wall of an input cavity. The material absorbs r.f. energy, reducing coupling between different parts of the tube which could otherwise result in undesirable oscillation. Furthermore, its provision on part of the input cavity wall enables easy access to be made for replacement and servicing requirements.

REFERENCES:
patent: 3381163 (1968-04-01), La Rue et al.
patent: 4163175 (1979-07-01), Tashiro
patent: 4174492 (1979-11-01), Holle
patent: 4529911 (1985-07-01), Hutter
patent: 5130206 (1992-07-01), Rajan et al.
patent: 5266868 (1993-11-01), Sakamoto et al.

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