Travelling-wave tube with an improved electron gun

Details Travelling-wave tube with an improved electron gun Travelling-wave tube with an improved electron gun

1974-11-07

1976-09-07

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

313441, 313451, 313456, H01J 2534

Patent

active

039796345

ABSTRACT:
In order to reduce to a minimum the internal diameter of the focusing coils 30 of travelling-wave tubes, the electrodes of the electron gun 10 thereof terminate in cylindrical portions 26, 31 whose external surfaces are in contact, via rings 27 and 28, with metal washers 18, 19 separating insulating cylinders 14, 15, 16 stacked one on top of the other and forming a socket for the casing of the tube containing gun 10. The contact is such that the radial dimensions are minimal and high insulation can be provided between the components. Application to high-power, high-voltage travelling-wave tubes.

REFERENCES:
patent: 2945980 (1960-07-01), Geisler, Jr.
patent: 2984762 (1961-05-01), Haas
patent: 3227913 (1966-01-01), Disman et al.
patent: 3358173 (1967-12-01), Meyerer et al.

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