Slow-wave circuit for traveling-wave tubes

Details Slow-wave circuit for traveling-wave tubes Slow-wave circuit for traveling-wave tubes

1979-03-26

1980-12-02

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 36, 315 393, H01J 2534

Patent

active

042374022

ABSTRACT:
In a travelling-wave tube for very high frequencies the slow-wave circuit is formed of four metal combs having teeth pointed toward the electron beam. The combs are arranged in two pairs. The teeth of the two combs in each pair extend inward from opposite sides of the beam and are axially aligned to form the electrical equivalent of a half-wave bar or ladder structure. They may or may not be joined at the tips because those are low-current points. The teeth of one pair are at right angles to those of the other pair and are displaced axially to interleave with them. Each comb is preferably made from a single piece of copper to provide better dimensional precision, low circuit loss, mechanical durability and high thermal capability.

REFERENCES:
patent: 2827589 (1958-03-01), Hines
patent: 2908845 (1959-10-01), Pierce
patent: 3208015 (1965-09-01), Pasty
patent: 3233139 (1966-02-01), Chodorow
patent: 3289031 (1966-11-01), Hiramatsu et al.

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