Travelling wave tube with a helical delay line

Details Travelling wave tube with a helical delay line Travelling wave tube with a helical delay line

1977-10-07

1979-05-08

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 36, 315 373, H01J 2534

Patent

active

041538595

ABSTRACT:
A travelling-wave tube with improved heat dissipation characteristics, having a helical delay line disposed between an electron-beam generating system and an electron-beam receiver, with the helical delay line being supported by a plurality of retaining members, at least one of which is made out of a material different from the remaining members, the latter being made out of quartz and the first mentioned member being made of a material that has a better heat conducting capacity than the quartz rods, at least in radial direction, and has a dielectric constant that does not differ sufficiently from that of quartz to materially effect the gain of the tube or dispersion curve of the signal wave.

REFERENCES:
patent: 2947907 (1960-08-01), Bodmer
patent: 3634723 (1972-01-01), Gross
patent: 3903449 (1975-09-01), Scott et al.

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