Helix type traveling wave tube structure with supporting rods co

Details Helix type traveling wave tube structure with supporting rods co Helix type traveling wave tube structure with supporting rods co

1992-04-01

1993-12-28

Lee, Benny T.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 393, H01J 2324

Patent

active

052743047

ABSTRACT:
A traveling wave tube structure is used for propagation of an electron beam, and includes a metal tube member having an inner surface defining a hollow space, a helix member provided in the hollow space, and a plurality of supporting rods provided between the inner surface and the helix member and circumferentially spaced at predetermined angles from one another. Each of the supporting rods is formed from a quartz rod member covered with a substance selected from the group consisting of boron nitride and artificial diamond. The quartz contributes mechanical strength while the named covering substances are especially beneficial due to their dielectric constants and thermal conductivities.

REFERENCES:
patent: 2806171 (1957-09-01), Iversen
patent: 2903657 (1959-09-01), Eichen
patent: 3466494 (1969-09-01), Eichen et al.
patent: 4005329 (1977-01-01), Manoly
patent: 4278914 (1981-07-01), Horper

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