Slow-wave structure attenuation arrangement with reduced frequen

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

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315 36, 315 393, 330 43, H01J 2534

Patent

active

040053296

ABSTRACT:
In the disclosed attenuation arrangement a plurality of axially extending boron nitride support rods having a substantially rectangular cross-section are disposed about the peripheral surface of a helical slow-wave structure. An attenuating coating is provided on the substantially radially extending opposing lateral surfaces of each rod, with the substantially circumferentially extending opposing lateral rod surfaces being free from attenuating material.

REFERENCES:
patent: 3329855 (1967-07-01), Landsbergen
patent: 3368103 (1968-02-01), Thall
patent: 3466493 (1969-09-01), Phillips
patent: 3519964 (1970-07-01), Chorney et al.
patent: 3670197 (1972-06-01), Unger
patent: 3903449 (1975-09-01), Scott et al.

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