Coupled cavity type slow-wave structure for use in travelling-wa

Details Coupled cavity type slow-wave structure for use in travelling-wa Coupled cavity type slow-wave structure for use in travelling-wa

1975-11-26

1977-03-22

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

315 393, 333 31A, H01J 2534

Patent

active

040139174

ABSTRACT:
A coupled cavity type slow-wave structure for use in a travelling-wave tube, in which there are provided at a given spacing a plurality of partition walls within a circular wave-guide, with dielectric cylindrical pieces or spacers being confined between each pair of the aforesaid partition walls and in concentric relation to central apertures defined in the aforesaid partition walls. The dielectric cylindrical pieces are provided with holes slightly larger than the aforesaid central apertures in the partition walls, and the aforesaid central apertures are adapted to pass electron beams therethrough. In addition, the partition walls each have coupling slots, through which adjoining cavities are in communication with each other. The dielectric cylindrical pieces are brazed to the adjacent partition walls in gas-tight relation. This insures an accurate spacing between each pair of partition walls and eliminates thermal deformation in those portions of the partition walls which surround the aforesaid central apertures, particularly the portions encircled interiorly of the dielectric cylindrical pieces.

REFERENCES:
patent: 2970242 (1961-01-01), Jepsen
patent: 3153767 (1964-10-01), Kyhl
patent: 3181024 (1965-04-01), Sensiper
patent: 3471738 (1969-10-01), Bert
patent: 3602766 (1971-08-01), Grant
patent: 3889148 (1975-06-01), Gross
patent: 3909651 (1975-09-01), Baker et al.
patent: 3924151 (1975-12-01), Gross

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