Long flexible waveguide

Details Long flexible waveguide Long flexible waveguide

1975-05-29

1976-08-10

Gensler, Paul L.

Wave transmission lines and networks

Miscellaneous

Multipactor applications

333 98R, H01P 314

Patent

active

039744671

ABSTRACT:
A long flexible waveguide is fabricated by corrugating a thin-walled tube circular in section and then molding the corrugated tube so as to make the shape of its section substantially rectangular. The long flexible waveguide has a substantially rectangular section wherein a corrugating pitch P falls within a range of .lambda..sub.g /10<P<2 K.sqroot.D.sup.. t where .lambda..sub.g denotes a wavelength in the waveguide, K a constant, D an outer diameter of the tube before the corrugation, and t a thickness of the wall of said tube, and wherein a radius of curvature R of each inside corner of the molded tube falls within a range of h .ltoreq.R .ltoreq.0.46 b where h denotes a depth of the corrugate form of said tube, and b a dimension of said tube on the side of a minor axis of said section. Rectangular waveguide thus fabricated has excellent electric characteristics and is produced under good working conditions.

REFERENCES:
patent: 3372352 (1968-03-01), Krank et al.
patent: 3444487 (1969-05-01), Krank et al.

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