Method for the manufacture of a microwave delay line and microwa

Details Method for the manufacture of a microwave delay line and microwa Method for the manufacture of a microwave delay line and microwa

1979-12-20

1982-02-02

Goldberg, Howard N.

Wireworking

Article making or forming

Electric lamp or electric space discharge device electrode

29600, 140 921, 315 35, 333162, B21F 310, B21F 4500

Patent

active

043134742

ABSTRACT:
The present invention relates to a method for the manufacture of a hyperfrequency delay line. The method comprises using a single metal wire shaped by the coiling thereof, said operation comprising bringing the wire into the form of contiguous coils. Coiling is followed by a wire cambering operation during which the coils are deformed at regular intervals in the axis of the line by using wedges, in such a way that the line is formed by a succession of identical groups of three coils in which the first and third coils have identical but oppositely directed inclinations with respect to the axis and in which half of the second coil remains contiguous with the first coil and half remains contiguous with the third coil. Application to the manufacture of double helix delay lines, of ring and bar and ring and loop lines, used in travelling wave tubes functioning as amplifiers.

REFERENCES:
patent: 2812499 (1957-11-01), Robertson
patent: 2813221 (1957-11-01), Peter
patent: 2955223 (1960-10-01), Kompfner
patent: 3262769 (1966-07-01), Bauer
patent: 3583065 (1971-06-01), Holland
patent: 3634786 (1972-01-01), Matsuoka
patent: 3760223 (1973-09-01), Jasper, Jr.
patent: 4004179 (1977-01-01), Phillips
patent: 4090280 (1978-05-01), Ormili et al.

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