Method for fabricating corrugated microwave components

Details Method for fabricating corrugated microwave components Method for fabricating corrugated microwave components

1982-09-02

1985-01-08

Moon, Charlie T.

Metal working

Method of mechanical manufacture

Electrical device making

29445, 29DIG12, 29DIG16, 29DIG26, 333239, H01P 1100, H01Q 1302

Patent

active

044920202

ABSTRACT:
In the disclosed method for fabricating corrugated microwave components, a billet assembly is formed of electrically conductive plates sandwiched with chemical etching sensitive spacer material and clamped together. An inside surface is formed in the billet and a mandrel inserted. An outer contoured surface is then formed on the mandrel-billet assembly. The outer surface is then plated to a desired thickness. The mandrel is removed and the spacers chemically etched away leaving the finished component. With the disclosed method, microwave device fabrication for frequencies including 100 GHz and higher is possible.

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Dragone, "Characteristics of a Broadband Microwave Corrugated Feed: A Comparison Between Theory and Experiment", The Bell System Technical Journal, vol. 56, No. 6, Jul.-Aug. 1977, pp. 869-888.

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