Waveguide obtained by selective etching method

Details Waveguide obtained by selective etching method Waveguide obtained by selective etching method

1986-08-26

1989-04-04

Gensler, Paul

Wave transmission lines and networks

Long lines

Waveguide type

29600, 29DIG16, 156666, H01P 312, H01P 3123

Patent

active

048189626

ABSTRACT:
The invention provides mainly a selective etching method for the total or partial chemical ablation at certain positions of a metal sheet, and a waveguide obtained by said method. Complete ablation is obtained by etching both faces of the metal sheet. Partial ablation is obtained by etching only one of the faces of the metal sheet. Partial ablation allows grooves and semi-thicknesses to be obtained for forming bends and rabbets for the formation of three dimensional pieces.

REFERENCES:
patent: 1434798 (1922-11-01), Stafford
patent: 1915084 (1933-06-01), Bonsall
patent: 2488510 (1949-11-01), Lewin
patent: 3013267 (1961-12-01), Rotman
patent: 3287191 (1966-11-01), Borth
patent: 3508108 (1970-04-01), Salisbury
patent: 3956814 (1976-05-01), Peet
patent: 4206536 (1980-06-01), Hammond et al.
patent: 4422465 (1983-12-01), Haga
patent: 4456500 (1984-06-01), Ibata
Patents Abstracts of Japan, vol. 8, No. 212 (C-244) [1649], Sep. 27, 1984, JP A 59-96276.

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