Waveguide having strip dielectric structure

Details Waveguide having strip dielectric structure Waveguide having strip dielectric structure

1976-05-12

1977-06-07

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

With balanced circuits

333 10, 333 82R, 333 84R, H01P 316, H01P 320, H01P 518, H01P 700

Patent

active

040286436

ABSTRACT:
The invention is directed to a waveguide for microwave electromagnetic energy. A conductive ground plane has a first layer of dielectric material disposed on its surface. A second dielectric layer overlays the first dielectric layer. The second dielectric layer has a higher dielectric constant than the first dielectric layer. An elongated dielectric strip is formed on the second dielectric layer, the strip having a width which is substantially less than that of the second dielectric layer. The strip is formed of a material having a dielectric constant which is less than the dielectric constant of the material comprising the second dielectric layer. In operation, the wave energy propagates in the second dielectric layer which has the highest dielectric constant. The dielectric strip provides a lens effect in the transverse direction so most of the wave energy is carried below the strip.

REFERENCES:
patent: 3563630 (1971-02-01), Anderson et al.
patent: 3785717 (1974-01-01), Croset et al.
patent: 3840828 (1974-10-01), Linn et al.
patent: 3903488 (1975-09-01), Fong

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