Dielectric waveguide-type filter

Details Dielectric waveguide-type filter Dielectric waveguide-type filter

1989-09-12

1990-10-16

Laroche, Eugene R.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333202, 333209, 333212, H01P 1207, H01P 316

Patent

active

049638440

ABSTRACT:
A dielectric waveguide-type filter is fabricated by vapor depositing or coating all but one of the four sides extending in the axial direction of a six-sided dielectric block that is long in its axial direction lying perpendicular to its width and height with a conductive material and either leaving the fourth side surface open or forming it with a conductive pattern depending on whether the filter characteristics to be obtained are high-pass characteristics, band-pass characteristics or band-rejection characteristics, the conductive pattern, if formed, being formed in a configuration and distribution depending on the filter characteristics to be obtained. A pair of electrode patterns for electrical connection with an exterior circuit are provided by patterning of conductive material on the opposite axial end surfaces of the dielectric block or on the open surface at positions near the opposite axial end surfaces.

REFERENCES:
patent: 3522560 (1970-08-01), Hayany
patent: 4607242 (1986-08-01), Cozzie
patent: 4691179 (1987-09-01), Blum et al.

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