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US 2014/0198004 A1Published application
Filter antenna
AssigneeCubic Corporation
InventorsWayne Edward Richards, Nathan Labadie
Life of this patent
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Abstract
A multi-pole filter antenna may include aperture-coupled non-dominant mode cavity resonators, and an aperture-coupled dominant mode patch antenna. The filter antenna may be implemented in a multilayer printed circuit board or similar structure. The filter antenna may for example operate in the Ku-Band, the Ka-Band, the C-Band, or another band.
Claims20
A substrate integrated filter antenna, comprising:
- a cylindrical cavity resonator integrated with a substrate that supports two orthogonal modes;
- a thin film with an annular iris aperture integrated with the substrate and in series with the cylindrical cavity resonator;
- and
- a circular microstrip patch antenna integrated with the substrate and in series with the annular iris aperture.
1 more element
A method for fabricating a substrate integrated filter antenna, comprising:
- forming a stack within a substrate that includes a cylindrical cavity resonator that supports at least two orthogonal modes, a thin film with an annular iris aperture in series with the cylindrical cavity resonator, and a circular microstrip patch antenna in series with the annular iris coupling aperture.
A digitally beam-formed antenna array, comprising:
- a plurality of filter antenna elements each including a cylindrical cavity resonator integrated with a particular substrate, a metallic thin film with an annular iris aperture integrated with the particular substrate and in series with the cylindrical cavity resonator, and a circular microstrip patch antenna integrated within the particular substrate and in series with the annular iris aperture.
Dependencies are inferred from the claim text.