Flat plate antenna
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United States of America Patent
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-
Mar 19, 2002
Grant Date -
N/A
app pub date -
Apr 27, 2000
filing date -
Apr 27, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a microwave flat plate or planar antenna, and a method of manufacturing the same. As the frequency of operation increases, traditional methods of manufacturing these antennas are becoming increasingly impractical. The present invention provides an antenna tri-plate structure comprising, a first dielectric layer carrying a plurality of radiating elements, a second and third dielectric layer each comprising a metallised surface having a plurality of apertures corresponding to said radiating elements, a number of dielectrics spacers formed with said second and third dielectric layers, each said spacer being located between a said aperture and a said radiating element to maintain said layers apart.
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