FLAT ANTENNA GROUND PLANE SUPPORTING BODY INCLUDING QUARTER-WAVE TRAPS
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United States of America Patent
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N/A
Issued Date -
Mar 25, 2010
app pub date -
Nov 7, 2007
filing date -
Nov 8, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An flat antenna ground plane supporting body including a longitudinal channel defining a waveguide for the antenna and two rectangular grooves which extend along the length of the channel and which are arranged on either side of the channel so as to define a double quarter-wave trap. The part of the body between the channel and each groove is machined such that when the ground plane is mounted on the body, the part of the body is separated from the ground plane by an air cushion of a controlled dimension (b). The invention also relates to a flat antenna including a substrate, a substrate-supporting ground plane and a body as described above, to which the ground plane is applied or secured.
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