Surface-wave waveguide with conductive sidewalls and application in antennas
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United States of America Patent
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Dec 5, 2017
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app pub date -
Aug 1, 2014
filing date -
Aug 1, 2014
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Abstract
A surface-wave waveguide may include a base conductive ground plane including opposite side edges and a pair of conductive side walls. One conductive side wall extends from each side edge of the conductive ground plane. The surface-wave waveguide may also include a substrate including a dielectric material disposed on the base conductive ground plane and between the conductive side walls. The surface-wave waveguide may also include an impedance sheet disposed on the substrate and between the conductive side walls. The impedance sheet may include a predetermined impedance characteristic for transmitting an electromagnetic wave.
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