Dielectric waveguide device, phase shifter, high frequency switch, and attenuator provided with dielectric waveguide device, high frequency transmitter, high frequency receiver, high frequency transceiver, radar device, array antenna, and method of manufacturing dielectric waveguide device
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United States of America Patent
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Sep 6, 2011
Grant Date -
Jul 9, 2009
app pub date -
Mar 30, 2007
filing date -
Mar 31, 2006
priority date (Note) -
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Abstract
The invention relates to a small and low-voltage operable dielectric waveguide device. First and second electrode are embedded in a dielectric part and are formed to be thinner than a skin depth for a frequency of electromagnetic wave propagating along a first dielectric part included in the dielectric part. Thereby, even if the first and second electrodes are arranged to be in contact with the first dielectric part, the propagating electromagnetic wave can transmit the first and second electrodes, and therefore the electromagnetic wave can propagate without being cut off and there is no influence on waveguide modes of the electromagnetic wave. Further, in a state where a transmission loss due to the embedded of the electrode is suppressed, an electric field with large electric field strength can be applied to the first dielectric part by the first and second electrodes, and a small and low-voltage operable dielectric waveguide device can be achieved.
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