Electrostrictive devices
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United States of America Patent
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Issued Date -
Mar 22, 2007
app pub date -
Aug 23, 2006
filing date -
Aug 26, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A radio frequency (RF) device includes first and second electrodes and a polar dielectric made from a material having electrostrictive properties between the first and second electrodes. The polar dielectric and the first and second electrodes collectively form an active device having an operational frequency band. The RF device also includes one or more layers that affect the acoustic properties of the RF device such that the RF device absorbs RF energy at a frequency that is within the operational frequency band, whereby the RF device is an active device because the RF energy is absorbed at a frequency within the operational frequency band.
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