Title:
Piezo-On-Diamond Resonators And Resonator Systems
Piezo-On-Diamond Resonators And Resonator Systems
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Abstract
Disclosed are piezoelectrically-transduced micromachined bulk acoustic resonators fabricated on a polycrystalline diamond film deposited on a carrier substrate. Exemplary resonators comprise a substrate having a smooth diamond layer disposed thereon. A piezoelectric layer is disposed on the diamond layer and top and bottom electrodes sandwich the piezoelectric layer. The resonant structure comprising the diamond layer, piezoelectric layer and electrodes are released from the substrate and are free to vibrate. Additionally, one or more sensing platforms may be coupled to the substrate to form a mass sensor.
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10/12/2010
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Patent