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In this paper, we present new results on the development of piezoelectric transducers based on periodically poled ferroelectric domains on lithium niobate. The fabrication of test devices operating in the range 17-665 MHz has been achieved on 3" 500 mum thick wafers. These devices have been bonded on silicon and lapped down to a few tens of microns. Guided elliptic as well as partially guided...
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