A high-frequency beamformer design based on variable PMN-PT SAW delays

Abstract

A high-frequency ultrasound beamformer based on 70Pb(Mg<inf>⅓</inf>Nb<inf>⅔</inf>)O<inf>3</inf>–0.30PbTiO<inf>3</inf> (PMN-30%PT) single crystal has been designed. The beamformer delays are created using surface acoustic wave (SAW) delay lines, which can be dynamically tuned using the elongation and compression of the bulk PMN-PT substrate between the send… (More)

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