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Chen R.,University of Southern California | Wu J.,Shantou Institute of Ultrasonic Instruments Co. SIUI | Lam K.H.,University of Southern California | Yao L.,Shantou Institute of Ultrasonic Instruments Co. SIUI | And 4 more authors.
IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control

In this paper, low-frequency 32-element lineararray ultrasonic transducers were designed and fabricated using both ternary Pb(In1/2Nb 1/2)-Pb(Mg1/3Nb2/3)-PbTiO3 (PIN-PMN-PT) and binary Pb(Mg1/3Nb2/3)-PbTiO3 (PMNPT) single crystals. Performance of the array transducers was characterized as a function of temperature ranging from room temperature to 160°C. It was found that the array transducers fabricated using the PIN-PMN-PT single crystal were capable of satisfactory performance at 160°C, having a-6-dB bandwidth of 66% and an insertion loss of 37 dB. The results suggest that the potential of PIN-PMN-PT linear-array ultrasonic transducers for higherature ultrasonic transducer applications is promising. © 2012 IEEE. Source

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