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A 2.6 MHz phased array ultrasonic probe using 0.67Pb(Mg13/Nb23/)O3-0.33PbTiO3 single crystal grown by the Bridgman method

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4 Author(s)
Sung Min Rhim ; iBULe Humanscan Co Ltd, Ansan, South Korea ; Ho Jung ; Seduk Kim ; Sang-Goo Lee

The performance of 64channel 2.6 MHz phased array ultrasonic probe using 0.67Pb(Mg13/ Nb23/)O3-0.33PbTiO3 single crystal was investigated. The fabrication process was modified as the mechanical and electrical properties difference between PMN-PT single crystal and conventional PZT. The sensitivity of the PMN-PT single crystal probe is about 6 dB higher than that of the conventional PZT probe, and the -6 dB bandwidth is about 30 % broader. The sensitivity variation of PMN-PT probe was within ±2.0 dB. The performance of PMN/PT probe with higher sensitivity was better than that of PZT probe in harmonic image. And the color Doppler of PMN-PT probe is superior than that of PZT probe. The PMN-PT single crystal provides improvement in the sensitivity and bandwidth.

Published in:

Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE  (Volume:2 )

Date of Conference:

8-11 Oct. 2002