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Growth of Pb[(Zn1/3Nb2/3)0.91Tio.09]03 Single Crystal of Ultrasonic Transducer for Medical Application

Toshiba Corporation, Corporate Research & Development Center, Power Supply Materials and Devices Laboratories, I Komukai Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japankoichil.haradagtoshiba.co jp

S. Shimanuki

T. Kobayashi

S. Saitoh

Y. Yamashita

Toshiba Corporation, Corporate Research & Development Center, Power Supply Materials and Devices Laboratories, I Komukai Toshiba-cho, Saiwai-ku, Kawasaki 212-8582, Japan

Single crystals of Pb[(Znl/₃Nb₂/₃)0o₉₁Tio₀₀₉]0₃ (PZNT 91/9) were grown by the Solution Bridgman method using a PbO-based flux. The crystals were about 40 m min diameter X 25 mm in size and had a light brown color. The properties of these single crystals satisfy the requirements for array-type transducers in echocardio-graphs, a type of medical diagnostic equipment. Compared with other piezoelectric materials, PZNT 91/9 is a superior piezoelectric material for ultrasonic diagnostic cardiac probes.

Journal of Intelligent Material Systems and Structures, Vol. 10, No. 6, 493-497 (1999)
DOI: 10.1106/UQ35-HFYR-PCX9-BPJL


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