医用超声换能器用压电材料要求

ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics Pub Date : 1996-08-18 DOI:10.1109/ISAF.1996.598040

Dave Walla, Jie Chen, R. T., Gururaja, Hewlett Packard

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引用次数: 13

摘要

尽管在过去的20多年里材料得到了广泛的发展，但锆钛酸铅(PZT)基陶瓷仍然是许多医疗成像应用超声波换能器的首选材料。本文的目的是回顾在为商业换能器产品选择压电材料时所面临的问题。材料选择范围从上述PZT家族，到其他陶瓷，如钛酸钡，改性钛酸铅，偏铌酸铅，铌酸铅镁(PMN)基弛豫剂组合物，以及多种陶瓷/聚合物复合材料类型。压电共聚物是另一种可能性。

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Requirements of piezoelectric materials for medical ultrasound transducers

Despite extensive materials development in the past 20+ years, lead zirconate titanate (PZT) based ceramics remain the material of choice in many ultrasonic transducers for medical imaging applications. The intent of this paper is to review the issues faced when choosing a piezoelectric material for a commercial transducer product. Material choices range from the aforementioned PZT family, to other ceramics such as barium titanate, modified lead titanate, lead metaniobate, lead magnesium niobate (PMN) based relaxor compositions, as well as a multitude of ceramic/polymer composite types. Piezoelectric copolymers are yet another possibility.

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ISAF '96. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics

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