Focusing PVDF transducers for acoustic microscopy

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1995 English Publisher:Informa UK LimitedJournal:Research in Nondestructive Evaluation, volume 7, pages 195-201 (issn: 0934-9847, eissn: 1432-2110,

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Authors: S. Smolorz; W. Grill;

doi: 10.1007/bf01606387 , 10.1080/09349849508968230 , 10.1080/09349849609409578

Focusing PVDF transducers for acoustic microscopy

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Abstract

A focusing transducer based on a 9-µm thick PVDF foil was fabricated and tested for performance. The transducer operates in the frequency range of 20–160 MHz. For operation at 78 MHz in water, a lateral resolution of 27.5 µm and a vertical resolution of 35 µm have been observed. Acoustic images of a transistor have been obtained with the focusing PVDF transducer.

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