Model Of A Pvdf Piezoelectric Transducer For Use In Biomedical Studies

Sidney B. Lang; Bruce D. Sollish; Motti Moshitzky; Ephraim H. Frei

doi:10.1080/00150198008238657

Model Of A Pvdf Piezoelectric Transducer For Use In Biomedical Studies

Sidney B. Lang, Bruce D. Sollish, Motti Moshitzky, Ephraim H. Frei

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A model is developed for a piezoelectric palpation device, consistina of an array of PVDF sensors which are pressed with a uniform stress against a soft biological tissue containing embedded hardened regions. The elastic and piezoelectric equations were solved for the cases of both cylindrical and spherical inclusions. Computer calculations were made for the piezoelectric voltage response and the voltages appeared to be well within the range of possible experimental measurement. A simple analysis of the response curves permits the calculation of the ratio of depth to diameter of the hardened regions, suggesting that the device may have significant biomedical utility.

Original language	English
Pages (from-to)	289-292
Number of pages	4
Journal	Ferroelectrics
Volume	24
Issue number	1
DOIs	https://doi.org/10.1080/00150198008238657
State	Published - 1 Jan 1980

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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abstract = "A model is developed for a piezoelectric palpation device, consistina of an array of PVDF sensors which are pressed with a uniform stress against a soft biological tissue containing embedded hardened regions. The elastic and piezoelectric equations were solved for the cases of both cylindrical and spherical inclusions. Computer calculations were made for the piezoelectric voltage response and the voltages appeared to be well within the range of possible experimental measurement. A simple analysis of the response curves permits the calculation of the ratio of depth to diameter of the hardened regions, suggesting that the device may have significant biomedical utility.",

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N2 - A model is developed for a piezoelectric palpation device, consistina of an array of PVDF sensors which are pressed with a uniform stress against a soft biological tissue containing embedded hardened regions. The elastic and piezoelectric equations were solved for the cases of both cylindrical and spherical inclusions. Computer calculations were made for the piezoelectric voltage response and the voltages appeared to be well within the range of possible experimental measurement. A simple analysis of the response curves permits the calculation of the ratio of depth to diameter of the hardened regions, suggesting that the device may have significant biomedical utility.

AB - A model is developed for a piezoelectric palpation device, consistina of an array of PVDF sensors which are pressed with a uniform stress against a soft biological tissue containing embedded hardened regions. The elastic and piezoelectric equations were solved for the cases of both cylindrical and spherical inclusions. Computer calculations were made for the piezoelectric voltage response and the voltages appeared to be well within the range of possible experimental measurement. A simple analysis of the response curves permits the calculation of the ratio of depth to diameter of the hardened regions, suggesting that the device may have significant biomedical utility.

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Model Of A Pvdf Piezoelectric Transducer For Use In Biomedical Studies

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