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Piezoelectric Materials for Imaging

Department of Biomedical Engineering, Boston University, Boston, Massachusetts USA (T.L.S.); and School of Biomedical Engineering, Science, and Health Systems, Drexel University, Philadelphia, Pennsylvania USA (P.A.L.).

Address correspondence to Thomas L. Szabo, PhD, Department of Biomedical Engineering, Boston University, 44 Cummington St, Boston, MA 02215 USA., E-mail: tlszabo{at}bu.edu

Abstract

The purpose of this article is to present the reader with a brief description of those characteristics of piezoelectric materials that directly influence imaging.

Key Words: array • imaging • piezoelectric • transducer • ultrasound

Abbreviations: BW, bandwidth • LiNbO₃, lithium niobate • MR, megaRayls • PMN-PT, lead magnesium niobate-lead titanate • PSMNZT, lead scandium niobate-lead magnesium niobate-poly(2,6)-naphthalene naphthalate-lead strontium zirconium titanate • PVDF, polyvinylidene difluoride • PZT, lead zirconate titanate • TF, transmission factor