High Frequency Piezo-Composite Micromachined Ultrasound Transducer Array Technology for Biomedical Imaging
2. Piezoelectric Materials for High Frequency Ultrasound Transducers
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The most crucial component in an ultrasound transducer is a piezoelectric element in the form of a plate, disc, bar, or a beam. There are various of piezoelectric materials available to choose from when designing a single element or array transducer. The selection criteria can be determined by the piezoelectric, dielectric and elastic properties of these materials.