If you’d like to learn more about ultrasound transducers please see my posts:
A Resource For The Selection Of Ultrasound Imaging Probes
Posted on July 7, 2016 by Tom Wade MD
What Is A Single Crystal Ultrasound Transducer?
Posted on November 26, 2018 by Tom Wade MD
What follows are excerpts from the article, Ultrasound Transducers Dec 15 2018, from the Journal of Diagnostic Medical Sonography:
Coming tomorrow 11-27-2018