Abstract: The piezoelectric micromachined ultrasonic transducers (PMUT) are based on the flexural movement of thin membranes ... and the characterization of Aluminum Nitride (AlN)-based PMUT arrays, ...

But after a couple of years of work, xMEMS has arrived at the next generation — ultrasound through a solid-state speaker. This tiny, 1mm-thin speaker is called Cypress, and after listening to it ...

Abstract: Precise measurement of the blood flow velocity in major arteries is important for the assessment of circulation dysfunction but challenging when using a one-dimensional (1D) ultrasound ...