A Wearable Ultrasonic Neurostimulator - Part II: A 2D CMUT Phased Array System With a Flip-Chip Bonded ASIC. - Chunkyun Seok; Oluwafemi Joel Adelegan; Ali Önder Biliroglu; Feysel Yalcin Yamaner; Ömer Oralkan (IEEE Trans. Biomed. Circuits Syst., 2021)