If you have young children and pets, dealing with an insect or rodent infestation without a good ultrasonic pest repeller can be a hassle—and possibly even dangerous. Noxious poisons and traps ...

College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310023, China Institute of Laser Advanced Manufacturing, Zhejiang University of Technology, Hangzhou 310023, China ...

ANSYS(TM) FEM: #multiphysics #simulation of #MEMS-sensors based on #silicon with #piezoelectric thin-film layers and etched #quartz crystals ...

This article proposes a design method for a highly sensitive ultrasonic sensor based on piezoelectric bending vibration. First, based on the full-element rectangular thin plate theory, the resonant ...

Abstract: This article delves into the enhancement of dynamic performance in piezoelectric micromachined ultrasonic transducers (PMUTs) under forced vibration in pulse-wave mode, with an emphasis on ...

Cheap ultrasonic scaler. The blue disk is for adjusting power. Foot switch not shown. I originally started thinking about an ultrasonic knife to make removing supports from SLA 3D prints easier.