Ultrasonic Piezo Transducers: From Welding to Medical ...
Ultrasonic appliions can be classified in sensor appliions and power ultrasound where the energy densities are higher and frequencies range from 20 to 800 kHz. Power ultrasound can be used in medical appliions, to crush kidney stones and for removing dental plaque, and industrial processes, such as cleaning and welding or bonding.