The vibration modes and frequencies of a free piezoelectricceramicplate, an electro-sound combination transducer, an ultrasonic cleaner of 600W.
对自由压电陶瓷片，组合电声换能器。 600W的超声清洗器。
2
Based on the equivalent elasticity method, the plane coupling vibration of a rectangular piezoelectricceramicplate was studied and the resonant frequency equation was derived out.