Ultrasonic Vibrating Mesh Transducer  
This ultrasonic transducer is for mini humidifier and USB humidifier. It consists of a rectangular piezoelectric ceramic plate and a rectangular mesh membrane with um's tiny conic holes on it, ant they are joined together. It is the most vital component for ultrasonic vibrating mesh technology. With the ultrasonic vibrating mesh technology, our mini humidifiers and music humidifier can be such small, smart, low-power-consumed and effective.  
size of piezoelectric ceramic:   18.2mm*13mm*1.0mm 
size of alloy mesh:     20mm*18mm*0.06mm  
Frequency=131khz 
R0<2ohm  
Cp=3000p  
Kp>55%  
Qm>800  
Tan delta <0.5%