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The general operation of a piezoelectric ultrasonic resonant actuator is to convert the cyclic motion of the piezoelectric plate to a linear motion at the rotor or slider. The conventional piezoelectric ultrasonic actuator has only one stator tip to impart both the contact (normal) and driving (tangential) force on the rotor or slider. Since the rotor/slider is driven through friction, the only one...
The general operation of a piezoelectric ultrasonic actuator is to convert the cyclic motion of the piezoelectric plate to a linear motion at the rotor or slider. The conventional piezoelectric ultrasonic actuator has two symmetric exciter electrodes on the front surface and each electrode covers one half of the front surface. The rear surface has only one electrode that severs as a common drain....
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