Nowadays, researchers concentrated on the advancements of new types of
precision actuators to satisfy the increasing demand for high precision positioning
technology. Owing to fast response, high precision, and compact structure, the
piezoelectric actuators attracted much attention. In the advancement of science and
technology, the ceramics play a vital role. In this chapter, we mainly focussed on
applications of piezoelectric actuators in different fields such as nano metrology, and
industries. Even, the different advanced ceramics for piezoelectric actuators were
discussed.
Keywords: Acoustic actuators, Dielectric properties, Piezoelectric effect.