3. Electrical/mechanical conversion (ultrasonic generation and actuation)
3.1 General
Piezoelectric materials deform when subjected to an electric field, the so-called reverse piezoelectric effect. This phenomenon is the basis for various applications in the field of ultrasonic actuation and generation .
Today, piezoelectric actuators are used for :
precision positioning in local probe microscopes, atomic force microscopes and scanning tunneling microscopes;
in the automotive industry, for active suspension, headrest adjustment (Toyota)...
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Electrical/mechanical conversion (ultrasonic generation and actuation)
Electromechanical-electrical conversion (electrical transformer)
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