See also:

• Science: Technology: Acoustics, Ultrasound and Vibration: Ultrasound: Companies: Piezomaterials Manufacturers  (39)

Introduction to Bending Elements: - Piezo Systems Corp.

Piezo Theory: - Discusses the historic background, piezoelectric constants, soft versus hard ceramics, behavior of elements, resonance frequencies, applications, new materials and applications.

Recommended Reading about Piezoelectricity: - PIEZO SYSTEMS, INC.

Smart Material, Corp. (Germany): - Advanced piezoelectric Materials and Component.

Theory and Applications of Piezo Ceramic Actuators and PZT NanoPositioning Systems: - Physikinstrumente (Germany) - very good information about piezo actuators and positioning systems.