MicroPropulsion Corp (USA) - ultrasonic motors, piezoelectric transformers, miniature generators

Endrich (Germany) - Information about electromechanical components (ultrasonic motors).

CEDRAT RECHERCHE - UPA (France) - Ultrasonic Piezo Motors, Drives and Actuators

Cranfield University - Nanotechnology - piezoelectric materials and actuator design.

Comparison Ultrasonic Solid-State vs. Electromagnetic - (MIT)

Rotary Ultrasonic Motors Actuated By Traveling Flexural Waves - Shyh-Shiuh Lih, Yoseph Bar-Cohen, Jet Propulsion Laboratory, California Institute of Technology, Pasadena.

Phil Rayner's homepage - Piezomotors and micromotors that I have developed during my PhD at Cranfield University. New Flextensional low cost motor, travelling wave motors and 2mm diameter micromotors.

Ultrasonic Motors - Advanced Actuators activity of the JPL's NDEAA Group

Piezoelectric Motor - Institute of Microtechnology, University of Neuchâtel, Switzerland

Piezopump - The NDEAA's piezoelectric peristaltic pump Dr. Yoseph Bar-Cohen and Dr. Zensheu Chang, JPL, Section 354

Piezoelectric Motor - High Speed Piezoelectric Micropositioning Motor - Model PDA130 (EDO Ceramics)

Magsoft Corporation (USA) - Distribution and technical support of engineeringprograms,consulting, design and analysis, optimization, electric machines,motors,brushless motors, synchronous machines, induction machines, steppermotors,stepping motors, variable reluctance motors, generators,rotating and linear actuators, contactors, sensors, magnetic recording,magnetic sorting, magnetic bearings, power lines, shielding, radiatedfields,insulators, connectors, nondestructive testing, transformers, fuelinjectors,coils, electromagnets, transducers, sonars, lightning rods.

Brian Andersen, Piezomotor Research - Research in piezoelectric motors. Development of a spherical piezoelectric motor.

Surface Acoustic Wave Linear Motor - Article describing the principle, experiment and conclusions. Includes drawings, graphs and future reading .

Piezoelectric motors for nanoengineering and metrology - Nanotechnology Group, Advanced Materials Department

Institute of Piezomechanics (Kaunas, Lithuania) - Ultrasonic actuators and motors.

Ferroelectric Materials for Integrated Machines - MIT EECS Event Anita Flynn University of California, Berkeley