1. Polysilicon micro vibromotors;Lee,1992
2. Ferroelectric thin film ultrasonic micromotors;Udayakumar,1991
3. Microfabricated actuator with moving permanent magnet;Wagner,1991
4. Linear and rotational magnetic micromotors fabricated using silicon technology;Wagner,1992
5. A first functional current excited planar rotational magnetic micromotor;Guckel,1993