An ultraso motor with a stator uniformly made of a material that is capable of converting electrical energy to mechanical energy, by the performance of a specified process. The stator includes a first part having corresponding electrodes for applying a signal to the first part, and a second part, uniformly...http://www.google.com/patents/US5451827?utm_source=gb-gplus-sharePatent US5451827 - Ultrasonic motor having a supporting member
