| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a highly durable piezoelectric actuator and a liquid discharger which can hardly cause depolarization. <P>SOLUTION: The piezoelectric actuator has a plurality of displacement elements 5 and 57 on a vibrating plate. A heat radiation member 13 is provided to at least a part of the vibrating plates 3 and 55. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
