| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an actuator device comprising a piezoelectric actuator having a body, a shroud which enshrouds at least part of the body of the actuator, and at least one constrictive member disposed externally with respect to the shroud. <P>SOLUTION: The constrictive member applies a constrictive force to the shroud to maintain a seal between the shroud and the underlying body of the actuator. <P>COPYRIGHT: (C)2007,JPO&INPIT |
