| 发明名称 |
SWITCHING DEVICE AND TESTING APPARATUS |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an actuator which is provided with rigidity so that contacts are not agglutinated to each other. <P>SOLUTION: A switching device includes a contact part in which a first contact is provided, and the actuator which moves a second contact to come into contact with or to be separated from the first contact. The actuator includes: a laminated first piezoelectric film and second piezoelectric film; a first insulating layer provided on the surface side opposite to the second piezoelectric film in the piezoelectric film; and a second insulating layer provided on the surface side opposite to the first piezoelectric film in the second piezoelectric film. <P>COPYRIGHT: (C)2012,JPO&INPIT |
| 申请公布号 |
JP2012146592(A) |
申请公布日期 |
2012.08.02 |
| 申请号 |
JP20110005653 |
申请日期 |
2011.01.14 |
| 申请人 |
ADVANTEST CORP |
发明人 |
HORI HISAO;ABE SACHIKAZU;SATO YOSHIHIRO |
| 分类号 |
H01H57/00;B81B3/00;G01R31/28;H01L41/09;H01L41/187 |
主分类号 |
H01H57/00 |
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