DocumentCode
2926286
Title
Piezoelectric micro-actuators for RF-MEMS switches
Author
Kanno, Isaku ; Endo, Hironobu ; Suzuki, Takaaki ; Kotera, Hidetoshi
Author_Institution
Kyoto University, Japan
fYear
2005
fDate
30-02 Aug. 2005
Firstpage
1380
Lastpage
1381
Abstract
We have developed piezoelectric micro-actuators for the application of low-voltage RF-MEMS switches. The micro-cantilevers are composed of piezoelectric PZT thin films deposited on Pt/Ti/Si substrates by rf-magnetron sputtering. The PZT thin films are microfabricated into a unimorph cantilever with the length of 500 μm and the width of 85 μm. We could obtain large tip deflection of 1.0 μm even at the voltage of 5.0V. This result suggests that the low-voltage RF-MEMS switches are expected to be realiezed using piezoelectric PZT thin film actuators.
Keywords
Chromium; Microactuators; Microswitches; Piezoelectric films; Radiofrequency microelectromechanical systems; Semiconductor films; Sputtering; Substrates; Switches; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics, 2005. CLEO/Pacific Rim 2005. Pacific Rim Conference on
Print_ISBN
0-7803-9242-6
Type
conf
DOI
10.1109/CLEOPR.2005.1569744
Filename
1569744
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