標題: Complementary Metal-Oxide-Semiconductor Micro-Electro-Mechanical-System Reconfigurable Cantilever Resonator with Multiple Electrostatic Electrodes
作者: Shieh, Li-Jung
Chiou, Jin-Chern
電機工程學系
電控工程研究所
Department of Electrical and Computer Engineering
Institute of Electrical and Control Engineering
公開日期: 1-Nov-2010
摘要: In this paper we present a prestress vertical comb drive resonator with a frequency tuning capability The resonator consists of three sets of comb fingers which act-as driving electrodes The comb fingers are fabricated along with a composite beam One end of the composite beam is clamped to the anchor whereas the other end is elevated vertically by the residual stress A clamped force which is formed by a DC voltage is utilized to restrain the vibration of the composite beam By applying a DC clamped voltage and a driving voltage in different electrodes the resonator exhibits different frequency responses The device is fabricated through a 0 35 mu m complementary metal-oxide-semiconductor (CMOS) process with a post CMOS micromachining process Experimental results indicate that the initial resonant frequency of The device is 18 6 kHz and the maximum frequency tuning range up to 28 5% is obtained The resonator device can recover its original frequency without causing any structural damage (C) 2010 The Japan Society of Applied Physics
URI: http://dx.doi.org/10.1143/JJAP.49.116501
http://hdl.handle.net/11536/32007
ISSN: 0021-4922
DOI: 10.1143/JJAP.49.116501
期刊: JAPANESE JOURNAL OF APPLIED PHYSICS
Volume: 49
Issue: 11
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