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MOEMS静电旋转结构的Pull-in现象分析 被引量:7

Pull-in phenomena analysis of MOEM Selectrostatic rotation structure
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摘要 对MOEMS静电旋转结构的Pull鄄in(吸合)现象进行了理论分析,重点研究了平板电极旋转结构和摆动梳齿旋转结构。摆动梳齿旋转结构不出现Pull鄄in现象的原因是电容变化率为恒值;平板电极旋转结构在电极旋转过程中电容变化率持续增大是Pull鄄in现象出现的根本原因,设计平板电极旋转驱动器时,如果需要得到较大的稳态旋转角度,可以通过合适的结构参数减小电容变化率的变化速率。 The Pull-in phenomena of MOEMS electrostatic rotation structures are discussed,focus on the parallel-plate rotation structure and staggered-comb rotation structure. Pull-in phenomena do not occur in the staggered-comb rotation structure,because the gradient of capacitance is changeless. The reason of Pull-in phenomenon of parallel-plate rotation structure is that the gradient of capacitance increases with the rotation angle. Designing parallel-plate rotation actuator,the rate of gradient of capacitance should be decreased in order to obtain a large rotation angle.
机构地区 北京邮电大学
出处 《微纳电子技术》 CAS 2004年第11期28-31,38,共5页 Micronanoelectronic Technology
基金 国家高技术研究发展计划(863计划)课题(2003AA404018) 教育部优秀青年教师资助计划项目(教人司2002 350)
关键词 旋转结构 MOEMS 小电容 变化率 静电 电极 驱动器 平板 现象分析 稳态 MOEMS rotation-actuator parallel-plate staggered-comb Pull-in
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参考文献10

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