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发明名称
圧電駆動装置及びロボット
摘要
【課題】圧電駆動装置が被駆動部材を駆動する駆動特性の変動を抑制する。【解決手段】発明の圧電駆動装置は、被駆動部材を駆動する複数の圧電振動部を備え、複数の圧電振動部のそれぞれの共振周波数のうち、最大の共振周波数と最小の共振周波数との差は、複数の圧電振動部の平均共振周波数の0.001%以上5%以下の範囲内である。【選択図】図5
申请公布号
JP2017017970(A)
申请公布日期
2017.01.19
申请号
JP20150135776
申请日期
2015.07.07
申请人
セイコーエプソン株式会社
发明人
宮澤 修
分类号
H02N2/00;H01L41/09;H01L41/187
主分类号
H02N2/00
代理机构
代理人
主权项
地址
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