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    • 7. 发明公开
    • APPARATUS AND METHOD FOR DETECTING A ROTATION
    • 用于检测旋转的装置和方法
    • EP2035776A1
    • 2009-03-18
    • EP07724834.2
    • 2007-05-03
    • Infineon Technologies AG
    • AIGNER, Robert
    • G01C19/56
    • G01C19/5698
    • A rotation sensor has a substrate (112) with a first surface (114) and a second surface (116). A shear-wave transparent mirror (106) is arranged on the first surface (114) of the substrate (112), and a shear-wave isolator (104) is arranged above the shear-wave transparent mirror (106), the shear-wave transparent mirror (106) and the shear-wave isolator (104) being arranged separated from each other to define a Coriolis zone (124) there between. A bulk-acoustic-wave resonator (102) is arranged above the shear-wave isolator (104), and a shear-wave detector (108) is arranged on the substrate (112) in a direction, in which a shear-wave (128) generated by the bulk-acoustic-wave resonator (102) upon rotation propagates.
    • 旋转传感器具有具有第一表面(114)和第二表面(116)的衬底(112)。 在基板(112)的第一表面(114)上设置有剪切波透镜(106),在剪切波透镜(106)的上方设置有剪切波隔离器(104) (106)和剪切波隔离器(104)彼此分开布置以在其间限定科里奥利区(124)。 在剪切波隔离器(104)的上方配置体声波谐振器(102),在该基板(112)上,在剪切波((104))的方向上配置剪切波检测器(108) 128)在旋转传播时由体声波谐振器(102)产生。