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公开(公告)号:US11841342B2
公开(公告)日:2023-12-12
申请号:US17891742
申请日:2022-08-19
发明人: Junhao Li , Yanfeng Song , Zhaoyu Zhang
CPC分类号: G01N29/09 , G01N29/041 , G01N29/2437 , G01N2291/018 , G01N2291/023
摘要: The present disclosure discloses a shear-type vibration-ultrasonic composite sensor and a measuring device. In the shear-type vibration-ultrasonic composite sensor, a metal matching layer includes an insulating layer arranged on a lower surface and a supporting pillar arranged on an upper surface, the metal matching layer is in contact with a to-be-detected object via the insulating layer, a first negative electrode face of a first normal piezoelectric element is attached to one side of the metal matching layer, a first positive electrode face of the first normal piezoelectric element is attached to a second positive electrode face of a second normal piezoelectric element, a second negative electrode face is attached to a first surface of a backing block, and a second surface of the backing block is provided with a metal housing.