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Piezoelectric element, piezoelectric module, and electronic device
专利权人:
セイコーエプソン株式会社
发明人:
松田 洋史
申请号:
JP2015213457
公开号:
JP6593104B2
申请日:
2015.10.29
申请国别(地区):
JP
年份:
2019
代理人:
摘要:
PROBLEM TO BE SOLVED: To provide a piezoelectric element which allows for easy impedance matching with an external circuit, and to provide a piezoelectric module and an electronic apparatus.SOLUTION: A receiving transducer 52 includes a flexible portion 412B, a piezoelectric film 424 provided in the flexible portion 412B, a plurality of first electrodes 422, 425 (body parts 422A, 425A) abutting against the piezoelectric film 424, and provided separately from each other in the thickness direction of the flexible portion 412B, and a plurality of second electrodes 423, 426 (body parts 423A, 426A) abutting against the piezoelectric film 424, separated for the plurality of first electrodes 422, 425 in the plan view from the thickness direction of the flexible portion 412B, and provided separately from each other in the thickness direction. The plurality of first electrodes 422, 425 are short-circuited, and the plurality of second electrodes 423, 426 are short-circuited.SELECTED DRAWING: Figure 8
来源网站:
中国工程科技知识中心
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