发明名称 |
Acoustic sensor using curved piezoelectric film |
摘要 |
An acoustic sensor device comprising a substrate having a first surface and a second surface opposite the first surface, and an aperture formed therethrough, the second surface having a curved portion; a layer of piezoelectric film having a first surface disposed on the curved portion of the substrate second surface; and a layer of pliable material disposed on a second surface of the piezoelectric film opposite the first surface for contacting with an object to be sensed.
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申请公布号 |
US6937736(B2) |
申请公布日期 |
2005.08.30 |
申请号 |
US20020212557 |
申请日期 |
2002.08.05 |
申请人 |
MEASUREMENT SPECIALTIES, INC. |
发明人 |
TODA MINORU |
分类号 |
A61B7/04;(IPC1-7):H04R25/00 |
主分类号 |
A61B7/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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