Invention Grant
- Patent Title: Sonic transducer having a piezoelectric diaphragm on a frame
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Application No.: US15865139Application Date: 2018-01-08
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Publication No.: US10821476B2Publication Date: 2020-11-03
- Inventor: Benjamin Eovino , Liwei Lin , Sina Akhbari
- Applicant: The Regents of the University of California
- Applicant Address: US CA Oakland
- Assignee: The Regents of the University of California
- Current Assignee: The Regents of the University of California
- Current Assignee Address: US CA Oakland
- Agency: Gavrilovich, Dodd & Lindsey LLP
- Main IPC: H01L41/09
- IPC: H01L41/09 ; B06B1/06 ; G01N29/24 ; H01L41/332
Abstract:
A device includes a piezoelectric diaphragm positioned on a frame. A fixed portion of the diaphragm is fixed relative to the frame and an active portion of the diaphragm is not fixed relative to the frame. The active portion of the diaphragm surrounds the fixed portion of the diaphragm and/or has a boundary with a concave shape.
Public/Granted literature
- US20180207682A1 SONIC TRANSDUCER HAVING A PIEZOELECTRIC DIAPHRAGM ON A FRAME Public/Granted day:2018-07-26
Information query
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