US Patent 6937736 Acoustic sensor using curved piezoelectric film
Patent 6937736 was granted and assigned to Measurement Specialties on August, 2005 by the United States Patent and Trademark Office.
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Patent abstract
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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Patent Inventor Names
Minoru Toda0
Date of Patent
August 30, 2005
0Patent Application Number
102125570
Date Filed
August 5, 2002
0Patent Primary Examiner
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US Patent 6937736 Acoustic sensor using curved piezoelectric film
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