US Patent 11910159 Laminated piezoelectric element and electroacoustic transducer
Patent 11910159 was granted and assigned to Fujifilm on February, 2024 by the United States Patent and Trademark Office.
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US Patent 11910159 Laminated piezoelectric element and electroacoustic transducer
Article
Patent abstract
An object is to provide a laminated piezoelectric element capable of preventing a short circuit between adjacent piezoelectric films and an electroacoustic transducer using the laminated piezoelectric element. The object is solved by laminating a plurality of layers of piezoelectric films polarized in a thickness direction, in which a piezoelectric layer is interposed between two thin film electrodes, and causing polarization directions of the adjacent piezoelectric films to be opposite to each other.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tetsu Miyoshi0
Date of Patent
February 20, 2024
0Patent Application Number
173141710
Date Filed
May 7, 2021
0Patent Citations
Patent Primary Examiner
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