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US Patent 8712079 Piezoelectric speaker and method of manufacturing the same

Patent 8712079 was granted and assigned to Electronics and Telecommunications Research Institute on April, 2014 by the United States Patent and Trademark Office.

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Patent abstract

A piezoelectric speaker and a method of manufacturing the same that can obtain a high sound pressure using a piezoelectric thin film are provided. The piezoelectric speaker includes a piezoelectric thin film, electrodes formed on an upper surface or upper and lower surfaces of the piezoelectric thin film, a damping material layer formed on the lower surface of the piezoelectric thin film, and a frame attached around at least one of the piezoelectric thin film and the damping material layer using an adhesive.

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