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Registered PIEZOELECTRIC SPEAKER AND METHOD OF MANUFACTURING THE SAME

압전형 스피커 및 이의 제작방법
이미지 확대
Inventors
Hye Jin Kim, Lee Sung Q, Shin Mincheol, Kang-Ho Park, Kim Jongdae
Application No.
12507364 (2009.07.22)
Publication No.
20100158283 (2010.06.24)
Registration No.
8712079 (2014.04.29)
Country
UNITED STATES
Project Code
08MB1800, Components/Module technology for Ubiquitous Terminals, Kim Jongdae
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.
KSP Keywords
Damping material, Piezoelectric speaker, Piezoelectric thin film, Sound pressure, thin film(TF)