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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.