Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference (한국전기전자재료학회:학술대회논문집)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Fabrication and Acoustic Characteristics of the Piezoeletric Acoustic Transducer

압전형 음향변환기의 제작과 음향특성

  • 김현철 (영남대학교 대학원 센서 및 시스템공학과) ;
  • 고영준 (영남대학교 대학원 센서 및 시스템공학과) ;
  • 남효덕 (영남대학교 전기전자공학부) ;
  • 장호경 (경산대학교 자연과학부)
  • Published : 2000.11.01
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Abstract

In this study, the physical properties of the acoustic element and case with metal-piezoelectric ceramics were analyzed. The dielectric and piezoelectric properties of 0.5 wt% MnO$_2$ and NiO doped 0.1Pb(Mg$_{1}$3/Nb$_{2}$3/)O$_3$-0.45PbTiO$_3$-0.45PbZrO$_3$ceramics were investigated aiming at acoustic transducer applications. The vibration characteristics for the laminated circular plate was analyzed for the various thickness and diameter of the piezoceramic layer and metal layer. Also, the acoustic characteristics for the geometrical form of case have been investigated. The design and fabrication method worked in this paper can be utilized in development of actuator and acoustic device.

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