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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A Study of Optimum Electromagnetic Field Analysis and Application of the Electret Sensor Using Computer Simulation

컴퓨터 시뮬레이션에 의한 일렉트렛트 센서의 최적 전계 해석과 응용

  • 정동회 (광운대학교 전기공학과) ;
  • 김상걸 (광운대학교 전기공학과) ;
  • 김성렬 (광운대학교 전기공학과) ;
  • 김용주 (충주산업대학교 전기공학과) ;
  • 김영천 (서울산업대학교 전기공학과) ;
  • 이준웅 (광운대학교 전기공학과)
  • Published : 1998.06.01
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Abstract

In this paper, Electret is formed to range voltage -5[kV] to -8[kV] by corona charging in PTFE film and sensor is manufactured by method of moments in sensing infra sonic. Charges of charged film are calculated also TSC measurement and induced potential of sensing electrode according to the charges is become aware of computer simulation. Electret Infra Sonic Transducer, which is designed and manufactured according to the potential and electric field simulation in using method of moments, is proved as it is effectively. Because sensitivity that measured under 10[Hz] is that average value of sensitivity rising rate is 6.34 [dB/oct] as average value is $\pm$1 [dB/oct] range -5[kV] to -8[kV] in corona charging film. As a result, it is believed that characteristic of acquired transducer can be application of medical treatment, industry, and animal life researches and the study of noise elimination, what's more, is required.

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