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Translation phase Indoor crane.3ds
Indoor crane.bak
Indoor crane.dxf
Indoo
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mechanical(기계적 물성), optical properties(광학적 물성)등이 변화함을 이용.
Piezoelectric effect (압전성) :
인가된 전장 ↔ crystal dimension
↓
전기적 에너지 ↔ 기계적 에너지
ex) PZT (PbTiO3-PbZrO3 고용체) ; speaker, microphone, sonar transducer, ultrasonic cleaner,
actua
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