The Piezoelectrc properties of (Na,K)$NbO_3$ -system Pb-free Piezoelectric Ceramics with $Bi_2O_3$ Addition
($Bi_2O_3$ 첨가에 따른 (Na,K,Li)$NbO_3$ 계 무연 압전 세라믹스의 압전특성)
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- Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
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- 2005.11a
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- pp.216-217
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- 2005