Transactions on Electrical and Electronic Materials

  • 제13권4호
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  • Pages.181-184
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  • 2012
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  • 1229-7607(pISSN)
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  • 2092-7592(eISSN)
한국전기전자재료학회 (The Korean Institute of Electrical and Electronic Material Engineers)
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Control of Connectivity of Ni Electrode with Heating Rates During Sintering and Electrical Properties in BaTiO3 Based Multilayer Ceramic Capacitors

  • Yoon, J.R. (R&D Center, SAMWHA CAPACITOR CO. Ltd.) ;
  • Shin, D.S. (R&D Center, SAMWHA CAPACITOR CO. Ltd.) ;
  • Jeong, D.Y. (Department of Materials Engineering, Inha University) ;
  • Lee, H.Y. (Department of Electric Engineering, MyoungJi University)
  • 투고 : 2012.02.22
  • 심사 : 2012.05.29
  • 발행 : 2012.08.25
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초록

$BaTiO_3$ based multilayer ceramic capacitors with Ni electrodes can be explained as 2-2 composites with different thermal expansion coefficient and sintering behaviors. To achieve the high capacitance and reliability of MLCCs, a homogenous Ni electrode configuration with high connectivity is required. We controlled the heating rates during sintering to achieve densification by suppressing grain growth. Experimental results revealed that a large heating rate gave high connectivity of Ni electrode, high capacitance, small dissipation factor, high breakdown voltage, and high reliability of MLCC chips.

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참고문헌

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