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WO2008123320A1 - 誘電体磁器および積層セラミックコンデンサ - Google Patents

誘電体磁器および積層セラミックコンデンサ Download PDF

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Publication number
WO2008123320A1
WO2008123320A1 PCT/JP2008/055768 JP2008055768W WO2008123320A1 WO 2008123320 A1 WO2008123320 A1 WO 2008123320A1 JP 2008055768 W JP2008055768 W JP 2008055768W WO 2008123320 A1 WO2008123320 A1 WO 2008123320A1
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WIPO (PCT)
Prior art keywords
crystal grains
dielectric ceramic
ceramic
dielectric
laminated
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PCT/JP2008/055768
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English (en)
French (fr)
Inventor
Youichi Yamazaki
Hideyuki Osuzu
Yoshihiro Fujioka
Daisuke Fukuda
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Kyocera Corporation
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Publication date
Application filed by Kyocera Corporation filed Critical Kyocera Corporation
Priority to CN2008800096153A priority Critical patent/CN101641305B/zh
Publication of WO2008123320A1 publication Critical patent/WO2008123320A1/ja
Priority to US12/567,632 priority patent/US8238077B2/en

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    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
    • H01B3/12—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances ceramics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
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    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
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Abstract

　コアシェル構造を有し、チタン酸バリウムを主成分とする結晶粒子と、該結晶粒子間に存在する粒界相とを有する誘電体磁器であって、前記結晶粒子に対して、バナジウム、マグネシウムおよび希土類元素およびマンガンをそれぞれ所定の割合で含有させて、キュリー温度を８０～９０°Cの範囲としたことにより、高誘電率であり、かつ比誘電率の温度特性の安定性に優れるとともに、絶縁抵抗の電圧依存性の小さい、誘電体磁器を得ることができる。
PCT/JP2008/055768 2007-03-27 2008-03-26 誘電体磁器および積層セラミックコンデンサ WO2008123320A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008800096153A CN101641305B (zh) 2007-03-27 2008-03-26 电介体瓷器及层叠陶瓷电容器
US12/567,632 US8238077B2 (en) 2007-03-27 2009-09-25 Dielectric ceramics and multilayer ceramic capacitor

Applications Claiming Priority (2)

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JP2007-082905 2007-03-27
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EP2662337A1 (en) * 2009-11-30 2013-11-13 OC Oerlikon Balzers AG Core-shell nanoparticles in electronic capacitor applications
EP2328193A3 (en) * 2009-11-30 2013-12-11 Canon Kabushiki Kaisha Piezoelectric ceramic, method for making the same, piezoelectric element, liquid discharge head, and ultrasonic motor
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