Title:
DIELECTRIC CERAMIC MATERIAL AND LAMINATED CERAMIC CAPACITOR COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2012/002118
Kind Code:
A1
Abstract:
Disclosed are: a dielectric ceramic material which can be sintered at a low temperature and has practically available properties; and a laminated ceramic capacitor which comprises the dielectric ceramic material. The dielectric ceramic material has a composition which contains a perovskite-type compound represented by the following formula: ABO3 as the main component and a nitride (D) (at least one compound selected from the group consisting of BN, AlN, Si3N4, TaN, ZrN and TiN) as an additive component. The amount of the nitride (D) to be added is such an amount that the content of the nitride (D) in the dielectric ceramic material becomes 0.5 to 5.0 parts by mole inclusive relative to 100 parts by mole of the perovskite-type compound that is the main component. The dielectric ceramic material additionally contains at least one component selected from Si, R (any one of La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and Y), and M (any one of Mn, Ni, Co, Fe, Cr, Cu, Mg, Al, Mo, W and V).
Inventors:
SHIMADA, Kohei (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
島田康平 (〒55 京都府長岡京市東神足１丁目１０番１号 株式会社村田製作所内 Kyoto, 〒6178555, JP)
島田康平 (〒55 京都府長岡京市東神足１丁目１０番１号 株式会社村田製作所内 Kyoto, 〒6178555, JP)
Application Number:
JP2011/063129
Publication Date:
January 05, 2012
Filing Date:
June 08, 2011
Export Citation:
Assignee:
MURATA MANUFACTURING CO.,LTD. (10-1, Higashikotari 1-chome Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
株式会社村田製作所 (〒55 京都府長岡京市東神足１丁目１０番１号 Kyoto, 〒6178555, JP)
SHIMADA, Kohei (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
株式会社村田製作所 (〒55 京都府長岡京市東神足１丁目１０番１号 Kyoto, 〒6178555, JP)
SHIMADA, Kohei (10-1, Higashikotari 1-chome, Nagaokakyo-sh, Kyoto 55, 〒6178555, JP)
International Classes:
C04B35/468; H01B3/12; H01G4/12; H01G4/30
Attorney, Agent or Firm:
NISHIZAWA, Hitoshi (5th Floor, Daido Seimei Minami-kan 1-2-11, Edobori, Nishi-ku, Osaka-sh, Osaka 02, 〒5500002, JP)
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Claims:
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