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Patent Searching and Data


Title:
LAMINATE CERAMIC CAPACITOR AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2014/010376
Kind Code:
A1
Abstract:
Provided are: a laminate ceramic capacitor having high reliability, superior resistance to insulation deterioration, and low change over time in insulating resistance in a high-temperature load test; and a method for producing the laminate ceramic capacitor. The laminate ceramic capacitor is provided with: a laminate body (10) having a plurality of dielectric layers (11), which have a dielectric ceramic provided with a plurality of crystal particles, and a plurality of inner electrodes (12), which are formed at the plurality of interfaces between the dielectric layers; and outer electrodes (13a, 13b). The laminate body contains La, Mg, Mn, and a perovskite compound containing Ba and Ti; the fractions of the La, Mg, and Mn content with respect to the Ti content for each 100 parts by mole of Ti are in the ranges 1.2-6.0 parts by mole of La, 0.5-5.01 parts by mole of Mg, and 1.0-3.0 parts by mole of Mn; and the average number of crystal particles contained in the dielectric layers in the direction of lamination per dielectric layer satisfies the condition of being between one and three inclusive.

Inventors:
OKAMOTO TAKAFUMI (JP)
Application Number:
PCT/JP2013/066730
Publication Date:
January 16, 2014
Filing Date:
June 18, 2013
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01G4/12; H01G4/30
Foreign References:
JP2007234677A2007-09-13
JPH11317322A1999-11-16
JPS63103861A1988-05-09
Attorney, Agent or Firm:
NISHIZAWA, HITOSHI (JP)
Hitoshi Nishizawa (JP)
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