Multilayer ceramic capacitor, and a manufacturing method of the laminated ceramic capacitor

2006 
Ceramic body and a secondary phase particles containing at least Mn as a main phase particles mainly composed of CaZrO Mn and Si are contained respectively 2 parts by mole or more and 0.69 parts by mol or more relative to 100 moles of the main component parts in the ceramic body, the area ratio occupied by the secondary phase particles in the cross section of the ceramic body 0. it is 1% or more. Among the particle size is more than 0.1μm particles of said secondary phase particles, 67% or more (preferably 85% or more) contains a Cu and Si. Multilayer ceramic capacitor having such a secondary particle phase, after the formation of the external electrodes, the oxygen partial pressure is 10 Thus, good Q value is the temperature characteristic of the capacitance is high and for superior multilayer ceramic capacitor reliability decrease is suppressed in the high temperature load lifetime.
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