Abstract
Several dielectric compositions for high capacitance BME (Base Metal Electrode) MLCC (multilayer ceramic capacitor) applications were studied in order to correlate synthesis technique and dopant level to the effectiveness of re-oxidation condition. All formulations were based on BaTiO3 precursors which were synthesized from either a solid state or a precipitated oxalate technique. The intention of this study was to investigate the intrinsic relationship between the reoxidation conditions and the electrical properties (including HALT) of the final MLCC's and then correlate this information with synthesis technique and dopant level. The reoxidation conditions investigated in this study were temperature (800–1000°C), PO2 (7–53 PPM's) and soak time (3–9 hrs).
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