積層セラミックスコンデンサー内部電極用高分散性Ni粉末の合成と評価

概要

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Highly dispersed Ni powders for based metal electrode (BME) for multilayer ceramic capacitors (MLC), prepared by carbonyl process and wet chemical process, have been realized by means of noble pulverization and dispersion technique. Carbonyl Ni powders have relatively large particle size and a strong oxidationresistance property. Therefore, they are suitable for BME with small capacitance MLC with low active layer (>100 layers). On the other hand, wet chemical process Ni powders poses fine particles size and they are suitable for large capacitance MLC with high active layers (<100 layers). It is obvious that a narrow distribution particle size and highly dispersed Ni powders developed by the pulverization and dispersion technique make them ideal to realize thin layer BME for MLC.
1999-07-01