Journal of the Ceramic Society of Japan
Online ISSN : 1882-1022
Print ISSN : 0914-5400
ISSN-L : 0914-5400
Preparation and Evaluation of Highly Monodispersed Ni Powders for Base Metal Internal Electrode of Multilayer Ceramic Devices
Ryosuke UEYAMANobuyuki SEKIKazuyuki KAMADAMasahiro HARADATamotsu UEYAMA
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1999 Volume 107 Issue 1247 Pages 652-656

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Abstract
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 oxidation-resistance 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.
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