Ceramic Manufacturing Technology for the High Performance PTC Thermistor
- 1 December 1974
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Manufacturing Technology
- Vol. 3 (2) , 77-82
- https://doi.org/10.1109/tmft.1974.1135679
Abstract
The roles and the effects of transition elements and other additives on the resistivity and the ratio of the resistivity rise of the semiconducting barium titanate ceramics are presented. The variety of the typical experimental data are illustrated to explain that the exact controlling up to ppm order of the small amount components including both impurities and additives as well as the controlling of the characteristics attributing to the powder, is very important technology for the industrial manufacturing of the high performance positive temperature coefficient (PTC) thermistor. The importance of the exact controlling of the whole firing program is also discussed, indicating the existence of particular temperature ranges at high temperature regions, both in the heating and cooling processes.Keywords
This publication has 4 references indexed in Scilit:
- Preparation of Semiconducting Titanates by Chemical MethodsJournal of the American Ceramic Society, 1963
- Processing Techniques and Applications of Positive Temperature Coefficient ThermistorsIEEE Transactions on Component Parts, 1963
- Electrical Conduction Anomaly in Samarium‐Doped Barium TitanateJournal of the American Ceramic Society, 1963
- Phase Equilibria in the System BaTiO3‐SiO2Journal of the American Ceramic Society, 1955