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The NTC powder materials were prepared chemically using acetates of (Mn–Co–Ni), as precursor materials. The sintering of the powders shows the existence of spinel phases at comparatively low temperature, i.e. 800°C. ‘Green’ thick films were prepared by admixing of the spinel powder, RuO 2 , lead free glass frit and the organic vehicle. Synthesized powders as well as the thermistor films were...
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