On the base of the development of domestic and foreign thermistor material, the study on series of the thick film PTC thermistor, was selected as aim as to improve TCR.

• 本文在跟踪国内外热敏电阻材料发展的基础上,以系列化厚膜PTC热敏电阻的研制为研究目标,致力于提高厚膜PTC热敏电阻的电阻温度系数。