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厚膜线性NTC热敏电阻器的研究

[摘要]
普通NTC热敏电阻器的阻-温特性呈指数变化,用于测温、控温和温度补偿很不方便,而NTC线性网络又相当复杂。借鉴普通NTC热敏电阻器线性化的机理,能够使宏观上的热敏电阻器与普通电阻器的串并联,在微观上得以实现以MnCO2O4和CoMn1.5Ni0.5O4为热敏相,适当的RuO2为导电相,硼硅玻璃为玻璃相,用厚膜陶瓷工艺制成了厚膜线性NTC热敏电阻器。
[英文摘要]
The resistance-temperature characteristic of normal thermistors is of exponential function. Therefore, it is difficult for them to be used in temperature measurement, control or compensation. Its linear network is very complex. To solve the problem, thick-film NTC thermistors are devolved, which are equivalent to linear networks with normal NTC thermistors. MnCo2O4CoMn1.5Ni0.5O4 are used as thermo-sensitive phase, borosilicate glass as glass phase and RuO2 as conductive phase. Moreover, the linear mechanism of NTC thermistor is discussed. (5 refs.)
[关键词]
NTC 热敏电阻器 厚膜工艺 线性机理
[作者]
武明堂 铁宏安 肖国伟 贺永宁
[作者单位]
西安交通大学电信学院
[刊名]
电子元件与材料
[英文刊名]
ELECTRONIC COMPONENTS&MATERIALS
[期刊类别]
无线电电子学与电信技术
[年 卷 期]
1999   18   1

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