PLASMA SPRAYED RESISTORS.

被引：0
|
作者：
Smith, D.P.H.
Anderson, J.C.
机构：
来源：
Electrocomponent Science and Technology | 1979年 / 7卷 / 1-3期
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D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A range of films of mixed composition, prepared by arc plasma spraying, has been investigated. Both free powder and powder in a plastic binder forming a rod have been used in the spray process. A variety of mixtures of insulators, metals and semiconductors has been examined and it is shown that resistivity/temperature curves for the specimens produced have in general two points of inflection, the temperatures of which vary with composition. This allows prediction of a composition giving low T. C. R. at room temperatures for any given metal/semiconductor combination. A qualitative theoretical model explaining this effect is presented. It has also been demonstrated that a conductor/insulator combination need not necessarily exhibit a sharp transition. This allows a broad range of resistance values to be obtained simply by varying composition.
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页码：125 / 129
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