VERY HIGH-STRAIN SENSITIVITY IN THICK-FILM RESISTORS - REAL AND FALSE SUPER GAUGE FACTORS

被引：33

作者：

PRUDENZIATI, M

MORTEN, B

CILLONI, F

RUFFI, G

机构：

[1] Univ of Modena, Italy

来源：

SENSORS AND ACTUATORS | 1989年 / 19卷 / 04期

关键词：

Resistors--Thick Films;

D O I：

10.1016/0250-6874(89)87089-1

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

An investigation has been carried out on the correlations between composition/morphology of RuO2-based thick-film resistors and their strain sensitivity. High gauge factors (GFs), as well as satisfactory performance in terms of TCR (temperature coefficient of resistance), excess noise and reliability, are obtained with an appropriate choice of glassy matrix, RuO2 grain size and concentrations. Resistive systems modified with metal and metal oxide additions are analysed. In some cases notable changes of electrical properties are observed, related to defective structures. Methods for a simple and accurate diagnosis of reliable or fictitious performance of thick-film strain gauges are identified.

引用

页码：401 / 414

页数：14

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