Robust giant magnetoresistance sensors

被引：77
|
作者：
Lenssen, KMH [1 ]
Adelerhof, DJ [1 ]
Gassen, HJ [1 ]
Kuiper, AET [1 ]
Somers, GHJ [1 ]
van Zon, JBAD [1 ]
机构：
[1] Philips Res Labs, NL-5656 AA Eindhoven, Netherlands
来源：
SENSORS AND ACTUATORS A-PHYSICAL | 2000年 / 85卷 / 1-3期
关键词：
magnetic sensors; giant magnetoresistance (GMR); angle sensors; position sensors; automotive sensors;
D O I：
10.1016/S0924-4247(00)00342-3
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The giant magnetoresistance (GMR) effect offers interesting new possibilities for sensor applications. A short overview is given of the GMR effect in relation to its application in (automotive and industrial) field sensors. In the past the thermal and magnetic stability could not fulfil the requirements for use in automotive and industrial environments. Recently, a new, robust GMR material system has been developed that can withstand high temperatures (> 200 degrees C) and large magnetic fields (> 200 kA/m). Using this material, GMR sensor elements have been fabricated and measured. Moreover, preliminary measurements on the first robust GMR sensor with a full Wheatstone-bridge configuration will be presented. (C) 2000 Elsevier Science S.A. All rights reserved.
引用
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页码：1 / 8
页数：8
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