| 隧道磁电阻(TMR)磁传感器的特性与应用 |
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| 引用本文： | 吕华,刘明峰,曹江伟,白建民,魏福林,杨正,王建国.隧道磁电阻(TMR)磁传感器的特性与应用[J].磁性材料及器件,2012,43(3):1-4,15. |
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| 作者姓名： | 吕华 刘明峰 曹江伟 白建民 魏福林 杨正 王建国 |
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| 作者单位： | 1. 兰州大学磁学与磁性材料教育部重点实验室,甘肃兰州,730000
2. 江苏多维科技有限公司,江苏张家港,215634 |
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| 基金项目： | 国家自然科学基金资助项目(61102002);兰州大学中央高校基本科研业务费专项资金(lzujbky-2010-77) |
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| 摘 要： | 基于TMR效应的磁传感器具有灵敏度高、体积小、功耗低等诸多优点,可广泛应用于信息技术、电子电力、能源工业、汽车电子、工业自动控制及生物医学等领域。采用国内某公司开发的TMR传感器芯片,我们对TMR芯片在电子罗盘、电流传感器、角度传感器、双极锁存开关传感器、验钞机磁头等方面的应用进行了研究。本文主要介绍这些传感器的工作原理及其性能特征,并展望了TMR传感器的应用前景。
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| 关 键 词： | 隧道磁电阻 传感器 原理 特性 应用 |
Performance and applications of magnetic sensors based on TMR effect |
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| LV Hua
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LIU Ming-feng
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CAO Jiang-wei
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BAI Jian-min
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WEI Fu-lin
,
YANG Zheng
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WANG Jian-guo.Performance and applications of magnetic sensors based on TMR effect[J].Journal of Magnetic Materials and Devices,2012,43(3):1-4,15. |
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| Authors: | LV Hua LIU Ming-feng CAO Jiang-wei BAI Jian-min WEI Fu-lin YANG Zheng WANG Jian-guo |
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| Affiliation: | 1.Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education,Lanzhou University,Lanzhou 730000,China; 2.Multi-Dimension Technology Co,Ltd,Zhangjiagang 215634,China |
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| Abstract: | The TMR-effect-based magnetic sensors have the virtue of high sensitivity,small size,low power consumption,etc.They find a variety of applications,such as information technology,electrical engineering and power electronics,energy industry,automotive electronics,industrial automatic controller and biology medical.Based on TMR sensors provided by MDT Corporation,we developed several applications in digital electronic compass,current transducer,angle sensor and bipolar latch switch ICs and currency magnetic pattern recognition head.The principal and performance of these sensors were introduced and application prospect of them was also discussed in this article. |
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| Keywords: | TMR sensor principle performance applications |
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