Several methods to improve the linearity of AMR sensors
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摘要: 在分析金屬薄膜磁電阻傳感器非線性產生原因的基礎上,提出了幾種設計AMR(各向異性磁電阻)薄膜磁電阻傳感器時改善其線性度的方法.用直流磁控濺射方法制備了Ni80Fe20和Ni65Co35AMR薄膜材料;用微加工工藝制做出了幾種AMR傳感器元件,并給出了測試結果.Abstract: Several methods to improve the linearity of anisotropic magnetoresistance (AMR) sensors were suggested based on the analysis of the generation of nonlinearity in magnetoresistive sensors of metallic films. Ni80Fe20 and Ni65Co35 AMR thin films were prepared by DC magnetic sputtering. Some AMR sensors were made by the micro-fabrication technique, and the testing results were also presented.
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Key words:
- metallic films /
- anisotropic magnetoresistance effects /
- sensor /
- linearity /
- microfabrication
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