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A Novel Magnetic Linear Encoder Designed by Using the Slant Multi-Phase Filtering Model |
| SHI Yu1;XING Huai-Zhong2;ZHANG Huai-Wu1;LIU Ying-Li1;JING Yu-Lan1;ZHONG Zhi-Yong1 |
| 1School of Microelectronics and Solid-State Electronics, University of Electronics Science and Technology of China, Chengdu 610054
1Department of Physics, Donghua University, Shanghai 200083 |
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| Cite this article: |
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SHI Yu, XING Huai-Zhong, ZHANG Huai-Wu et al 2004 Chin. Phys. Lett. 21 2310-2312 |
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Abstract A novel design model based on the slant multi-phase filtering model is presented. A magnetic linear encoder with sinusoidal output voltage waveform has been investigated, and the improved sinusoidal output waveform can be easily acquired. A minimum 6% of distortion factor, when the difference of slant phase is 2π/3, is observed. It is found that the Wheatstone bridge type sensor, made of NiFe(450A)/NiO(300A) bilayers deposited on Si (001) substrate, can enhance both output signal and thermal stability, and then can be widely used in the field of magneto-resistive sensor.
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| Keywords:
85.70.Ay
85.70.Kh
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Published: 01 November 2004
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| PACS: |
85.70.Ay
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(Magnetic device characterization, design, and modeling)
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85.70.Kh
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(Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.); domain-motion devices, etc.)
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