Magnetic Characteristics of Tb-Fe Giant Magnetostrictive Alloy Thin Film for Optical Scanner
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- Kadowaki Atsushi
- Course of Materials Science Graduate School of Engineering, Tokai University
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- Takeuchi Mitsuaki
- Course of Applied Science, Graduate School of Engineering, Tokai University
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- Matsumura Yoshihito
- Course of Applied Science, Graduate School of Engineering, Tokai University Department of Applied Science, Tokai University
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- Nishi Yoshitake
- Course of Materials Science Graduate School of Engineering, Tokai University Department of Materials Science, Tokai University
Bibliographic Information
- Other Title
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- 光走査用Tb‐Fe超磁歪合金薄膜の磁気特性
Abstract
An optical scanner consisting of a unimorph giant-magnetostrictive Tb-Fe alloy film was prepared by DC magnetron sputtering. The Tb-Fe alloy film was deposited onto a polyimide substrate and an Al thin film on the untreated surface of the polyimide substrate served as a reflecting mirror. Optical scanning characteristics of the device were examined by a bending cantilever method using a He-Ne LASER under a magnetic field. The device showed reflection angle displacement of 1.3 degrees of along the x axis and 1.6 degree along the y axis at 1100 kA/m. An applied magnetic field in range from 20 to 500 kA/m reproducibility produces a reversible linear displacement. Based on the results, the Tb-Fe alloy film device could be applied as an optical sensor.
Journal
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- Journal of the Japan Institute of Metals and Materials
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Journal of the Japan Institute of Metals and Materials 68 (2), 126-129, 2004
The Japan Institute of Metals and Materials
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Keywords
Details 詳細情報について
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- CRID
- 1390001206479383424
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- NII Article ID
- 130004455433
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- ISSN
- 18806880
- 24337501
- 00214876
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed