Coplanar Line Thin Film Sensor and Measurement of MCG without Magnetic Shielding
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- Yabukami S.
- Tohoku Gakuin University
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- Kato K.
- Tohoku Gakuin University
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- Ozawa T.
- Tohoku Gakuin University
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- Kobayashi N.
- Tohoku Gakuin University
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- Arai K.I.
- Tohoku Gakuin University
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説明
A very sensitive thin film sensor was developed using a transmission line. The sensor element consists of a coplanar line fabricated from a ceramic substrate and amorphous-CoNbZr film (4 μm in thickness). The ceramic substrate with high permittivity enhanced the phase change in the carrier, and a phase change around 300 degrees/Oe was achieved. A small phase change was detected using a Dual Mixer Time Difference (DMTD) method when a weak magnetic field was applied. The sensor was applied to magnetocardiogram (MCG) measurement without magnetic shielding. Measurement of the MCG signals at 16 points without magnetic shielding were successful, and these signals were found to roughly agree with MCG signals obtained with a SQUID (Superconducting Quantum Interference Device).
収録刊行物
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- Journal of the Magnetics Society of Japan
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Journal of the Magnetics Society of Japan 38 (2-1), 25-28, 2014
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390001205287297280
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- NII論文ID
- 130004951218
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- NII書誌ID
- AA12297999
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- COI
- 1:CAS:528:DC%2BC2cXnvF2nsro%3D
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- ISSN
- 18822932
- 18822924
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- NDL書誌ID
- 025305704
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- 本文言語コード
- en
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- 資料種別
- journal article
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- データソース種別
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- JaLC
- NDLサーチ
- Crossref
- CiNii Articles
- KAKEN
- OpenAIRE
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- 抄録ライセンスフラグ
- 使用不可
