JP2015213106A - 電気抵抗率低下方法、及び、低抵抗率材料 - Google Patents
電気抵抗率低下方法、及び、低抵抗率材料 Download PDFInfo
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- JP2015213106A JP2015213106A JP2014094642A JP2014094642A JP2015213106A JP 2015213106 A JP2015213106 A JP 2015213106A JP 2014094642 A JP2014094642 A JP 2014094642A JP 2014094642 A JP2014094642 A JP 2014094642A JP 2015213106 A JP2015213106 A JP 2015213106A
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Abstract
Description
図1に、本発明材料1を示す。この本発明材料1は、縦200mm、横150mm、厚み2.4mmの板状の強磁性材料(鉄系金属:SS400)2の片側面に、16kgの吸着力を有する磁場発生源(サマリウムコバルト磁石)3を四個吸着させたものである。なお、都合四個の磁場発生源によって生じた磁場は、40mTであった。
図2に示すように、前記磁場発生源3を二個にすることによって磁場を20mTとした以外は、前記実施例1と同様にして本発明材料1を得た。
2 強磁性材料
3 磁場発生源
Claims (5)
- 強磁性材料の電気抵抗率を低下させる電気抵抗率低下方法であって、
前記強磁性材料を、永久磁石又は電磁石からなる磁場発生源から生じた磁場に晒された状態とすることを特徴とする電気抵抗率低下方法。 - 請求項1に記載の電気抵抗率低下方法において、
前記強磁性材料を、20mT以上の磁束密度を有する磁場に晒す電気抵抗率低下方法。 - 請求項1又は2に記載の電気抵抗率低下方法において、
前記強磁性材料として、鉄系金属を用いる電気抵抗率低下方法。 - 永久磁石又は電磁石からなる磁場発生源と、
強磁性材料と、
を具備し、
前記強磁性材料が、前記磁場発生源から生じた磁場に晒された状態となされてなり、
磁場に晒された状態の前記強磁性材料の電気抵抗率が、前記強磁性材料固有の電気抵抗率より低下していることを特徴とする低抵抗率材料。 - 請求項4に記載の低抵抗率材料において、
磁場に晒された状態の前記強磁性材料の電気抵抗率が、0℃の温度条件下、0.1×10―8Ω・m以下である低抵抗材料。
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61236177A (ja) * | 1985-04-12 | 1986-10-21 | Hitachi Ltd | 磁気抵抗効果素子 |
WO2008105228A1 (ja) * | 2007-02-26 | 2008-09-04 | Fujikura Ltd. | 磁気センサモジュール及び、ピストン位置検出装置 |
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2014
- 2014-05-01 JP JP2014094642A patent/JP2015213106A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61236177A (ja) * | 1985-04-12 | 1986-10-21 | Hitachi Ltd | 磁気抵抗効果素子 |
WO2008105228A1 (ja) * | 2007-02-26 | 2008-09-04 | Fujikura Ltd. | 磁気センサモジュール及び、ピストン位置検出装置 |
EP2117026A1 (en) * | 2007-02-26 | 2009-11-11 | Fujikura, Ltd. | Magnetic sensor module and piston position detecting device |
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