JP5227527B2 - 磁性体検出センサ - Google Patents
磁性体検出センサ Download PDFInfo
- Publication number
- JP5227527B2 JP5227527B2 JP2007088034A JP2007088034A JP5227527B2 JP 5227527 B2 JP5227527 B2 JP 5227527B2 JP 2007088034 A JP2007088034 A JP 2007088034A JP 2007088034 A JP2007088034 A JP 2007088034A JP 5227527 B2 JP5227527 B2 JP 5227527B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic field
- detection
- magnet
- field detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
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- 238000001514 detection method Methods 0.000 title claims description 286
- 239000000126 substance Substances 0.000 claims description 40
- 239000010408 film Substances 0.000 claims description 31
- 239000000696 magnetic material Substances 0.000 claims description 25
- 230000008859 change Effects 0.000 claims description 20
- 230000005415 magnetization Effects 0.000 claims description 16
- 239000010409 thin film Substances 0.000 claims description 8
- 230000005381 magnetic domain Effects 0.000 claims description 5
- 230000035945 sensitivity Effects 0.000 description 13
- 238000009826 distribution Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 239000006249 magnetic particle Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 4
- 239000010949 copper Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- AOWKSNWVBZGMTJ-UHFFFAOYSA-N calcium titanate Chemical compound [Ca+2].[O-][Ti]([O-])=O AOWKSNWVBZGMTJ-UHFFFAOYSA-N 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000005549 size reduction Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
Landscapes
- Measuring Magnetic Variables (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007088034A JP5227527B2 (ja) | 2007-03-29 | 2007-03-29 | 磁性体検出センサ |
| US12/056,880 US20080238417A1 (en) | 2007-03-29 | 2008-03-27 | Magnetic substance detection sensor and magnetic substance detecting apparatus |
| EP08153527A EP1975637B1 (en) | 2007-03-29 | 2008-03-28 | Magnetic substance detection sensor and magnetic substance detecting apparatus |
| CN2008100879988A CN101275992B (zh) | 2007-03-29 | 2008-03-28 | 磁性物质检测传感器和磁性物质检测装置 |
| CN201210281433.XA CN102819001B (zh) | 2007-03-29 | 2008-03-28 | 磁性物质检测传感器和磁性物质检测装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007088034A JP5227527B2 (ja) | 2007-03-29 | 2007-03-29 | 磁性体検出センサ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008249371A JP2008249371A (ja) | 2008-10-16 |
| JP2008249371A5 JP2008249371A5 (zh) | 2010-05-06 |
| JP5227527B2 true JP5227527B2 (ja) | 2013-07-03 |
Family
ID=39974519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007088034A Active JP5227527B2 (ja) | 2007-03-29 | 2007-03-29 | 磁性体検出センサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5227527B2 (zh) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5165963B2 (ja) * | 2007-08-14 | 2013-03-21 | 新科實業有限公司 | 磁気センサ及びその製造方法 |
| DE102009008265B4 (de) * | 2009-02-10 | 2011-02-03 | Sensitec Gmbh | Anordnung zur Messung mindestens einer Komponente eines Magnetfeldes |
| JP6359858B2 (ja) * | 2014-04-04 | 2018-07-18 | キヤノン電子株式会社 | 磁界検出装置および磁気識別装置 |
| JP2016095138A (ja) * | 2014-11-12 | 2016-05-26 | Tdk株式会社 | 磁気センサ |
| JP6202282B2 (ja) * | 2015-02-17 | 2017-09-27 | Tdk株式会社 | 磁気センサ |
| JP6370768B2 (ja) * | 2015-11-26 | 2018-08-08 | 矢崎総業株式会社 | 磁界検出センサ |
| JP2023097943A (ja) * | 2021-12-28 | 2023-07-10 | グローリー株式会社 | 磁気特徴検出装置及び紙葉類識別装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0710245Y2 (ja) * | 1985-05-14 | 1995-03-08 | 東北金属工業株式会社 | 磁気センサー |
| US5450009A (en) * | 1990-12-28 | 1995-09-12 | Kabushiki Kaisha Komatsu Seisakusho | Magnetic sensor and structure of its mounting |
| JP3764834B2 (ja) * | 1999-10-22 | 2006-04-12 | キヤノン電子株式会社 | 電流センサー及び電流検出装置 |
| JP2002243766A (ja) * | 2001-02-16 | 2002-08-28 | Fuji Electric Co Ltd | 電流センサ |
| JP2004206316A (ja) * | 2002-12-25 | 2004-07-22 | Fuji Electric Retail Systems Co Ltd | 磁気検出装置 |
| JP4541136B2 (ja) * | 2004-12-28 | 2010-09-08 | キヤノン電子株式会社 | 磁性体検出センサ及び磁性体検出ラインセンサ |
| WO2006109382A1 (ja) * | 2005-03-14 | 2006-10-19 | National University Corporation Okayama University | 磁気的インピーダンス計測装置 |
-
2007
- 2007-03-29 JP JP2007088034A patent/JP5227527B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008249371A (ja) | 2008-10-16 |
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