CN102692242B - 具有聚磁层的线性薄膜磁阻传感器 - Google Patents
具有聚磁层的线性薄膜磁阻传感器 Download PDFInfo
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- CN102692242B CN102692242B CN201210205370.XA CN201210205370A CN102692242B CN 102692242 B CN102692242 B CN 102692242B CN 201210205370 A CN201210205370 A CN 201210205370A CN 102692242 B CN102692242 B CN 102692242B
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- magnetoresistive sensor
- linear thin
- film magnetoresistive
- magnetosphere
- poly
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- 239000010409 thin film Substances 0.000 title claims abstract description 94
- 230000005389 magnetism Effects 0.000 title abstract 8
- 230000005291 magnetic effect Effects 0.000 claims abstract description 213
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910003321 CoFe Inorganic materials 0.000 claims description 28
- 229910019236 CoFeB Inorganic materials 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 21
- 239000002131 composite material Substances 0.000 claims description 19
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 16
- 230000005290 antiferromagnetic effect Effects 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 230000015572 biosynthetic process Effects 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 21
- 238000005259 measurement Methods 0.000 description 14
- 238000005829 trimerization reaction Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 239000010408 film Substances 0.000 description 3
- 230000036039 immunity Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000012644 addition polymerization Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210205370.XA CN102692242B (zh) | 2012-06-20 | 2012-06-20 | 具有聚磁层的线性薄膜磁阻传感器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201210205370.XA CN102692242B (zh) | 2012-06-20 | 2012-06-20 | 具有聚磁层的线性薄膜磁阻传感器 |
Publications (2)
Publication Number | Publication Date |
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CN102692242A CN102692242A (zh) | 2012-09-26 |
CN102692242B true CN102692242B (zh) | 2015-02-25 |
Family
ID=46857849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201210205370.XA Ceased CN102692242B (zh) | 2012-06-20 | 2012-06-20 | 具有聚磁层的线性薄膜磁阻传感器 |
Country Status (1)
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CN (1) | CN102692242B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103645448A (zh) * | 2013-12-20 | 2014-03-19 | 叶友忠 | 改型惠斯通半桥电路及传感器 |
DE102014119531B4 (de) | 2014-12-23 | 2019-06-27 | Infineon Technologies Ag | Sensorschaltung |
US10162016B2 (en) * | 2016-03-08 | 2018-12-25 | Texas Instruments Incorporated | Reduction of magnetic sensor component variation due to magnetic materials through the application of magnetic field |
CN109752578B (zh) | 2019-03-15 | 2024-12-20 | 江苏多维科技有限公司 | 一种磁隔离器 |
CN113466759B (zh) * | 2021-06-30 | 2023-06-13 | 山东大学 | 单、双轴磁阻磁场传感器和制作方法 |
CN118393408B (zh) * | 2024-06-28 | 2024-10-18 | 宁波中车时代传感技术有限公司 | 一种集成磁芯及水平型霍尔元件的集成芯片及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7356909B1 (en) * | 2004-09-29 | 2008-04-15 | Headway Technologies, Inc. | Method of forming a CPP magnetic recording head with a self-stabilizing vortex configuration |
CN101871787A (zh) * | 2010-06-01 | 2010-10-27 | 王建国 | 一种薄膜磁阻传感器 |
CN102298125A (zh) * | 2011-03-03 | 2011-12-28 | 江苏多维科技有限公司 | 推挽桥式磁电阻传感器 |
CN202994176U (zh) * | 2012-06-20 | 2013-06-12 | 宁波瑞纳森电子科技有限公司 | 具有聚磁层的线性薄膜磁阻传感器及线性薄膜磁阻传感器电路 |
-
2012
- 2012-06-20 CN CN201210205370.XA patent/CN102692242B/zh not_active Ceased
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7356909B1 (en) * | 2004-09-29 | 2008-04-15 | Headway Technologies, Inc. | Method of forming a CPP magnetic recording head with a self-stabilizing vortex configuration |
CN101871787A (zh) * | 2010-06-01 | 2010-10-27 | 王建国 | 一种薄膜磁阻传感器 |
CN102298125A (zh) * | 2011-03-03 | 2011-12-28 | 江苏多维科技有限公司 | 推挽桥式磁电阻传感器 |
CN202994176U (zh) * | 2012-06-20 | 2013-06-12 | 宁波瑞纳森电子科技有限公司 | 具有聚磁层的线性薄膜磁阻传感器及线性薄膜磁阻传感器电路 |
Non-Patent Citations (1)
Title |
---|
High Sensitivity Spin Valve Sensor With AF Coulped Flux Guides;I.G.Trindade等;《IEEE Transactions on Magnetics 》;20081130;摘要及正文第1段、附图1-4 * |
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Publication number | Publication date |
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CN102692242A (zh) | 2012-09-26 |
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