CN102721427B - 一种薄膜磁阻传感器元件及薄膜磁阻电桥 - Google Patents
一种薄膜磁阻传感器元件及薄膜磁阻电桥 Download PDFInfo
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- CN102721427B CN102721427B CN201210205391.1A CN201210205391A CN102721427B CN 102721427 B CN102721427 B CN 102721427B CN 201210205391 A CN201210205391 A CN 201210205391A CN 102721427 B CN102721427 B CN 102721427B
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- film magnetoresistive
- magnetoresistive sensor
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- 239000010409 thin film Substances 0.000 title claims abstract description 89
- 230000005291 magnetic effect Effects 0.000 claims abstract description 163
- 230000005290 antiferromagnetic effect Effects 0.000 claims abstract description 13
- 229910003321 CoFe Inorganic materials 0.000 claims description 26
- 229910019236 CoFeB Inorganic materials 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 19
- 229910018979 CoPt Inorganic materials 0.000 claims description 15
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 229910005335 FePt Inorganic materials 0.000 claims description 7
- 239000010408 film Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 229910019222 CoCrPt Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000002955 isolation Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 10
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 2
- 238000001771 vacuum deposition Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
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CN201210205391.1A CN102721427B (zh) | 2012-06-20 | 2012-06-20 | 一种薄膜磁阻传感器元件及薄膜磁阻电桥 |
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CN201210205391.1A CN102721427B (zh) | 2012-06-20 | 2012-06-20 | 一种薄膜磁阻传感器元件及薄膜磁阻电桥 |
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CN102721427A CN102721427A (zh) | 2012-10-10 |
CN102721427B true CN102721427B (zh) | 2015-05-20 |
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CN201210205391.1A Ceased CN102721427B (zh) | 2012-06-20 | 2012-06-20 | 一种薄膜磁阻传感器元件及薄膜磁阻电桥 |
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CN (1) | CN102721427B (zh) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104880613A (zh) * | 2015-06-01 | 2015-09-02 | 无锡乐尔科技有限公司 | 一种可穿戴电磁辐射计 |
EP3104187A1 (en) * | 2015-06-09 | 2016-12-14 | International Iberian Nanotechnology Laboratory | Magnetoresistive sensor |
CN105954692A (zh) * | 2016-04-26 | 2016-09-21 | 中国科学院物理研究所 | 具有改善的灵敏度和线性度的磁传感器 |
JP6661215B2 (ja) * | 2017-10-31 | 2020-03-11 | Tdk株式会社 | 位置検出装置およびカメラモジュール |
CN109883456B (zh) * | 2019-04-02 | 2024-06-28 | 江苏多维科技有限公司 | 一种磁电阻惯性传感器芯片 |
CN113532257B (zh) * | 2020-04-16 | 2023-06-27 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种应变传感器及其制作方法 |
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 |
CN113866691B (zh) * | 2021-12-02 | 2022-09-23 | 北京芯可鉴科技有限公司 | 隧穿磁电阻传感器及其制备方法、使用方法 |
CN116338537B (zh) * | 2023-04-14 | 2023-09-01 | 珠海多创科技有限公司 | 磁阻传感器及其制备方法、磁传感装置 |
Citations (6)
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JP2001006932A (ja) * | 1999-06-17 | 2001-01-12 | Sony Corp | 磁気抵抗効果膜とこれを用いた磁気読取りセンサ |
JP2004087745A (ja) * | 2002-08-27 | 2004-03-18 | Hitachi Ltd | 磁気抵抗効果素子及びそれを用いた磁気ヘッド、磁気記録再生装置 |
CN1658287A (zh) * | 2004-02-18 | 2005-08-24 | 日立环球储存科技荷兰有限公司 | 带有退藕的难偏置多层的磁阻传感器 |
CN101053021A (zh) * | 2004-10-25 | 2007-10-10 | 阿尔诺·威金斯有限公司 | 读取磁数据的方法 |
CN101871787A (zh) * | 2010-06-01 | 2010-10-27 | 王建国 | 一种薄膜磁阻传感器 |
CN202994175U (zh) * | 2012-06-20 | 2013-06-12 | 宁波瑞纳森电子科技有限公司 | 一种薄膜磁阻传感器元件及薄膜磁阻电桥半桥和全桥 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3890893B2 (ja) * | 2000-12-28 | 2007-03-07 | 日本電気株式会社 | スピントンネル磁気抵抗効果膜及び素子及びそれを用いた磁気抵抗センサー、及び磁気装置及びその製造方法 |
US6985338B2 (en) * | 2002-10-21 | 2006-01-10 | International Business Machines Corporation | Insulative in-stack hard bias for GMR sensor stabilization |
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2012
- 2012-06-20 CN CN201210205391.1A patent/CN102721427B/zh not_active Ceased
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001006932A (ja) * | 1999-06-17 | 2001-01-12 | Sony Corp | 磁気抵抗効果膜とこれを用いた磁気読取りセンサ |
JP2004087745A (ja) * | 2002-08-27 | 2004-03-18 | Hitachi Ltd | 磁気抵抗効果素子及びそれを用いた磁気ヘッド、磁気記録再生装置 |
CN1658287A (zh) * | 2004-02-18 | 2005-08-24 | 日立环球储存科技荷兰有限公司 | 带有退藕的难偏置多层的磁阻传感器 |
CN101053021A (zh) * | 2004-10-25 | 2007-10-10 | 阿尔诺·威金斯有限公司 | 读取磁数据的方法 |
CN101871787A (zh) * | 2010-06-01 | 2010-10-27 | 王建国 | 一种薄膜磁阻传感器 |
CN202994175U (zh) * | 2012-06-20 | 2013-06-12 | 宁波瑞纳森电子科技有限公司 | 一种薄膜磁阻传感器元件及薄膜磁阻电桥半桥和全桥 |
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