CN100442076C - 线性磁场传感器及其制作方法 - Google Patents
线性磁场传感器及其制作方法 Download PDFInfo
- Publication number
- CN100442076C CN100442076C CNB2005100720520A CN200510072052A CN100442076C CN 100442076 C CN100442076 C CN 100442076C CN B2005100720520 A CNB2005100720520 A CN B2005100720520A CN 200510072052 A CN200510072052 A CN 200510072052A CN 100442076 C CN100442076 C CN 100442076C
- Authority
- CN
- China
- Prior art keywords
- spin valve
- valve elements
- magnetic field
- layer
- field sensor
- 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.)
- Expired - Fee Related
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 60
- 238000004519 manufacturing process Methods 0.000 title description 10
- 230000005294 ferromagnetic effect Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 description 49
- 230000005290 antiferromagnetic effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005415 magnetization Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 230000005355 Hall effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 238000009812 interlayer coupling reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Landscapes
- Measuring Magnetic Variables (AREA)
- Hall/Mr Elements (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100720520A CN100442076C (zh) | 2005-05-27 | 2005-05-27 | 线性磁场传感器及其制作方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005100720520A CN100442076C (zh) | 2005-05-27 | 2005-05-27 | 线性磁场传感器及其制作方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1687802A CN1687802A (zh) | 2005-10-26 |
CN100442076C true CN100442076C (zh) | 2008-12-10 |
Family
ID=35305844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005100720520A Expired - Fee Related CN100442076C (zh) | 2005-05-27 | 2005-05-27 | 线性磁场传感器及其制作方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100442076C (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100593122C (zh) * | 2005-12-09 | 2010-03-03 | 中国科学院物理研究所 | 一种平面集成的三维磁场传感器及其制备方法和用途 |
CN101672903B (zh) * | 2009-09-23 | 2011-09-14 | 电子科技大学 | 一种惠斯通电桥式自旋阀磁传感器的制备方法 |
CN202433514U (zh) * | 2011-01-17 | 2012-09-12 | 江苏多维科技有限公司 | 独立封装的桥式磁场传感器 |
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 |
JP7285745B2 (ja) * | 2019-09-18 | 2023-06-02 | 東京エレクトロン株式会社 | 成膜システム、磁化特性測定装置、および成膜方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5159513A (en) * | 1991-02-08 | 1992-10-27 | International Business Machines Corporation | Magnetoresistive sensor based on the spin valve effect |
CN1113572A (zh) * | 1994-11-04 | 1995-12-20 | 国际商业机器公司 | 带有自旋阀磁阻元件的桥电路磁场传感器及其制作方法 |
CN1601610A (zh) * | 2004-10-10 | 2005-03-30 | 中国科学院物理研究所 | 具有共振隧穿效应的双势垒隧道结传感器 |
-
2005
- 2005-05-27 CN CNB2005100720520A patent/CN100442076C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5159513A (en) * | 1991-02-08 | 1992-10-27 | International Business Machines Corporation | Magnetoresistive sensor based on the spin valve effect |
CN1113572A (zh) * | 1994-11-04 | 1995-12-20 | 国际商业机器公司 | 带有自旋阀磁阻元件的桥电路磁场传感器及其制作方法 |
CN1601610A (zh) * | 2004-10-10 | 2005-03-30 | 中国科学院物理研究所 | 具有共振隧穿效应的双势垒隧道结传感器 |
Non-Patent Citations (1)
Title |
---|
软磁金属合金多层磁性薄膜研究进展. 叶超群等.上海钢研,第3期. 2004 * |
Also Published As
Publication number | Publication date |
---|---|
CN1687802A (zh) | 2005-10-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3092505B1 (en) | Magnetoresistance element with an improved seed layer to promote an improved response to magnetic fields | |
JP2846472B2 (ja) | 合成反強磁性磁石を備えた磁気抵抗センサ及びその製造方法 | |
CN107923956B (zh) | 磁阻传感器 | |
US9207290B2 (en) | Magnetic field sensor for sensing external magnetic field | |
US12265139B2 (en) | Magneto-resistive element and magnetic sensor | |
CN101996734B (zh) | 一种线性响应巨磁电阻效应多层膜 | |
JP2014515470A (ja) | シングルチップ2軸ブリッジ型磁界センサ | |
CN101471420A (zh) | 一种双交换偏置场型自旋阀 | |
US20210096195A1 (en) | Magnetoresistive sensor and fabrication method for a magnetoresistive sensor | |
CN106104828B (zh) | 磁传感器 | |
CN100442076C (zh) | 线性磁场传感器及其制作方法 | |
CN111965571B (zh) | 一种gmr磁场传感器的制备方法 | |
CN106129244B (zh) | L10-MnGa或L10-MnAl基宽线性响应磁敏传感器及制备方法 | |
Chan et al. | Spin valves with conetic based synthetic ferrimagnet free layer | |
CN103383441A (zh) | 一种数字式自旋阀磁场传感器及其制备技术 | |
US6620530B1 (en) | Synthetic anti-parallel spin valve, having improved robustness, and process to manufacture it | |
CN100368820C (zh) | 自旋阀型数字式磁场传感器及其制作方法 | |
JPH11195824A (ja) | 磁気抵抗効果素子及び磁気抵抗効果型ヘッド | |
CN103235274B (zh) | 一种基于反铁磁自旋转向现象的传感器 | |
CN110416405A (zh) | 一种具有合成反铁磁结构的自旋阀薄膜 | |
Svalov et al. | Spin valves based on amorphous ferrimagnetic Gd–Co films | |
KR100733782B1 (ko) | CoFeZr을 포함하는 거대 자기 저항 소자의 제조 방법 | |
CN103605088B (zh) | 一种90度自偏置自旋阀传感单元 | |
CN103424131A (zh) | 一种垂直偏置磁传感单元的制备方法 | |
Qu et al. | Dependence of GMR on NiFe layer thickness in high sensitive simple spin valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi Nano MEMS, Inc. Assignor: Research Institute of Physics, Chinese Academy of Sciences Contract record no.: 2010320001105 Denomination of invention: Linear magnetic field sensor and its mfg. method Granted publication date: 20081210 License type: Exclusive License Open date: 20051026 Record date: 20100902 |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20170527 |
|
CF01 | Termination of patent right due to non-payment of annual fee |