CN101345286A - 一种提高磁性多层膜结构中偏置场稳定性的方法 - Google Patents
一种提高磁性多层膜结构中偏置场稳定性的方法 Download PDFInfo
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- CN101345286A CN101345286A CNA2008100988716A CN200810098871A CN101345286A CN 101345286 A CN101345286 A CN 101345286A CN A2008100988716 A CNA2008100988716 A CN A2008100988716A CN 200810098871 A CN200810098871 A CN 200810098871A CN 101345286 A CN101345286 A CN 101345286A
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- magnetic
- ion irradiation
- magnetoresistance effect
- multilayer film
- ion
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 22
- 150000002500 ions Chemical class 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 29
- 238000000151 deposition Methods 0.000 claims abstract description 13
- 230000004048 modification Effects 0.000 claims abstract description 11
- 238000012986 modification Methods 0.000 claims abstract description 11
- CKHJYUSOUQDYEN-UHFFFAOYSA-N gallium(3+) Chemical compound [Ga+3] CKHJYUSOUQDYEN-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000010884 ion-beam technique Methods 0.000 claims description 25
- 230000008021 deposition Effects 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- -1 magnetosphere Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 230000015654 memory Effects 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 23
- 239000010408 film Substances 0.000 description 19
- 229910003321 CoFe Inorganic materials 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000005294 ferromagnetic effect Effects 0.000 description 9
- 239000010409 thin film Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 6
- 230000005641 tunneling Effects 0.000 description 6
- 229910015136 FeMn Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 4
- 229910052733 gallium Inorganic materials 0.000 description 4
- 238000001755 magnetron sputter deposition Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 229910002555 FeNi Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 229910052729 chemical element Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229910019041 PtMn Inorganic materials 0.000 description 1
- 230000005290 antiferromagnetic effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810098871A CN100585898C (zh) | 2008-05-09 | 2008-05-09 | 一种提高CoFe/Cu/CoFe/IrMn自旋阀结构多层膜结构中偏置场稳定性的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810098871A CN100585898C (zh) | 2008-05-09 | 2008-05-09 | 一种提高CoFe/Cu/CoFe/IrMn自旋阀结构多层膜结构中偏置场稳定性的方法 |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200910164869A Division CN101692375A (zh) | 2008-05-09 | 2008-05-09 | 一种提高CoFe/AlOx/CoFe/IrMn自旋阀结构多层膜结构中偏置场稳定性的方法 |
CN2009101648701A Division CN101692480B (zh) | 2008-05-09 | 2008-05-09 | 一种提高Co/Cu/NiFe/FeMn自旋阀结构多层膜结构中偏置场稳定性的方法 |
CN2009101648716A Division CN101794658B (zh) | 2008-05-09 | 2008-05-09 | 一种提高FeNi/AlOx/NiFe/FeMn自旋隧道结结构多层膜结构中偏置场稳定性的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101345286A true CN101345286A (zh) | 2009-01-14 |
CN100585898C CN100585898C (zh) | 2010-01-27 |
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CN200810098871A Expired - Fee Related CN100585898C (zh) | 2008-05-09 | 2008-05-09 | 一种提高CoFe/Cu/CoFe/IrMn自旋阀结构多层膜结构中偏置场稳定性的方法 |
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CN (1) | CN100585898C (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105164828A (zh) * | 2013-02-27 | 2015-12-16 | 国家科学研究中心 | 用于处理磁结构的工艺 |
CN105259521A (zh) * | 2015-11-27 | 2016-01-20 | 株洲壹星科技股份有限公司 | 巨磁电阻传感器差分驱动与磁场偏置电路及偏置方法 |
-
2008
- 2008-05-09 CN CN200810098871A patent/CN100585898C/zh not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105164828A (zh) * | 2013-02-27 | 2015-12-16 | 国家科学研究中心 | 用于处理磁结构的工艺 |
CN105164828B (zh) * | 2013-02-27 | 2018-07-13 | 国家科学研究中心 | 用于处理磁结构的工艺 |
US10276302B2 (en) | 2013-02-27 | 2019-04-30 | Centre National De La Recherche Scientifique (Cnrs) | Process for treating a magnetic structure |
EP2962337B1 (fr) * | 2013-02-27 | 2020-12-09 | Centre National de la Recherche Scientifique (CNRS) | Procédé de traitement d'une structure magnétique |
CN105259521A (zh) * | 2015-11-27 | 2016-01-20 | 株洲壹星科技股份有限公司 | 巨磁电阻传感器差分驱动与磁场偏置电路及偏置方法 |
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Publication number | Publication date |
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CN100585898C (zh) | 2010-01-27 |
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Assignee: Nanjing Jinning Sanhuan FDK Co., Ltd. Assignor: Nanjing University of Aeronautics and Astronautics Contract record no.: 2011320000114 Denomination of invention: Method for improving bias field stability in multilayer film structure of CoFe/Cu/CoFe/IrMn spin valve structure Granted publication date: 20100127 License type: Exclusive License Open date: 20090114 Record date: 20110301 |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20100127 Termination date: 20160509 |