CN1268010C - 隧道结和垂直于平面电荷磁记录传感器及其制造方法 - Google Patents
隧道结和垂直于平面电荷磁记录传感器及其制造方法 Download PDFInfo
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- CN1268010C CN1268010C CNB028032985A CN02803298A CN1268010C CN 1268010 C CN1268010 C CN 1268010C CN B028032985 A CNB028032985 A CN B028032985A CN 02803298 A CN02803298 A CN 02803298A CN 1268010 C CN1268010 C CN 1268010C
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- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
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- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
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- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
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- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/098—Magnetoresistive devices comprising tunnel junctions, e.g. tunnel magnetoresistance sensors
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- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
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- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3906—Details related to the use of magnetic thin film layers or to their effects
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- G11B5/127—Structure or manufacture of heads, e.g. inductive
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- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
- G11B5/3903—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects using magnetic thin film layers or their effects, the films being part of integrated structures
- G11B5/3967—Composite structural arrangements of transducers, e.g. inductive write and magnetoresistive read
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49044—Plural magnetic deposition layers
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- Engineering & Computer Science (AREA)
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Abstract
Description
Claims (2)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/809,686 | 2001-03-14 | ||
US09/809,686 US20020131215A1 (en) | 2001-03-14 | 2001-03-14 | Tunnel junction and charge perpendicular-to-plane magnetic recording sensors and method of manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1479874A CN1479874A (zh) | 2004-03-03 |
CN1268010C true CN1268010C (zh) | 2006-08-02 |
Family
ID=25201981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028032985A Expired - Fee Related CN1268010C (zh) | 2001-03-14 | 2002-03-12 | 隧道结和垂直于平面电荷磁记录传感器及其制造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20020131215A1 (zh) |
JP (1) | JP4143412B2 (zh) |
KR (1) | KR100553147B1 (zh) |
CN (1) | CN1268010C (zh) |
AU (1) | AU2002242826A1 (zh) |
GB (1) | GB2388701B (zh) |
WO (1) | WO2002073226A2 (zh) |
Cited By (1)
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CN103235274A (zh) * | 2013-04-19 | 2013-08-07 | 中国科学院物理研究所 | 一种基于反铁磁自旋转向现象的传感器 |
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KR100407907B1 (ko) * | 2001-05-15 | 2003-12-03 | 한국과학기술연구원 | 자기 터널 접합 소자의 열처리 방법과 그 방법으로 제조된자기 터널 접합 소자 |
JP3565268B2 (ja) * | 2001-06-22 | 2004-09-15 | 株式会社東芝 | 磁気抵抗効果素子、磁気ヘッド及び磁気再生装置 |
JP2003309305A (ja) * | 2002-04-17 | 2003-10-31 | Alps Electric Co Ltd | 磁気検出素子 |
JP3973495B2 (ja) * | 2002-06-19 | 2007-09-12 | アルプス電気株式会社 | 磁気ヘッド及びその製造方法 |
JP4226280B2 (ja) * | 2002-06-25 | 2009-02-18 | Tdk株式会社 | 磁気検出素子及びその製造方法 |
JP2004039769A (ja) | 2002-07-02 | 2004-02-05 | Alps Electric Co Ltd | 磁気検出素子及びその製造方法 |
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JP4665377B2 (ja) * | 2003-02-26 | 2011-04-06 | Tdk株式会社 | 磁気検出素子の製造方法 |
US6867953B2 (en) * | 2003-07-02 | 2005-03-15 | Hitachi Global Storage Technologies Netherlands B.V. | Self-pinned in-stack bias structure with improved pinning |
US7245463B2 (en) * | 2003-07-25 | 2007-07-17 | Hitachi Global Storage Technologies Netherlands B.V. | Apparatus for extended self-pinned layer for a current perpendicular to plane head |
US6933042B2 (en) * | 2003-07-30 | 2005-08-23 | Hitachi Global Storage Technologies Netherlands B.V. | Ballistic GMR structure using nanoconstruction in self pinned layers |
JP2005101423A (ja) * | 2003-09-26 | 2005-04-14 | Alps Electric Co Ltd | 磁気検出素子およびその製造方法 |
US7246427B2 (en) * | 2004-02-03 | 2007-07-24 | Headway Technologies, Inc. | Method to achieve both narrow track width and effective longitudinal stabilization in a CPP GMR read head |
US7324311B2 (en) * | 2004-05-28 | 2008-01-29 | Hitachi Global Storage Technologies Netherlands B.V. | Rie defined CPP read heads |
US7446979B2 (en) * | 2004-09-30 | 2008-11-04 | Hitachi Global Storage Technologies Netherlands B.V. | Laminated draped shield for CPP read sensors |
US7265947B2 (en) | 2004-11-03 | 2007-09-04 | Headway Technologies, Inc. | Stitching of AFM and channeling layers for in-stack biasing CPP |
US7333304B2 (en) * | 2004-11-04 | 2008-02-19 | Hitachi Global Storage Technologies Netherlands B.V. | CPP sensor having hard bias stabilization placed at back edge of the stripe |
US7773349B2 (en) * | 2006-02-10 | 2010-08-10 | Hitachi Global Storage Technologies Netherlands B.V. | Tunnel MR head with long stripe height sensor stabilized through the shield |
US7405909B2 (en) * | 2006-03-14 | 2008-07-29 | Hitachi Global Storage Technologies Netherlands B.V. | Current perpendicular to plane (CPP) magnetoresistive sensor with free layer biasing by exchange pinning at back edge |
US8242776B2 (en) * | 2008-03-26 | 2012-08-14 | Everspin Technologies, Inc. | Magnetic sensor design for suppression of barkhausen noise |
CN101276879B (zh) * | 2008-04-01 | 2010-06-09 | 北京科技大学 | 一种双自由层垂直铁磁性隧道结结构 |
CN102074329B (zh) * | 2009-11-23 | 2012-04-18 | 中国科学院物理研究所 | 一种磁性多层膜及其磁逻辑元件和磁性随机存取存储器 |
CN102270736B (zh) | 2010-06-01 | 2014-02-05 | 中国科学院物理研究所 | 一种用于磁敏传感器的磁性纳米多层膜及其制造方法 |
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US10074387B1 (en) | 2014-12-21 | 2018-09-11 | Western Digital (Fremont), Llc | Method and system for providing a read transducer having symmetric antiferromagnetically coupled shields |
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JP2002542618A (ja) * | 1999-04-20 | 2002-12-10 | シーゲイト テクノロジー エルエルシー | 自由層の鏡電子散乱によるスピンバルブ・センサ |
US6421212B1 (en) * | 1999-09-21 | 2002-07-16 | Read-Rite Corporation | Thin film read head structure with improved bias magnet-to-magnetoresistive element interface and method of fabrication |
US6129957A (en) * | 1999-10-12 | 2000-10-10 | Headway Technologies, Inc. | Method of forming a second antiferromagnetic exchange-coupling layer for magnetoresistive (MR) and giant MR (GMR) applications |
-
2001
- 2001-03-14 US US09/809,686 patent/US20020131215A1/en not_active Abandoned
-
2002
- 2002-03-12 CN CNB028032985A patent/CN1268010C/zh not_active Expired - Fee Related
- 2002-03-12 AU AU2002242826A patent/AU2002242826A1/en not_active Abandoned
- 2002-03-12 KR KR1020037011491A patent/KR100553147B1/ko not_active IP Right Cessation
- 2002-03-12 GB GB0318617A patent/GB2388701B/en not_active Expired - Fee Related
- 2002-03-12 WO PCT/GB2002/001130 patent/WO2002073226A2/en active IP Right Grant
- 2002-03-12 JP JP2002572434A patent/JP4143412B2/ja not_active Expired - Fee Related
-
2003
- 2003-10-24 US US10/692,550 patent/US7166173B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103235274A (zh) * | 2013-04-19 | 2013-08-07 | 中国科学院物理研究所 | 一种基于反铁磁自旋转向现象的传感器 |
CN103235274B (zh) * | 2013-04-19 | 2015-12-23 | 中国科学院物理研究所 | 一种基于反铁磁自旋转向现象的传感器 |
Also Published As
Publication number | Publication date |
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GB2388701B (en) | 2004-10-06 |
JP4143412B2 (ja) | 2008-09-03 |
JP2004526315A (ja) | 2004-08-26 |
KR20030093224A (ko) | 2003-12-06 |
GB2388701A (en) | 2003-11-19 |
WO2002073226A3 (en) | 2003-10-16 |
US20040095690A1 (en) | 2004-05-20 |
GB0318617D0 (en) | 2003-09-10 |
AU2002242826A1 (en) | 2002-09-24 |
US20020131215A1 (en) | 2002-09-19 |
US7166173B2 (en) | 2007-01-23 |
WO2002073226A2 (en) | 2002-09-19 |
KR100553147B1 (ko) | 2006-02-22 |
CN1479874A (zh) | 2004-03-03 |
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