CN1122498A - 多层磁阻检测器 - Google Patents
多层磁阻检测器 Download PDFInfo
- Publication number
- CN1122498A CN1122498A CN94118724A CN94118724A CN1122498A CN 1122498 A CN1122498 A CN 1122498A CN 94118724 A CN94118724 A CN 94118724A CN 94118724 A CN94118724 A CN 94118724A CN 1122498 A CN1122498 A CN 1122498A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- multilayer
- magnetoresistive sensor
- layer
- ferromagnetic
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/80—Constructional details
- H10N50/85—Magnetic active materials
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- 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
- G11B2005/3996—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 large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices
Abstract
Description
Claims (90)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/173,590 US5452163A (en) | 1993-12-23 | 1993-12-23 | Multilayer magnetoresistive sensor |
US173,590 | 1993-12-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1122498A true CN1122498A (zh) | 1996-05-15 |
CN1068689C CN1068689C (zh) | 2001-07-18 |
Family
ID=22632713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94118724A Expired - Fee Related CN1068689C (zh) | 1993-12-23 | 1994-11-19 | 多层磁电阻检测器及其制造方法和磁存储系统 |
Country Status (13)
Country | Link |
---|---|
US (1) | US5452163A (zh) |
EP (1) | EP0660127B1 (zh) |
JP (1) | JP2784461B2 (zh) |
KR (1) | KR0146012B1 (zh) |
CN (1) | CN1068689C (zh) |
AT (1) | ATE221999T1 (zh) |
BR (1) | BR9405159A (zh) |
CA (1) | CA2134711A1 (zh) |
DE (1) | DE69431149T2 (zh) |
MY (1) | MY116219A (zh) |
PH (1) | PH30835A (zh) |
SG (1) | SG42849A1 (zh) |
TW (1) | TW277132B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1886804B (zh) * | 2003-11-24 | 2010-05-26 | Nxp股份有限公司 | 用于磁存储器的数据保持指示器 |
CN104900800A (zh) * | 2014-03-03 | 2015-09-09 | 北京嘉岳同乐极电子有限公司 | 用于磁敏传感器的gmr磁性纳米多层膜 |
CN113039658A (zh) * | 2018-11-19 | 2021-06-25 | 艾沃思宾技术公司 | 具有晶种区域的磁阻堆叠及其制造方法 |
CN115077571A (zh) * | 2021-12-09 | 2022-09-20 | 苏州纳芯微电子股份有限公司 | 运动数据检测装置及其传感器电路 |
CN115265605A (zh) * | 2021-12-01 | 2022-11-01 | 苏州纳芯微电子股份有限公司 | 传感器电路及运动数据检测装置 |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5657190A (en) * | 1993-03-02 | 1997-08-12 | Tdk Corporation | Apparatus for detecting a magnetic field using a giant magnetoresistance effect multilayer |
US6275411B1 (en) | 1993-07-23 | 2001-08-14 | Nonvolatile Electronics, Incorporated | Spin dependent tunneling memory |
US6021065A (en) * | 1996-09-06 | 2000-02-01 | Nonvolatile Electronics Incorporated | Spin dependent tunneling memory |
DE4425356C2 (de) * | 1993-09-29 | 1998-07-02 | Siemens Ag | Magnetoresistiver Sensor unter Verwendung eines Sensormaterials mit perowskitähnlicher Kristallstruktur |
US6002553A (en) * | 1994-02-28 | 1999-12-14 | The United States Of America As Represented By The United States Department Of Energy | Giant magnetoresistive sensor |
DE69511145T2 (de) * | 1994-03-09 | 2000-02-03 | Eastman Kodak Co | Magnetoresistiver Wiedergabekopf mit doppeltem Spin-Ventilelement |
US5874886A (en) * | 1994-07-06 | 1999-02-23 | Tdk Corporation | Magnetoresistance effect element and magnetoresistance device |
FR2722918B1 (fr) * | 1994-07-21 | 1996-08-30 | Commissariat Energie Atomique | Capteur a magnetoresistance multicouche autopolarisee |
US5648031A (en) * | 1994-07-28 | 1997-07-15 | Custom Plastics Molding, Inc. | Method of forming antislip surfaces on thermoformed products |
JP2694806B2 (ja) * | 1994-08-29 | 1997-12-24 | 日本電気株式会社 | 磁気抵抗効果素子およびその製造方法 |
JPH0877519A (ja) * | 1994-09-08 | 1996-03-22 | Fujitsu Ltd | 磁気抵抗効果型トランスジューサ |
DE69513630T2 (de) * | 1994-10-05 | 2000-06-21 | Koninkl Philips Electronics Nv | Magnetische mehrlagenanordnung, die eine doppelbarrierenstruktur mit resonantem tunneleffekt enthält |
JPH08180328A (ja) * | 1994-12-21 | 1996-07-12 | Fujitsu Ltd | スピンバルブ磁気抵抗効果素子及びその製造方法 |
US5773156A (en) * | 1995-01-26 | 1998-06-30 | Kabushiki Kaisha Toshiba | Magnetoresistance effect element |
US6510031B1 (en) * | 1995-03-31 | 2003-01-21 | International Business Machines Corporation | Magnetoresistive sensor with magnetostatic coupling to obtain opposite alignment of magnetic regions |
US6169687B1 (en) | 1995-04-21 | 2001-01-02 | Mark B. Johnson | High density and speed magneto-electronic memory for use in computing system |
US6064083A (en) * | 1995-04-21 | 2000-05-16 | Johnson; Mark B. | Hybrid hall effect memory device and method of operation |
US5652445A (en) * | 1995-04-21 | 1997-07-29 | Johnson; Mark B. | Hybrid hall effect device and method of operation |
US6741494B2 (en) * | 1995-04-21 | 2004-05-25 | Mark B. Johnson | Magnetoelectronic memory element with inductively coupled write wires |
US6140838A (en) | 1995-04-21 | 2000-10-31 | Johnson; Mark B. | High density and high speed magneto-electronic logic family |
US7050329B2 (en) * | 1995-04-21 | 2006-05-23 | Johnson Mark B | Magnetic spin based memory with inductive write lines |
US5585986A (en) * | 1995-05-15 | 1996-12-17 | International Business Machines Corporation | Digital magnetoresistive sensor based on the giant magnetoresistance effect |
US5701222A (en) * | 1995-09-11 | 1997-12-23 | International Business Machines Corporation | Spin valve sensor with antiparallel magnetization of pinned layers |
JPH09205234A (ja) * | 1996-01-26 | 1997-08-05 | Nec Corp | 磁気抵抗効果素子及び磁気抵抗効果センサ |
JP3669457B2 (ja) | 1996-03-19 | 2005-07-06 | 富士通株式会社 | 磁気記録媒体及びその製造方法 |
US5739987A (en) * | 1996-06-04 | 1998-04-14 | Read-Rite Corporation | Magnetoresistive read transducers with multiple longitudinal stabilization layers |
US5747997A (en) * | 1996-06-05 | 1998-05-05 | Regents Of The University Of Minnesota | Spin-valve magnetoresistance sensor having minimal hysteresis problems |
US6166539A (en) * | 1996-10-30 | 2000-12-26 | Regents Of The University Of Minnesota | Magnetoresistance sensor having minimal hysteresis problems |
US5793279A (en) * | 1996-08-26 | 1998-08-11 | Read-Rite Corporation | Methods and compositions for optimizing interfacial properties of magnetoresistive sensors |
US5666248A (en) * | 1996-09-13 | 1997-09-09 | International Business Machines Corporation | Magnetizations of pinned and free layers of a spin valve sensor set by sense current fields |
US5737157A (en) * | 1996-10-09 | 1998-04-07 | International Business Machines Corporation | Disk drive with a thermal asperity reduction circuitry using a magnetoresistive sensor |
US5880915A (en) | 1996-10-21 | 1999-03-09 | International Business Machines Corporation | Crack resistant magnetic write head |
WO1998038792A1 (en) * | 1997-02-28 | 1998-09-03 | University And Community College System Of Nevada | Magnetoresistive scanning system |
US5923505A (en) * | 1997-03-17 | 1999-07-13 | Read-Rite Corporation | Magnetoresistive sensor having a pinned soft magnetic layer |
US6440750B1 (en) | 1997-06-10 | 2002-08-27 | Agere Systems Guardian Corporation | Method of making integrated circuit having a micromagnetic device |
US6191495B1 (en) * | 1997-06-10 | 2001-02-20 | Lucent Technologies Inc. | Micromagnetic device having an anisotropic ferromagnetic core and method of manufacture therefor |
US5867351A (en) * | 1997-07-25 | 1999-02-02 | International Business Machines Corporation | Spin valve read head with low moment, high coercivity pinning layer |
JPH1196515A (ja) * | 1997-09-18 | 1999-04-09 | Fujitsu Ltd | Gmr磁気センサ、その製造方法、および磁気ヘッド |
JP2001507806A (ja) * | 1997-10-29 | 2001-06-12 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | スピン−トンネル接合から成る磁界センサー |
US6147900A (en) * | 1997-11-06 | 2000-11-14 | Nonvolatile Electronics, Incorporated | Spin dependent tunneling memory |
US6337215B1 (en) * | 1997-12-01 | 2002-01-08 | International Business Machines Corporation | Magnetic particles having two antiparallel ferromagnetic layers and attached affinity recognition molecules |
JP3544141B2 (ja) | 1998-05-13 | 2004-07-21 | 三菱電機株式会社 | 磁気検出素子および磁気検出装置 |
DE19854713B4 (de) * | 1998-05-13 | 2005-03-10 | Mitsubishi Electric Corp | Magnetfeld-Erfassungselement |
US6239595B1 (en) * | 1998-05-13 | 2001-05-29 | Mitsubishi Denki Kabushiki Kaisha | Magnetic field sensing element |
US6529114B1 (en) * | 1998-05-27 | 2003-03-04 | Honeywell International Inc. | Magnetic field sensing device |
DE19843349A1 (de) * | 1998-09-22 | 2000-03-23 | Bosch Gmbh Robert | Magnetoresistives Sensorelement, insbesondere Winkelsensorelement |
US6178074B1 (en) * | 1998-11-19 | 2001-01-23 | International Business Machines Corporation | Double tunnel junction with magnetoresistance enhancement layer |
US6255714B1 (en) | 1999-06-22 | 2001-07-03 | Agere Systems Guardian Corporation | Integrated circuit having a micromagnetic device including a ferromagnetic core and method of manufacture therefor |
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 |
US6600637B1 (en) * | 1999-10-28 | 2003-07-29 | Seagate Technology, L.L.C. | Edge barrier to prevent spin valve sensor corrosion and improve long term reliability |
US6404601B1 (en) | 2000-01-25 | 2002-06-11 | Read-Rite Corporation | Merged write head with magnetically isolated poletip |
US6307774B1 (en) | 2000-03-22 | 2001-10-23 | Mark B. Johnson | Magnetoelectronic memory array |
CN1459094A (zh) * | 2000-09-19 | 2003-11-26 | 西加特技术有限责任公司 | 具有独立消磁场的大磁阻传感器 |
US6885527B1 (en) * | 2000-10-26 | 2005-04-26 | Headway Technologies, Inc. | Process to manufacture a top spin valve |
US6724586B2 (en) * | 2001-03-27 | 2004-04-20 | Hitachi Global Storage Technologies Netherlands B.V. | Bias structure for magnetic tunnel junction magnetoresistive sensor |
US20020145832A1 (en) * | 2001-04-04 | 2002-10-10 | Seagate Technology Llc | Perpendicular magnetic recording head with soft underlayer biasing |
US6794862B2 (en) * | 2001-05-08 | 2004-09-21 | Ramot At Tel-Aviv University Ltd. | Magnetic thin film sensor based on the extraordinary hall effect |
US6709767B2 (en) | 2001-07-31 | 2004-03-23 | Hitachi Global Storage Technologies Netherlands B.V. | In-situ oxidized films for use as cap and gap layers in a spin-valve sensor and methods of manufacture |
DE10258860A1 (de) * | 2002-12-17 | 2004-07-15 | Robert Bosch Gmbh | Magnetoresistives Schichtsystem und Sensorelement mit diesem Schichtsystem |
US20050013060A1 (en) * | 2003-07-14 | 2005-01-20 | International Business Machines Corporation | Magnetoresistive sensor |
US7158353B2 (en) * | 2003-11-06 | 2007-01-02 | Seagate Technology Llc | Magnetoresistive sensor having specular sidewall layers |
JP4538614B2 (ja) * | 2007-10-12 | 2010-09-08 | 株式会社東芝 | 磁気抵抗効果素子の設計方法及び磁気ランダムアクセスメモリの設計方法 |
US8093892B2 (en) * | 2008-07-24 | 2012-01-10 | Infineon Technologies Ag | System with 90 degree sense layer magnetic orientation |
US8907666B2 (en) * | 2011-09-30 | 2014-12-09 | HGST Netherlands B.V. | Magnetic bias structure for magnetoresistive sensor having a scissor structure |
US8995073B1 (en) * | 2013-03-14 | 2015-03-31 | Seagate Technology Llc | Data storage mediums and devices having bit patterned media |
FR3068476B1 (fr) * | 2017-06-28 | 2019-08-02 | Centre National De La Recherche Scientifique | Dispositif de mesure de champs magnetiques faibles |
US11719772B2 (en) | 2020-04-01 | 2023-08-08 | Analog Devices International Unlimited Company | AMR (XMR) sensor with increased linear range |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US134533A (en) * | 1873-01-07 | Improvement in spring motive powers | ||
JPH07105006B2 (ja) * | 1985-11-05 | 1995-11-13 | ソニー株式会社 | 磁気抵抗効果型磁気ヘツド |
JP2613239B2 (ja) * | 1988-02-26 | 1997-05-21 | 株式会社日立製作所 | 磁気抵抗効果型ヘツド |
DE3820475C1 (zh) * | 1988-06-16 | 1989-12-21 | Kernforschungsanlage Juelich Gmbh, 5170 Juelich, De | |
US4914538A (en) * | 1988-08-18 | 1990-04-03 | International Business Machines Corporation | Magnetoresistive read transducer |
FR2648942B1 (fr) * | 1989-06-27 | 1995-08-11 | Thomson Csf | Capteur a effet magnetoresistif |
US5032945A (en) * | 1989-11-07 | 1991-07-16 | International Business Machines Corp. | Magnetic thin film structures fabricated with edge closure layers |
US5206590A (en) * | 1990-12-11 | 1993-04-27 | International Business Machines Corporation | Magnetoresistive sensor based on the spin valve effect |
JPH0536032A (ja) * | 1991-08-01 | 1993-02-12 | Hitachi Ltd | 磁気抵抗効果型ヘツド及びその製造方法 |
FR2693021B1 (fr) * | 1992-06-26 | 1994-08-26 | Thomson Csf | Détecteur de champ magnétique. |
US5343422A (en) * | 1993-02-23 | 1994-08-30 | International Business Machines Corporation | Nonvolatile magnetoresistive storage device using spin valve effect |
-
1993
- 1993-12-23 US US08/173,590 patent/US5452163A/en not_active Expired - Lifetime
-
1994
- 1994-09-23 TW TW083108817A patent/TW277132B/zh active
- 1994-10-31 CA CA002134711A patent/CA2134711A1/en not_active Abandoned
- 1994-11-02 JP JP6269414A patent/JP2784461B2/ja not_active Expired - Fee Related
- 1994-11-19 CN CN94118724A patent/CN1068689C/zh not_active Expired - Fee Related
- 1994-11-21 MY MYPI94003100A patent/MY116219A/en unknown
- 1994-11-23 KR KR1019940030840A patent/KR0146012B1/ko not_active IP Right Cessation
- 1994-12-14 PH PH49556A patent/PH30835A/en unknown
- 1994-12-16 AT AT94119895T patent/ATE221999T1/de not_active IP Right Cessation
- 1994-12-16 SG SG1996000132A patent/SG42849A1/en unknown
- 1994-12-16 DE DE69431149T patent/DE69431149T2/de not_active Expired - Fee Related
- 1994-12-16 EP EP94119895A patent/EP0660127B1/en not_active Expired - Lifetime
- 1994-12-20 BR BR9405159A patent/BR9405159A/pt not_active Application Discontinuation
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1886804B (zh) * | 2003-11-24 | 2010-05-26 | Nxp股份有限公司 | 用于磁存储器的数据保持指示器 |
CN104900800A (zh) * | 2014-03-03 | 2015-09-09 | 北京嘉岳同乐极电子有限公司 | 用于磁敏传感器的gmr磁性纳米多层膜 |
CN113039658A (zh) * | 2018-11-19 | 2021-06-25 | 艾沃思宾技术公司 | 具有晶种区域的磁阻堆叠及其制造方法 |
CN115265605A (zh) * | 2021-12-01 | 2022-11-01 | 苏州纳芯微电子股份有限公司 | 传感器电路及运动数据检测装置 |
CN115265605B (zh) * | 2021-12-01 | 2024-03-12 | 苏州纳芯微电子股份有限公司 | 传感器电路及运动数据检测装置 |
CN115077571A (zh) * | 2021-12-09 | 2022-09-20 | 苏州纳芯微电子股份有限公司 | 运动数据检测装置及其传感器电路 |
Also Published As
Publication number | Publication date |
---|---|
BR9405159A (pt) | 1995-08-01 |
KR0146012B1 (ko) | 1998-10-15 |
EP0660127A3 (en) | 1996-01-17 |
JP2784461B2 (ja) | 1998-08-06 |
EP0660127B1 (en) | 2002-08-07 |
PH30835A (en) | 1997-11-03 |
EP0660127A2 (en) | 1995-06-28 |
DE69431149T2 (de) | 2003-05-28 |
MY116219A (en) | 2003-12-31 |
JPH07210832A (ja) | 1995-08-11 |
SG42849A1 (en) | 1997-10-17 |
CN1068689C (zh) | 2001-07-18 |
CA2134711A1 (en) | 1995-06-24 |
TW277132B (zh) | 1996-06-01 |
KR950020420A (ko) | 1995-07-24 |
US5452163A (en) | 1995-09-19 |
ATE221999T1 (de) | 2002-08-15 |
DE69431149D1 (de) | 2002-09-12 |
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