JP4487472B2 - 磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ - Google Patents
磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ Download PDFInfo
- Publication number
- JP4487472B2 JP4487472B2 JP2002196662A JP2002196662A JP4487472B2 JP 4487472 B2 JP4487472 B2 JP 4487472B2 JP 2002196662 A JP2002196662 A JP 2002196662A JP 2002196662 A JP2002196662 A JP 2002196662A JP 4487472 B2 JP4487472 B2 JP 4487472B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- layer
- film
- electron
- magnetoresistive
- 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
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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
- 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
- H10N50/10—Magnetoresistive devices
-
- 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—Materials of the active region
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Measuring Magnetic Variables (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Magnetic Heads (AREA)
- Semiconductor Memories (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002196662A JP4487472B2 (ja) | 2002-07-05 | 2002-07-05 | 磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ |
| US10/331,664 US6917088B2 (en) | 2002-07-05 | 2002-12-31 | Magneto-resistive devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002196662A JP4487472B2 (ja) | 2002-07-05 | 2002-07-05 | 磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004039941A JP2004039941A (ja) | 2004-02-05 |
| JP2004039941A5 JP2004039941A5 (enExample) | 2005-09-08 |
| JP4487472B2 true JP4487472B2 (ja) | 2010-06-23 |
Family
ID=29997058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002196662A Expired - Fee Related JP4487472B2 (ja) | 2002-07-05 | 2002-07-05 | 磁気抵抗効果素子、及びこれを備える磁気ヘッド、磁気記録装置、磁気メモリ |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US6917088B2 (enExample) |
| JP (1) | JP4487472B2 (enExample) |
Families Citing this family (50)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7691215B2 (en) * | 2001-02-23 | 2010-04-06 | International Business Machines Corporation | Compounds and methods of fabricating compounds exhibiting giant magnetoresistance and spin-polarized tunneling |
| EP1267427A1 (fr) * | 2001-06-12 | 2002-12-18 | Asulab S.A. | Procédé de fabrication en grand nombre d'une multiplicité de capteurs magnétiques |
| JP2005093488A (ja) * | 2003-09-12 | 2005-04-07 | Sony Corp | 磁気抵抗効果素子とその製造方法、および磁気メモリ装置とその製造方法 |
| JP2005109242A (ja) * | 2003-09-30 | 2005-04-21 | Tdk Corp | 磁気抵抗効果素子及び磁気ヘッド |
| JP2005116703A (ja) * | 2003-10-06 | 2005-04-28 | Alps Electric Co Ltd | 磁気検出素子 |
| KR100624417B1 (ko) * | 2004-01-31 | 2006-09-18 | 삼성전자주식회사 | 터널링 자기 저항 소자 |
| US7256971B2 (en) * | 2004-03-09 | 2007-08-14 | Headway Technologies, Inc. | Process and structure to fabricate CPP spin valve heads for ultra-high recording density |
| US7331100B2 (en) * | 2004-07-07 | 2008-02-19 | Headway Technologies, Inc. | Process of manufacturing a seed/AFM combination for a CPP GMR device |
| TWI283477B (en) * | 2004-11-16 | 2007-07-01 | Ind Tech Res Inst | Magnetic random access memory with lower switching field |
| JP2006245277A (ja) | 2005-03-03 | 2006-09-14 | Alps Electric Co Ltd | 磁気検出素子 |
| JP2006278386A (ja) | 2005-03-28 | 2006-10-12 | Alps Electric Co Ltd | 磁気検出素子 |
| JP4483666B2 (ja) | 2005-04-08 | 2010-06-16 | Tdk株式会社 | 磁気検出素子及びその製造方法 |
| US7443638B2 (en) * | 2005-04-22 | 2008-10-28 | Taiwan Semiconductor Manufacturing Company Ltd. | Magnetoresistive structures and fabrication methods |
| US7655708B2 (en) * | 2005-08-18 | 2010-02-02 | Eastman Kodak Company | Polymeric black pigment dispersions and ink jet ink compositions |
| CN100392774C (zh) * | 2005-10-20 | 2008-06-04 | 中国科学院物理研究所 | 具有高自旋极化率的半金属磁性材料 |
| US7558028B2 (en) * | 2005-11-16 | 2009-07-07 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic head with improved CPP sensor using Heusler alloys |
| JP2008004811A (ja) | 2006-06-23 | 2008-01-10 | Tdk Corp | 磁界検出素子の製造方法、磁界検出素子、積層体、ウエハ、ヘッドジンバルアセンブリ、およびハードディスク装置 |
| JP2008160031A (ja) * | 2006-12-26 | 2008-07-10 | Sony Corp | 記憶素子及びメモリ |
| JP2008165940A (ja) * | 2007-01-04 | 2008-07-17 | Hitachi Global Storage Technologies Netherlands Bv | Cpp型磁気抵抗効果ヘッドおよびその製造方法 |
| US8031441B2 (en) | 2007-05-11 | 2011-10-04 | Headway Technologies, Inc. | CPP device with an enhanced dR/R ratio |
| US7911830B2 (en) * | 2007-05-17 | 2011-03-22 | Integrated Magnetoelectronics | Scalable nonvolatile memory |
| JP5278876B2 (ja) * | 2007-10-31 | 2013-09-04 | 独立行政法人産業技術総合研究所 | マイクロ波発振素子および検出素子 |
| US7936028B2 (en) * | 2007-11-09 | 2011-05-03 | Samsung Electronics Co., Ltd. | Spin field effect transistor using half metal and method of manufacturing the same |
| JP5419121B2 (ja) * | 2008-03-21 | 2014-02-19 | 国立大学法人大阪大学 | ハーフメタリック反強磁性体 |
| US8410948B2 (en) * | 2008-05-12 | 2013-04-02 | John Vander Horst | Recreational vehicle holding tank sensor probe |
| FR2932315B1 (fr) * | 2008-06-09 | 2010-06-04 | Commissariat Energie Atomique | Element magnetique tricouches, procede pour sa realisation, capteur de champ magnetique, memoire magnetique et porte logique magnetique mettant en oeuvre un tel element |
| JP5120950B2 (ja) * | 2008-08-28 | 2013-01-16 | 独立行政法人物質・材料研究機構 | 磁性薄膜素子 |
| EP2343566A4 (en) * | 2008-09-29 | 2014-04-16 | Omron Tateisi Electronics Co | MAGNETIC FIELD DETECTION ELEMENT AND SIGNAL TRANSMISSION ELEMENT |
| US8551626B2 (en) * | 2009-06-25 | 2013-10-08 | Seagate Technology Llc | CCP-CPP magnetoresistive reader with high GMR value |
| KR101042338B1 (ko) * | 2009-10-08 | 2011-06-17 | 한국과학기술연구원 | 자기터널접합 디바이스 및 그 제조 방법 |
| US8064246B2 (en) * | 2009-12-10 | 2011-11-22 | John Casimir Slonczewski | Creating spin-transfer torque in oscillators and memories |
| JP5338714B2 (ja) * | 2010-02-24 | 2013-11-13 | Tdk株式会社 | 磁気センサー、磁気検出装置、及び磁気ヘッド |
| US8692343B2 (en) | 2010-04-26 | 2014-04-08 | Headway Technologies, Inc. | MR enhancing layer (MREL) for spintronic devices |
| JP2012039010A (ja) | 2010-08-10 | 2012-02-23 | Tdk Corp | 磁気センサー及び磁気検出装置 |
| US8406045B1 (en) | 2011-01-19 | 2013-03-26 | Grandis Inc. | Three terminal magnetic element |
| US8416613B1 (en) * | 2011-04-27 | 2013-04-09 | The United States Of America As Represented By The Secretary Of The Navy | Magnetoresistive bridge nonvolatile memory device |
| TWI452319B (zh) * | 2012-01-09 | 2014-09-11 | Voltafield Technology Corp | 磁阻感測元件 |
| US9116198B2 (en) * | 2012-02-10 | 2015-08-25 | Memsic, Inc. | Planar three-axis magnetometer |
| TWI467204B (zh) * | 2012-10-19 | 2015-01-01 | Voltafield Technology Corp | 磁阻感測裝置 |
| JP2014099509A (ja) | 2012-11-14 | 2014-05-29 | Hitachi Ltd | 磁気検出装置 |
| US9244134B2 (en) * | 2013-01-15 | 2016-01-26 | Infineon Technologies Ag | XMR-sensor and method for manufacturing the XMR-sensor |
| US9164155B2 (en) | 2013-01-29 | 2015-10-20 | Infineon Technologies Ag | Systems and methods for offset reduction in sensor devices and systems |
| WO2014163121A1 (ja) * | 2013-04-05 | 2014-10-09 | 独立行政法人物質・材料研究機構 | 電流垂直型磁気抵抗効果素子 |
| US20150019147A1 (en) * | 2013-07-11 | 2015-01-15 | Qualcomm Incorporated | Method and device for estimating damage to magnetic tunnel junction (mtj) elements |
| US9605983B2 (en) * | 2014-06-09 | 2017-03-28 | Infineon Technologies Ag | Sensor device and sensor arrangement |
| US9823168B2 (en) | 2014-06-27 | 2017-11-21 | Infineon Technologies Ag | Auto tire localization systems and methods utilizing a TPMS angular position index |
| JP6553857B2 (ja) * | 2014-09-18 | 2019-07-31 | 三星電子株式会社Samsung Electronics Co.,Ltd. | 磁気トンネル接合素子及び磁気ランダムアクセスメモリ |
| US20160366279A1 (en) * | 2015-06-09 | 2016-12-15 | Reconnect Research | Telephone surveying for misdirected calls |
| JP6699635B2 (ja) * | 2017-08-18 | 2020-05-27 | Tdk株式会社 | 磁気センサ |
| KR102127043B1 (ko) * | 2018-04-17 | 2020-06-25 | 고려대학교 산학협력단 | 자기 소자 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2834231B2 (ja) | 1989-11-13 | 1998-12-09 | 株式会社日立製作所 | 磁気ヘッドおよび磁気記憶装置 |
| US5206590A (en) | 1990-12-11 | 1993-04-27 | International Business Machines Corporation | Magnetoresistive sensor based on the spin valve effect |
| US5422571A (en) * | 1993-02-08 | 1995-06-06 | International Business Machines Corporation | Magnetoresistive spin valve sensor having a nonmagnetic back layer |
| JPH07221363A (ja) | 1994-02-01 | 1995-08-18 | Fuji Electric Co Ltd | 磁気抵抗素子 |
| JPH0983039A (ja) * | 1995-09-14 | 1997-03-28 | Nec Corp | 磁気抵抗効果素子 |
| US5668688A (en) | 1996-05-24 | 1997-09-16 | Quantum Peripherals Colorado, Inc. | Current perpendicular-to-the-plane spin valve type magnetoresistive transducer |
| US5793279A (en) * | 1996-08-26 | 1998-08-11 | Read-Rite Corporation | Methods and compositions for optimizing interfacial properties of magnetoresistive sensors |
| JP3055662B2 (ja) | 1996-09-19 | 2000-06-26 | ティーディーケイ株式会社 | 強磁性トンネル接合 |
| EP1124272A1 (en) * | 1999-05-28 | 2001-08-16 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistant device, method for manufacturing the same, and magnetic component |
| JP2002198583A (ja) * | 2000-12-26 | 2002-07-12 | Hitachi Ltd | 強磁性トンネル型磁気抵抗効果素子及び磁気ヘッド |
| AU2002367881A1 (en) * | 2002-04-18 | 2003-11-03 | Seagate Technology Llc | Gmr spin valve structure using heusler alloy |
-
2002
- 2002-07-05 JP JP2002196662A patent/JP4487472B2/ja not_active Expired - Fee Related
- 2002-12-31 US US10/331,664 patent/US6917088B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US6917088B2 (en) | 2005-07-12 |
| US20040004261A1 (en) | 2004-01-08 |
| JP2004039941A (ja) | 2004-02-05 |
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