JP2003188358A5 - - Google Patents
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- Publication number
- JP2003188358A5 JP2003188358A5 JP2002273448A JP2002273448A JP2003188358A5 JP 2003188358 A5 JP2003188358 A5 JP 2003188358A5 JP 2002273448 A JP2002273448 A JP 2002273448A JP 2002273448 A JP2002273448 A JP 2002273448A JP 2003188358 A5 JP2003188358 A5 JP 2003188358A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- storage device
- conductor
- information storage
- magnetic memory
- 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
- 230000005291 magnetic effect Effects 0.000 claims 11
- 239000004020 conductor Substances 0.000 claims 10
- 230000005294 ferromagnetic effect Effects 0.000 claims 6
- 125000006850 spacer group Chemical group 0.000 claims 5
- 230000005415 magnetization Effects 0.000 claims 4
- 239000012212 insulator Substances 0.000 claims 3
- 230000004888 barrier function Effects 0.000 claims 2
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/963171 | 2001-09-25 | ||
| US09/963,171 US6576969B2 (en) | 2001-09-25 | 2001-09-25 | Magneto-resistive device having soft reference layer |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003188358A JP2003188358A (ja) | 2003-07-04 |
| JP2003188358A5 true JP2003188358A5 (enExample) | 2005-04-28 |
| JP4226295B2 JP4226295B2 (ja) | 2009-02-18 |
Family
ID=25506840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002273448A Expired - Fee Related JP4226295B2 (ja) | 2001-09-25 | 2002-09-19 | 磁気的に軟らかい基準層を有する磁気抵抗素子 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US6576969B2 (enExample) |
| EP (1) | EP1298669A3 (enExample) |
| JP (1) | JP4226295B2 (enExample) |
| KR (1) | KR100910571B1 (enExample) |
| CN (1) | CN100350495C (enExample) |
| TW (1) | TWI269429B (enExample) |
Families Citing this family (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002163809A (ja) * | 2000-11-22 | 2002-06-07 | Sony Corp | 磁気抵抗効果素子の製造方法と磁気抵抗効果型磁気ヘッドの製造方法 |
| US6936903B2 (en) * | 2001-09-25 | 2005-08-30 | Hewlett-Packard Development Company, L.P. | Magnetic memory cell having a soft reference layer |
| US6795281B2 (en) * | 2001-09-25 | 2004-09-21 | Hewlett-Packard Development Company, L.P. | Magneto-resistive device including soft synthetic ferrimagnet reference layer |
| US6545906B1 (en) | 2001-10-16 | 2003-04-08 | Motorola, Inc. | Method of writing to scalable magnetoresistance random access memory element |
| JP2003124445A (ja) * | 2001-10-17 | 2003-04-25 | Nec Corp | 磁性記憶装置とその製造方法 |
| JP2003151262A (ja) * | 2001-11-15 | 2003-05-23 | Toshiba Corp | 磁気ランダムアクセスメモリ |
| DE10158795B4 (de) * | 2001-11-30 | 2005-12-22 | Infineon Technologies Ag | Magnetoresistive Speicherzelle mit dynamischer Referenzschicht |
| US6967350B2 (en) * | 2002-04-02 | 2005-11-22 | Hewlett-Packard Development Company, L.P. | Memory structures |
| DE10214946B4 (de) * | 2002-04-04 | 2006-01-19 | "Stiftung Caesar" (Center Of Advanced European Studies And Research) | TMR-Sensor |
| US6850433B2 (en) * | 2002-07-15 | 2005-02-01 | Hewlett-Packard Development Company, Lp. | Magnetic memory device and method |
| US7095646B2 (en) | 2002-07-17 | 2006-08-22 | Freescale Semiconductor, Inc. | Multi-state magnetoresistance random access cell with improved memory storage density |
| US6654278B1 (en) * | 2002-07-31 | 2003-11-25 | Motorola, Inc. | Magnetoresistance random access memory |
| JP3788964B2 (ja) * | 2002-09-10 | 2006-06-21 | 株式会社東芝 | 磁気ランダムアクセスメモリ |
| US6870758B2 (en) * | 2002-10-30 | 2005-03-22 | Hewlett-Packard Development Company, L.P. | Magnetic memory device and methods for making same |
| JP2004296000A (ja) * | 2003-03-27 | 2004-10-21 | Hitachi Ltd | 磁気抵抗効果型ヘッド、及びその製造方法 |
| KR100522943B1 (ko) * | 2003-04-25 | 2005-10-25 | 학교법인고려중앙학원 | 소자 크기 변화에 무관하게 작고 안정한 바이어스 자기장을 갖는 자기 저항 구조 |
| US6956763B2 (en) | 2003-06-27 | 2005-10-18 | Freescale Semiconductor, Inc. | MRAM element and methods for writing the MRAM element |
| US6967366B2 (en) | 2003-08-25 | 2005-11-22 | Freescale Semiconductor, Inc. | Magnetoresistive random access memory with reduced switching field variation |
| US7193889B2 (en) * | 2004-02-11 | 2007-03-20 | Hewlett-Packard Development Company, Lp. | Switching of MRAM devices having soft magnetic reference layers |
| US7102920B2 (en) * | 2004-03-23 | 2006-09-05 | Hewlett-Packard Development Company, L.P. | Soft-reference three conductor magnetic memory storage device |
| US7211874B2 (en) * | 2004-04-06 | 2007-05-01 | Headway Technologies, Inc. | Magnetic random access memory array with free layer locking mechanism |
| US7129098B2 (en) | 2004-11-24 | 2006-10-31 | Freescale Semiconductor, Inc. | Reduced power magnetoresistive random access memory elements |
| EP1705665B1 (en) * | 2005-03-24 | 2008-04-02 | Hitachi Ltd. | Conduction control device |
| KR100684893B1 (ko) * | 2005-03-28 | 2007-02-20 | 삼성전자주식회사 | 자기 메모리 장치 및 그 제조방법 |
| US7457153B1 (en) | 2005-11-23 | 2008-11-25 | Samsung Electronics Co., Ltd. | Integrated circuit memory devices having magnetic memory cells therein that utilize dual-ferromagnetic data layers |
| US7391641B2 (en) * | 2005-11-23 | 2008-06-24 | Samsung Electronics Co., Ltd. | Multi-layered magnetic memory structures |
| KR100963132B1 (ko) * | 2008-04-03 | 2010-06-15 | 한양대학교 산학협력단 | 멀티비트 강유전체 기억소자 |
| FR2966636B1 (fr) * | 2010-10-26 | 2012-12-14 | Centre Nat Rech Scient | Element magnetique inscriptible |
| WO2015047194A1 (en) * | 2013-09-24 | 2015-04-02 | National University Of Singapore | Spin orbit and spin transfer torque-based spintronics devices |
| JP2019087688A (ja) | 2017-11-09 | 2019-06-06 | Tdk株式会社 | 磁気センサ |
| JP2020042882A (ja) * | 2018-09-12 | 2020-03-19 | キオクシア株式会社 | 磁気メモリ |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841611A (en) * | 1994-05-02 | 1998-11-24 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistance effect device and magnetoresistance effect type head, memory device, and amplifying device using the same |
| US5587943A (en) * | 1995-02-13 | 1996-12-24 | Integrated Microtransducer Electronics Corporation | Nonvolatile magnetoresistive memory with fully closed flux operation |
| US5585986A (en) * | 1995-05-15 | 1996-12-17 | International Business Machines Corporation | Digital magnetoresistive sensor based on the giant magnetoresistance effect |
| US5702831A (en) * | 1995-11-06 | 1997-12-30 | Motorola | Ferromagnetic GMR material |
| DE19704847A1 (de) | 1997-02-08 | 1998-08-13 | Egmo Ltd | Ventil |
| EP0875901B1 (en) * | 1997-04-28 | 2006-08-09 | Canon Kabushiki Kaisha | Magnetic thin-film memory element utilizing GMR effect, and magnetic thin-film memory |
| JPH11176149A (ja) * | 1997-12-08 | 1999-07-02 | Victor Co Of Japan Ltd | 磁性メモリー |
| US6211559B1 (en) * | 1998-02-27 | 2001-04-03 | Motorola, Inc. | Symmetric magnetic tunnel device |
| JP4095200B2 (ja) * | 1998-05-19 | 2008-06-04 | キヤノン株式会社 | 巨大磁気抵抗効果を利用したメモリ素子 |
| US6023395A (en) * | 1998-05-29 | 2000-02-08 | International Business Machines Corporation | Magnetic tunnel junction magnetoresistive sensor with in-stack biasing |
| US6034887A (en) * | 1998-08-05 | 2000-03-07 | International Business Machines Corporation | Non-volatile magnetic memory cell and devices |
| US6005800A (en) * | 1998-11-23 | 1999-12-21 | International Business Machines Corporation | Magnetic memory array with paired asymmetric memory cells for improved write margin |
| JP2000208831A (ja) * | 1999-01-18 | 2000-07-28 | Sony Corp | 磁気抵抗素子及びこれを用いた磁気デバイス |
| US6469878B1 (en) * | 1999-02-11 | 2002-10-22 | Seagate Technology Llc | Data head and method using a single antiferromagnetic material to pin multiple magnetic layers with differing orientation |
| US6166948A (en) * | 1999-09-03 | 2000-12-26 | International Business Machines Corporation | Magnetic memory array with magnetic tunnel junction memory cells having flux-closed free layers |
| JP2001101858A (ja) * | 1999-09-27 | 2001-04-13 | Victor Co Of Japan Ltd | 磁性メモリ |
| US6172904B1 (en) * | 2000-01-27 | 2001-01-09 | Hewlett-Packard Company | Magnetic memory cell with symmetric switching characteristics |
| US6538920B2 (en) * | 2001-04-02 | 2003-03-25 | Manish Sharma | Cladded read conductor for a pinned-on-the-fly soft reference layer |
-
2001
- 2001-09-25 US US09/963,171 patent/US6576969B2/en not_active Expired - Lifetime
-
2002
- 2002-08-07 TW TW091117787A patent/TWI269429B/zh not_active IP Right Cessation
- 2002-09-02 EP EP02256085A patent/EP1298669A3/en not_active Withdrawn
- 2002-09-19 JP JP2002273448A patent/JP4226295B2/ja not_active Expired - Fee Related
- 2002-09-24 CN CNB021323437A patent/CN100350495C/zh not_active Expired - Lifetime
- 2002-09-24 KR KR1020020057732A patent/KR100910571B1/ko not_active Expired - Fee Related
-
2003
- 2003-01-25 US US10/351,013 patent/US6891746B2/en not_active Expired - Lifetime
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