KR101323784B1 - 정적 자계 보조 저항성 감지 소자 - Google Patents
정적 자계 보조 저항성 감지 소자 Download PDFInfo
- Publication number
- KR101323784B1 KR101323784B1 KR1020127003806A KR20127003806A KR101323784B1 KR 101323784 B1 KR101323784 B1 KR 101323784B1 KR 1020127003806 A KR1020127003806 A KR 1020127003806A KR 20127003806 A KR20127003806 A KR 20127003806A KR 101323784 B1 KR101323784 B1 KR 101323784B1
- Authority
- KR
- South Korea
- Prior art keywords
- region
- pinned
- mtj
- magnetic moment
- zero
- 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.)
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/15—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1659—Cell access
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/165—Auxiliary circuits
- G11C11/1675—Writing or programming circuits or methods
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Hall/Mr Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/501,902 | 2009-07-13 | ||
| US12/501,902 US7999337B2 (en) | 2009-07-13 | 2009-07-13 | Static magnetic field assisted resistive sense element |
| PCT/US2010/041303 WO2011008616A1 (en) | 2009-07-13 | 2010-07-08 | Static magnetic field assisted resistive sense element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120046254A KR20120046254A (ko) | 2012-05-09 |
| KR101323784B1 true KR101323784B1 (ko) | 2013-10-31 |
Family
ID=42667978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127003806A Active KR101323784B1 (ko) | 2009-07-13 | 2010-07-08 | 정적 자계 보조 저항성 감지 소자 |
Country Status (5)
| Country | Link |
|---|---|
| US (4) | US7999337B2 (enExample) |
| JP (2) | JP5730301B2 (enExample) |
| KR (1) | KR101323784B1 (enExample) |
| CN (1) | CN102473449A (enExample) |
| WO (1) | WO2011008616A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170116180A (ko) * | 2009-09-17 | 2017-10-18 | 아이아이아이 홀딩스 3, 엘엘씨 | 자기저항소자 및 이를 이용한 비휘발성 반도체 기억장치 |
| CN102226835A (zh) * | 2011-04-06 | 2011-10-26 | 江苏多维科技有限公司 | 单一芯片双轴磁场传感器及其制备方法 |
| KR101929583B1 (ko) * | 2012-06-13 | 2018-12-14 | 에스케이하이닉스 주식회사 | 비휘발성 자기 메모리 소자 |
| US8901687B2 (en) | 2012-11-27 | 2014-12-02 | Industrial Technology Research Institute | Magnetic device with a substrate, a sensing block and a repair layer |
| US20140355336A1 (en) * | 2013-06-04 | 2014-12-04 | Kabushiki Kaisha Toshiba | Semiconductor memory device |
| US9741927B2 (en) | 2014-04-10 | 2017-08-22 | Samsung Electronics Co., Ltd. | Method and system for providing magnetic junctions having a gradient in magnetic ordering temperature |
| US9461094B2 (en) | 2014-07-17 | 2016-10-04 | Qualcomm Incorporated | Switching film structure for magnetic random access memory (MRAM) cell |
| US9715915B2 (en) * | 2014-10-30 | 2017-07-25 | Samsung Electronics Co., Ltd. | Magneto-resistive devices including a free layer having different magnetic properties during operations |
| KR102466342B1 (ko) | 2015-06-11 | 2022-11-15 | 삼성전자주식회사 | 자기 메모리 소자 |
| US9799386B1 (en) * | 2016-08-30 | 2017-10-24 | International Business Machines Corporation | STT MRAM midpoint reference cell allowing full write |
| US9911483B1 (en) * | 2017-03-21 | 2018-03-06 | International Business Machines Corporation | Thermally-assisted spin transfer torque memory with improved bit error rate performance |
| CN116018053B (zh) * | 2022-12-06 | 2025-09-09 | 中国科学院上海微系统与信息技术研究所 | 一种热辅助型磁性器件、存算一体阵列以及运算方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030143431A1 (en) | 2002-01-25 | 2003-07-31 | Naoya Hasegawa | CPP magnetic sensing element in which pinned magnetic layers of upper and lower multilayer films are magnetized antiparallel to each other, method for making the same, and magnetic sensing device including the same |
| US20070165449A1 (en) | 2003-10-31 | 2007-07-19 | Agency For Science, Technology And Research | Nano-contacted magnetic memory device |
| US20080291721A1 (en) | 2007-05-21 | 2008-11-27 | Grandis, Inc. | Method and system for providing a spin transfer device with improved switching characteristics |
| WO2008154519A1 (en) | 2007-06-12 | 2008-12-18 | Grandis, Inc. | Method and system for providing a magnetic element and magnetic memory being unidirectional writing enabled |
Family Cites Families (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10214159B4 (de) * | 2002-03-28 | 2008-03-20 | Qimonda Ag | Verfahren zur Herstellung einer Referenzschicht für MRAM-Speicherzellen |
| US6654278B1 (en) * | 2002-07-31 | 2003-11-25 | Motorola, Inc. | Magnetoresistance random access memory |
| US6714444B2 (en) | 2002-08-06 | 2004-03-30 | Grandis, Inc. | Magnetic element utilizing spin transfer and an MRAM device using the magnetic element |
| JP2004165451A (ja) * | 2002-11-13 | 2004-06-10 | Sony Corp | 磁気記憶素子及び磁気記憶素子の記録方法 |
| US6933155B2 (en) * | 2003-05-21 | 2005-08-23 | Grandis, Inc. | Methods for providing a sub .15 micron magnetic memory structure |
| US7573737B2 (en) | 2003-08-19 | 2009-08-11 | New York University | High speed low power magnetic devices based on current induced spin-momentum transfer |
| US6980469B2 (en) | 2003-08-19 | 2005-12-27 | New York University | High speed low power magnetic devices based on current induced spin-momentum transfer |
| US7245462B2 (en) | 2003-08-21 | 2007-07-17 | Grandis, Inc. | Magnetoresistive element having reduced spin transfer induced noise |
| KR101001742B1 (ko) * | 2003-10-24 | 2010-12-15 | 삼성전자주식회사 | 자기 램 및 그 제조방법 |
| US6819586B1 (en) | 2003-10-24 | 2004-11-16 | Hewlett-Packard Development Company, L.P. | Thermally-assisted magnetic memory structures |
| KR100988086B1 (ko) * | 2003-11-14 | 2010-10-18 | 삼성전자주식회사 | 자기 모멘트가 낮은 프리 자성막을 구비하는 자기터널접합셀 및 이를 포함하는 자기램 |
| US6930369B2 (en) | 2003-11-14 | 2005-08-16 | Hewlett-Packard Development Company, L.P. | Thin film device and a method of providing thermal assistance therein |
| US7242045B2 (en) | 2004-02-19 | 2007-07-10 | Grandis, Inc. | Spin transfer magnetic element having low saturation magnetization free layers |
| US7102920B2 (en) | 2004-03-23 | 2006-09-05 | Hewlett-Packard Development Company, L.P. | Soft-reference three conductor magnetic memory storage device |
| US7372116B2 (en) | 2004-06-16 | 2008-05-13 | Hitachi Global Storage Technologies Netherlands B.V. | Heat assisted switching in an MRAM cell utilizing the antiferromagnetic to ferromagnetic transition in FeRh |
| US7126202B2 (en) | 2004-11-16 | 2006-10-24 | Grandis, Inc. | Spin scattering and heat assisted switching of a magnetic element |
| US7241631B2 (en) | 2004-12-29 | 2007-07-10 | Grandis, Inc. | MTJ elements with high spin polarization layers configured for spin-transfer switching and spintronics devices using the magnetic elements |
| US7180770B2 (en) | 2005-03-24 | 2007-02-20 | Hewlett-Packard Development Company, L.P. | Series diode thermally assisted MRAM |
| US7230265B2 (en) * | 2005-05-16 | 2007-06-12 | International Business Machines Corporation | Spin-polarization devices using rare earth-transition metal alloys |
| US7515457B2 (en) | 2006-02-24 | 2009-04-07 | Grandis, Inc. | Current driven memory cells having enhanced current and enhanced current symmetry |
| JP2008028362A (ja) * | 2006-06-22 | 2008-02-07 | Toshiba Corp | 磁気抵抗素子及び磁気メモリ |
| US7573736B2 (en) | 2007-05-22 | 2009-08-11 | Taiwan Semiconductor Manufacturing Company | Spin torque transfer MRAM device |
| JP5586473B2 (ja) * | 2007-12-13 | 2014-09-10 | クロッカス・テクノロジー・ソシエテ・アノニム | 熱支援書き込み手順を備える磁気メモリ装置と方法 |
| EP2224477B1 (en) * | 2007-12-19 | 2017-05-31 | III Holdings 3, LLC | Magnetic memory element, method for driving the magnetic memory element, and nonvolatile storage device |
| US7804709B2 (en) | 2008-07-18 | 2010-09-28 | Seagate Technology Llc | Diode assisted switching spin-transfer torque memory unit |
| WO2010021213A1 (ja) * | 2008-08-18 | 2010-02-25 | 日本電気株式会社 | 磁気抵抗記憶装置 |
-
2009
- 2009-07-13 US US12/501,902 patent/US7999337B2/en not_active Expired - Fee Related
-
2010
- 2010-07-08 WO PCT/US2010/041303 patent/WO2011008616A1/en not_active Ceased
- 2010-07-08 CN CN2010800324015A patent/CN102473449A/zh active Pending
- 2010-07-08 JP JP2012520673A patent/JP5730301B2/ja not_active Expired - Fee Related
- 2010-07-08 KR KR1020127003806A patent/KR101323784B1/ko active Active
-
2011
- 2011-03-03 US US13/040,155 patent/US8466524B2/en not_active Expired - Fee Related
- 2011-03-03 US US13/040,163 patent/US8466525B2/en not_active Expired - Fee Related
- 2011-05-27 US US13/117,953 patent/US8183654B2/en not_active Expired - Fee Related
-
2013
- 2013-03-21 JP JP2013058395A patent/JP5730933B2/ja not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030143431A1 (en) | 2002-01-25 | 2003-07-31 | Naoya Hasegawa | CPP magnetic sensing element in which pinned magnetic layers of upper and lower multilayer films are magnetized antiparallel to each other, method for making the same, and magnetic sensing device including the same |
| US20070165449A1 (en) | 2003-10-31 | 2007-07-19 | Agency For Science, Technology And Research | Nano-contacted magnetic memory device |
| US20080291721A1 (en) | 2007-05-21 | 2008-11-27 | Grandis, Inc. | Method and system for providing a spin transfer device with improved switching characteristics |
| WO2008154519A1 (en) | 2007-06-12 | 2008-12-18 | Grandis, Inc. | Method and system for providing a magnetic element and magnetic memory being unidirectional writing enabled |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110149641A1 (en) | 2011-06-23 |
| US20110149642A1 (en) | 2011-06-23 |
| WO2011008616A1 (en) | 2011-01-20 |
| US8466524B2 (en) | 2013-06-18 |
| US8466525B2 (en) | 2013-06-18 |
| JP2012533190A (ja) | 2012-12-20 |
| US7999337B2 (en) | 2011-08-16 |
| JP5730301B2 (ja) | 2015-06-10 |
| CN102473449A (zh) | 2012-05-23 |
| JP5730933B2 (ja) | 2015-06-10 |
| US20110007430A1 (en) | 2011-01-13 |
| US8183654B2 (en) | 2012-05-22 |
| US20110228597A1 (en) | 2011-09-22 |
| JP2013153194A (ja) | 2013-08-08 |
| KR20120046254A (ko) | 2012-05-09 |
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