KR20010062244A - 반도체 디바이스가 집적된 자기 랜덤 액세스 메모리 셀 - Google Patents

반도체 디바이스가 집적된 자기 랜덤 액세스 메모리 셀 Download PDF

Info

Publication number
KR20010062244A
KR20010062244A KR1020000074505A KR20000074505A KR20010062244A KR 20010062244 A KR20010062244 A KR 20010062244A KR 1020000074505 A KR1020000074505 A KR 1020000074505A KR 20000074505 A KR20000074505 A KR 20000074505A KR 20010062244 A KR20010062244 A KR 20010062244A
Authority
KR
South Korea
Prior art keywords
layer
ferromagnetic
magnetic
ferromagnetic material
cell
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.)
Withdrawn
Application number
KR1020000074505A
Other languages
English (en)
Korean (ko)
Inventor
사이드 테라니
징 시
Original Assignee
비센트 비.인그라시아, 알크 엠 아헨
모토로라 인코포레이티드
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 비센트 비.인그라시아, 알크 엠 아헨, 모토로라 인코포레이티드 filed Critical 비센트 비.인그라시아, 알크 엠 아헨
Publication of KR20010062244A publication Critical patent/KR20010062244A/ko
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B61/00Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H10B61/10Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having two electrodes, e.g. diodes or MIM elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15Digital 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
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10BELECTRONIC MEMORY DEVICES
    • H10B61/00Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
    • H10B61/20Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
    • H10B61/22Magnetic 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)
  • Computer Hardware Design (AREA)
  • Semiconductor Memories (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Junction Field-Effect Transistors (AREA)
KR1020000074505A 1999-12-13 2000-12-08 반도체 디바이스가 집적된 자기 랜덤 액세스 메모리 셀 Withdrawn KR20010062244A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/460,056 1999-12-13
US09/460,056 US6285581B1 (en) 1999-12-13 1999-12-13 MRAM having semiconductor device integrated therein

Publications (1)

Publication Number Publication Date
KR20010062244A true KR20010062244A (ko) 2001-07-07

Family

ID=23827246

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000074505A Withdrawn KR20010062244A (ko) 1999-12-13 2000-12-08 반도체 디바이스가 집적된 자기 랜덤 액세스 메모리 셀

Country Status (7)

Country Link
US (1) US6285581B1 (https=)
EP (1) EP1109169B1 (https=)
JP (1) JP2001203332A (https=)
KR (1) KR20010062244A (https=)
CN (1) CN1200430C (https=)
DE (1) DE60021997T2 (https=)
SG (1) SG88806A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100465598B1 (ko) * 2001-12-26 2005-01-13 주식회사 하이닉스반도체 쇼트키 다이오드를 이용한 마그네틱 램
KR100728586B1 (ko) * 2003-04-11 2007-06-14 샤프 가부시키가이샤 메모리 셀, 기억장치 및 메모리 셀의 제조방법

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW440835B (en) * 1998-09-30 2001-06-16 Siemens Ag Magnetoresistive memory with raised interference security
JP4027041B2 (ja) * 1999-03-19 2007-12-26 インフィネオン テクノロジース アクチエンゲゼルシャフト メモリセル装置及びその製造方法
JP4491870B2 (ja) * 1999-10-27 2010-06-30 ソニー株式会社 不揮発性メモリの駆動方法
EP1134743A3 (en) * 2000-03-13 2002-04-10 Matsushita Electric Industrial Co., Ltd. Magneto-resistive device and magneto-resistive effect type storage device
JP3604617B2 (ja) * 2000-06-12 2004-12-22 富士通株式会社 磁気検出素子
US6351409B1 (en) * 2001-01-04 2002-02-26 Motorola, Inc. MRAM write apparatus and method
US6649423B2 (en) * 2001-10-04 2003-11-18 Hewlett-Packard Development Company, L.P. Method for modifying switching field characteristics of magnetic tunnel junctions
US6545906B1 (en) 2001-10-16 2003-04-08 Motorola, Inc. Method of writing to scalable magnetoresistance random access memory element
US6636436B2 (en) 2001-10-25 2003-10-21 Hewlett-Packard Development Company, L.P. Isolation of memory cells in cross point arrays
US20030229058A1 (en) * 2001-11-13 2003-12-11 Moran Edmund J. Aryl aniline beta2 adrenergic receptor agonists
JP4157707B2 (ja) * 2002-01-16 2008-10-01 株式会社東芝 磁気メモリ
DE10209508B4 (de) * 2002-03-05 2009-01-15 Forschungszentrum Jülich GmbH Verfahren zur Speicherung von Daten in einem MRAM-Datenspeicher
US6927073B2 (en) * 2002-05-16 2005-08-09 Nova Research, Inc. Methods of fabricating magnetoresistive memory devices
US7095646B2 (en) 2002-07-17 2006-08-22 Freescale Semiconductor, Inc. Multi-state magnetoresistance random access cell with improved memory storage density
JP3643823B2 (ja) 2002-09-30 2005-04-27 株式会社東芝 磁気抵抗効果素子
US6809388B2 (en) * 2002-10-31 2004-10-26 Hewlett-Packard Development Company, L.P. Magnetic sensor based on efficient spin injection into semiconductors
US20040089905A1 (en) * 2002-10-31 2004-05-13 Ossipov Viatcheslav V. Magnetic sensor using spin injection through a semiconductor with a graded doping profile
CN100533589C (zh) * 2002-11-26 2009-08-26 株式会社东芝 磁单元和磁存储器
JP2004179483A (ja) * 2002-11-28 2004-06-24 Hitachi Ltd 不揮発性磁気メモリ
KR100681379B1 (ko) * 2003-03-07 2007-02-12 도꾸리쯔교세이호징 가가꾸 기쥬쯔 신꼬 기꼬 스핀 의존 전달 특성을 갖는 전계 효과 트랜지스터 및그것을 이용한 비휘발성 메모리
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
JP2005109263A (ja) * 2003-09-30 2005-04-21 Toshiba Corp 磁性体素子及磁気メモリ
US6947333B2 (en) * 2003-10-30 2005-09-20 Hewlett-Packard Development Company, L.P. Memory device
US7129098B2 (en) 2004-11-24 2006-10-31 Freescale Semiconductor, Inc. Reduced power magnetoresistive random access memory elements
EP1662510B1 (en) * 2004-11-30 2010-07-21 Kabushiki Kaisha Toshiba Arrangement of write lines in an MRAM device
CN100459149C (zh) * 2005-03-24 2009-02-04 株式会社日立制作所 导电控制器件
EP1934984B1 (en) 2005-09-30 2011-05-18 Nxp B.V. Nanowire magnetic random access memory
US7732881B2 (en) * 2006-11-01 2010-06-08 Avalanche Technology, Inc. Current-confined effect of magnetic nano-current-channel (NCC) for magnetic random access memory (MRAM)
US20070253245A1 (en) * 2006-04-27 2007-11-01 Yadav Technology High Capacity Low Cost Multi-Stacked Cross-Line Magnetic Memory
US8508984B2 (en) * 2006-02-25 2013-08-13 Avalanche Technology, Inc. Low resistance high-TMR magnetic tunnel junction and process for fabrication thereof
US20080246104A1 (en) * 2007-02-12 2008-10-09 Yadav Technology High Capacity Low Cost Multi-State Magnetic Memory
US8058696B2 (en) * 2006-02-25 2011-11-15 Avalanche Technology, Inc. High capacity low cost multi-state magnetic memory
US8084835B2 (en) * 2006-10-20 2011-12-27 Avalanche Technology, Inc. Non-uniform switching based non-volatile magnetic based memory
US8018011B2 (en) * 2007-02-12 2011-09-13 Avalanche Technology, Inc. Low cost multi-state magnetic memory
US8535952B2 (en) * 2006-02-25 2013-09-17 Avalanche Technology, Inc. Method for manufacturing non-volatile magnetic memory
US8063459B2 (en) * 2007-02-12 2011-11-22 Avalanche Technologies, Inc. Non-volatile magnetic memory element with graded layer
US8183652B2 (en) * 2007-02-12 2012-05-22 Avalanche Technology, Inc. Non-volatile magnetic memory with low switching current and high thermal stability
JP5072392B2 (ja) * 2007-03-08 2012-11-14 株式会社東芝 縦型スピントランジスタ及びその製造方法
JP2009064826A (ja) * 2007-09-04 2009-03-26 Tdk Corp スピントランジスタ及びその製造方法
JP5455313B2 (ja) * 2008-02-21 2014-03-26 株式会社東芝 磁気記憶素子及び磁気記憶装置
WO2009107780A1 (ja) * 2008-02-28 2009-09-03 日本電気株式会社 磁気抵抗記憶装置及びその動作方法
US8802451B2 (en) 2008-02-29 2014-08-12 Avalanche Technology Inc. Method for manufacturing high density non-volatile magnetic memory
JP4908540B2 (ja) 2009-03-25 2012-04-04 株式会社東芝 スピンmosfetおよびリコンフィギャラブルロジック回路
US7986572B2 (en) * 2009-08-17 2011-07-26 Magic Technologies, Inc. Magnetic memory capable of minimizing gate voltage stress in unselected memory cells
JP2013089890A (ja) * 2011-10-21 2013-05-13 Toshiba Corp 磁気記憶素子
TWI559450B (zh) * 2014-04-18 2016-11-21 力晶科技股份有限公司 記憶體結構及其操作方法
RU2573200C2 (ru) * 2014-11-20 2016-01-20 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский университет "Московский институт электронной техники" Магниторезистивная ячейка памяти и способ ее использования
CN109859785B (zh) * 2019-01-11 2020-11-06 中电海康集团有限公司 一种时钟自适应访问mram的装置
WO2020160358A1 (en) * 2019-01-31 2020-08-06 Northwestern University Magnetic memory device using doped semiconductor layer

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780848A (en) 1986-06-03 1988-10-25 Honeywell Inc. Magnetoresistive memory with multi-layer storage cells having layers of limited thickness
US5343422A (en) 1993-02-23 1994-08-30 International Business Machines Corporation Nonvolatile magnetoresistive storage device using spin valve effect
DE4320514A1 (de) * 1993-06-22 1995-01-05 Forschungszentrum Juelich Gmbh Neues optisches Schreibverfahren und Schichtsystem für magnetooptische Datenspeicher
US5745408A (en) * 1996-09-09 1998-04-28 Motorola, Inc. Multi-layer magnetic memory cell with low switching current
US5734605A (en) 1996-09-10 1998-03-31 Motorola, Inc. Multi-layer magnetic tunneling junction memory cells
JP3655445B2 (ja) * 1996-09-17 2005-06-02 株式会社東芝 光半導体装置
DE69723963T2 (de) * 1996-12-02 2004-06-17 Koninklijke Philips Electronics N.V. Seitliche magento-elektronische vorrichtung unter ausnutzung eines quasi zwei-dimensionalen elektrogases
US5774394A (en) * 1997-05-22 1998-06-30 Motorola, Inc. Magnetic memory cell with increased GMR ratio
US5838608A (en) * 1997-06-16 1998-11-17 Motorola, Inc. Multi-layer magnetic random access memory and method for fabricating thereof
US5959880A (en) * 1997-12-18 1999-09-28 Motorola, Inc. Low aspect ratio magnetoresistive tunneling junction
US6069820A (en) * 1998-02-20 2000-05-30 Kabushiki Kaisha Toshiba Spin dependent conduction device
US5943574A (en) 1998-02-23 1999-08-24 Motorola, Inc. Method of fabricating 3D multilayer semiconductor circuits
DE69923386T2 (de) * 1998-05-13 2005-12-22 Sony Corp. Bauelement mit magnetischem Material und Adressierverfahren dafür
JPH11330387A (ja) * 1998-05-13 1999-11-30 Sony Corp 磁化制御方法、情報記録方法及び情報記録素子
JP4076197B2 (ja) * 1999-05-19 2008-04-16 株式会社東芝 磁性素子、記憶装置、磁気再生ヘッド、3端子素子、及び磁気ディスク装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100465598B1 (ko) * 2001-12-26 2005-01-13 주식회사 하이닉스반도체 쇼트키 다이오드를 이용한 마그네틱 램
KR100728586B1 (ko) * 2003-04-11 2007-06-14 샤프 가부시키가이샤 메모리 셀, 기억장치 및 메모리 셀의 제조방법

Also Published As

Publication number Publication date
CN1300077A (zh) 2001-06-20
US6285581B1 (en) 2001-09-04
EP1109169B1 (en) 2005-08-17
CN1200430C (zh) 2005-05-04
DE60021997T2 (de) 2006-01-26
EP1109169A3 (en) 2001-09-19
DE60021997D1 (de) 2005-09-22
EP1109169A2 (en) 2001-06-20
SG88806A1 (en) 2002-05-21
JP2001203332A (ja) 2001-07-27

Similar Documents

Publication Publication Date Title
EP1109169B1 (en) MRAM having semiconductor device integrated therein
KR100606166B1 (ko) 엠램 메모리
Daughton Magnetic tunneling applied to memory
US7443718B2 (en) Magnetic memory device
CN100490005C (zh) 多位磁性存储器
US7109539B2 (en) Multiple-bit magnetic random access memory cell employing adiabatic switching
KR100450794B1 (ko) 마그네틱 랜덤 엑세스 메모리 및 그 작동 방법
US6421271B1 (en) MRAM configuration
CN100447892C (zh) 具有软基准层的磁存储器件
US8164948B2 (en) Spintronic devices with integrated transistors
EP1603168B1 (en) Field-effect transistor with spin-dependent transmission characteristic with half-metal source and drain
US7382643B2 (en) Magnetoresistive effect element and magnetic memory device
US6211559B1 (en) Symmetric magnetic tunnel device
US20080062750A1 (en) Magnetic random access memory devices including magnets adjacent magnetic tunnel junction structures and related methods
US20060152973A1 (en) Multi-sensing level MRAM structure with different magneto-resistance ratios
KR20030074469A (ko) 자기 메모리 디바이스와 정보 저장 디바이스
CN100466094C (zh) 电阻交叉点阵列中多比特存储单元存储器
US8659939B2 (en) Spin-torque memory with unidirectional write scheme
US6862210B2 (en) Magnetic random access memory for storing information utilizing magneto-resistive effects
JP2007518216A (ja) 磁気トンネル接合用の分離書込みおよび読出しアクセスアーキテクチャ
US6873542B2 (en) Antiferromagnetically coupled bi-layer sensor for magnetic random access memory
US7099176B2 (en) Non-orthogonal write line structure in MRAM
JP4415146B2 (ja) 強磁性半導体を用いた電界効果トランジスタと及びこれを用いた不揮発性メモリ
US5838607A (en) Spin polarized apparatus
JP4370747B2 (ja) 情報記憶装置およびその書き込み方法

Legal Events

Date Code Title Description
PA0109 Patent application

St.27 status event code: A-0-1-A10-A12-nap-PA0109

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

N231 Notification of change of applicant
PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

PC1203 Withdrawal of no request for examination

St.27 status event code: N-1-6-B10-B12-nap-PC1203

WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid
R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

R18-X000 Changes to party contact information recorded

St.27 status event code: A-3-3-R10-R18-oth-X000

PN2301 Change of applicant

St.27 status event code: A-3-3-R10-R13-asn-PN2301

St.27 status event code: A-3-3-R10-R11-asn-PN2301

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000

P22-X000 Classification modified

St.27 status event code: A-2-2-P10-P22-nap-X000