CN1200430C - 具有集成的半导体器件的mram - Google Patents
具有集成的半导体器件的mram Download PDFInfo
- Publication number
- CN1200430C CN1200430C CNB001352547A CN00135254A CN1200430C CN 1200430 C CN1200430 C CN 1200430C CN B001352547 A CNB001352547 A CN B001352547A CN 00135254 A CN00135254 A CN 00135254A CN 1200430 C CN1200430 C CN 1200430C
- Authority
- CN
- China
- Prior art keywords
- layer
- ferromagnetic
- magnetic
- ferromagnetic layer
- semiconductor
- 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
Links
Images
Classifications
-
- 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
- H10B61/10—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having two electrodes, e.g. diodes or MIM elements
-
- 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
-
- 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)
- Computer Hardware Design (AREA)
- Semiconductor Memories (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Junction Field-Effect Transistors (AREA)
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 (2)
| Publication Number | Publication Date |
|---|---|
| CN1300077A CN1300077A (zh) | 2001-06-20 |
| CN1200430C true CN1200430C (zh) | 2005-05-04 |
Family
ID=23827246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB001352547A Expired - Fee Related CN1200430C (zh) | 1999-12-13 | 2000-12-12 | 具有集成的半导体器件的mram |
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=) |
Families Citing this family (52)
| 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 |
| KR100465598B1 (ko) * | 2001-12-26 | 2005-01-13 | 주식회사 하이닉스반도체 | 쇼트키 다이오드를 이용한 마그네틱 램 |
| 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 |
| JP2004319587A (ja) * | 2003-04-11 | 2004-11-11 | Sharp Corp | メモリセル、メモリ装置及びメモリセル製造方法 |
| 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)
| 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 |
-
1999
- 1999-12-13 US US09/460,056 patent/US6285581B1/en not_active Expired - Lifetime
-
2000
- 2000-11-28 JP JP2000361340A patent/JP2001203332A/ja active Pending
- 2000-12-08 KR KR1020000074505A patent/KR20010062244A/ko not_active Withdrawn
- 2000-12-08 SG SG200007284A patent/SG88806A1/en unknown
- 2000-12-11 EP EP00127096A patent/EP1109169B1/en not_active Expired - Lifetime
- 2000-12-11 DE DE60021997T patent/DE60021997T2/de not_active Expired - Fee Related
- 2000-12-12 CN CNB001352547A patent/CN1200430C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1300077A (zh) | 2001-06-20 |
| KR20010062244A (ko) | 2001-07-07 |
| US6285581B1 (en) | 2001-09-04 |
| EP1109169B1 (en) | 2005-08-17 |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FREEDOM SEMICONDUCTORS CO. Free format text: FORMER OWNER: MOTOROLA, INC. Effective date: 20040820 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20040820 Address after: Texas in the United States Applicant after: FreeScale Semiconductor Address before: Illinois Instrunment Applicant before: Motorola, Inc. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090306 Address after: Arizona USA Patentee after: EVERSPIN TECHNOLOGIES, Inc. Address before: Texas in the United States Patentee before: FreeScale Semiconductor |
|
| ASS | Succession or assignment of patent right |
Owner name: EVERSPIN TECHNOLOGIES, INC. Free format text: FORMER OWNER: FREEDOM SEMICONDUCTORS CO. Effective date: 20090306 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050504 Termination date: 20131212 |