CN1221978C - 非易失性磁存储单元和器件 - Google Patents
非易失性磁存储单元和器件 Download PDFInfo
- Publication number
- CN1221978C CN1221978C CNB991106237A CN99110623A CN1221978C CN 1221978 C CN1221978 C CN 1221978C CN B991106237 A CNB991106237 A CN B991106237A CN 99110623 A CN99110623 A CN 99110623A CN 1221978 C CN1221978 C CN 1221978C
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- China
- Prior art keywords
- ferromagnetic
- transistor
- signal
- circuit
- state
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 78
- 230000015654 memory Effects 0.000 title claims abstract description 23
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 103
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 18
- 239000003302 ferromagnetic material Substances 0.000 claims abstract description 17
- 239000004020 conductor Substances 0.000 claims description 56
- 229910052802 copper Inorganic materials 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- -1 manganese-aluminum-copper Chemical compound 0.000 claims description 11
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 229910052787 antimony Inorganic materials 0.000 claims description 10
- 230000006870 function Effects 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 229910052763 palladium Inorganic materials 0.000 claims description 10
- 229910052718 tin Inorganic materials 0.000 claims description 10
- 229910052738 indium Inorganic materials 0.000 claims description 9
- 229910052727 yttrium Inorganic materials 0.000 claims description 9
- 230000000295 complement effect Effects 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 230000010354 integration Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 claims 6
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims 6
- 239000007769 metal material Substances 0.000 claims 6
- LBSANEJBGMCTBH-UHFFFAOYSA-N manganate Chemical compound [O-][Mn]([O-])(=O)=O LBSANEJBGMCTBH-UHFFFAOYSA-N 0.000 claims 1
- 230000010287 polarization Effects 0.000 abstract description 7
- 239000003990 capacitor Substances 0.000 description 16
- 230000005415 magnetization Effects 0.000 description 16
- 238000010586 diagram Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008859 change Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000003491 array Methods 0.000 description 3
- 229910001291 heusler alloy Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000005290 antiferromagnetic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910001004 magnetic alloy Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- 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
- G11C11/1675—Writing or programming circuits or methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
-
- 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)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Thin Magnetic Films (AREA)
Abstract
Description
Claims (35)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/129,827 | 1998-08-05 | ||
| US09/129827 | 1998-08-05 | ||
| US09/129,827 US6034887A (en) | 1998-08-05 | 1998-08-05 | Non-volatile magnetic memory cell and devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1244017A CN1244017A (zh) | 2000-02-09 |
| CN1221978C true CN1221978C (zh) | 2005-10-05 |
Family
ID=22441784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991106237A Expired - Lifetime CN1221978C (zh) | 1998-08-05 | 1999-07-21 | 非易失性磁存储单元和器件 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6034887A (zh) |
| JP (1) | JP3533344B2 (zh) |
| KR (1) | KR100530715B1 (zh) |
| CN (1) | CN1221978C (zh) |
| SG (1) | SG77261A1 (zh) |
| TW (1) | TW418397B (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307643C (zh) * | 2001-09-25 | 2007-03-28 | 惠普公司 | 具有软基准层的磁阻器件的读取方法 |
| CN100350495C (zh) * | 2001-09-25 | 2007-11-21 | 惠普公司 | 具有软基准层的磁阻器件 |
| CN101329897B (zh) * | 2007-06-18 | 2010-12-08 | 台湾积体电路制造股份有限公司 | 编程存储器单元的方法 |
Families Citing this family (108)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6140838A (en) * | 1995-04-21 | 2000-10-31 | Johnson; Mark B. | High density and high speed magneto-electronic logic family |
| US6741494B2 (en) * | 1995-04-21 | 2004-05-25 | Mark B. Johnson | Magnetoelectronic memory element with inductively coupled write wires |
| JP3050189B2 (ja) * | 1997-10-30 | 2000-06-12 | 日本電気株式会社 | 磁気抵抗効果素子及びその製造方法 |
| US6259644B1 (en) * | 1997-11-20 | 2001-07-10 | Hewlett-Packard Co | Equipotential sense methods for resistive cross point memory cell arrays |
| US6034887A (en) | 1998-08-05 | 2000-03-07 | International Business Machines Corporation | Non-volatile magnetic memory cell and devices |
| US6140139A (en) | 1998-12-22 | 2000-10-31 | Pageant Technologies, Inc. | Hall effect ferromagnetic random access memory device and its method of manufacture |
| US6229729B1 (en) | 1999-03-04 | 2001-05-08 | Pageant Technologies, Inc. (Micromem Technologies, Inc.) | Magneto resistor sensor with diode short for a non-volatile random access ferromagnetic memory |
| US6288929B1 (en) | 1999-03-04 | 2001-09-11 | Pageant Technologies, Inc. | Magneto resistor sensor with differential collectors for a non-volatile random access ferromagnetic memory |
| US6266267B1 (en) * | 1999-03-04 | 2001-07-24 | Pageant Technologies, Inc. | Single conductor inductive sensor for a non-volatile random access ferromagnetic memory |
| US6330183B1 (en) * | 1999-03-04 | 2001-12-11 | Pageant Technologies, Inc. (Micromem Technologies, Inc.) | Dual conductor inductive sensor for a non-volatile random access ferromagnetic memory |
| US6430660B1 (en) * | 1999-05-21 | 2002-08-06 | International Business Machines Corporation | Unified memory hard disk drive system |
| JP3593652B2 (ja) * | 2000-03-03 | 2004-11-24 | 富士通株式会社 | 磁気ランダムアクセスメモリ装置 |
| US6388912B1 (en) * | 2000-03-30 | 2002-05-14 | Intel Corporation | Quantum magnetic memory |
| JP4477199B2 (ja) * | 2000-06-16 | 2010-06-09 | 株式会社ルネサステクノロジ | 磁気ランダムアクセスメモリ、磁気ランダムアクセスメモリへのアクセス方法および磁気ランダムアクセスメモリの製造方法 |
| US6363007B1 (en) * | 2000-08-14 | 2002-03-26 | Micron Technology, Inc. | Magneto-resistive memory with shared wordline and sense line |
| DE10043947A1 (de) * | 2000-09-06 | 2002-04-04 | Infineon Technologies Ag | Integrierte Schaltungsanordnung |
| JP4656720B2 (ja) * | 2000-09-25 | 2011-03-23 | ルネサスエレクトロニクス株式会社 | 薄膜磁性体記憶装置 |
| JP4726290B2 (ja) | 2000-10-17 | 2011-07-20 | ルネサスエレクトロニクス株式会社 | 半導体集積回路 |
| DE10053206C1 (de) * | 2000-10-26 | 2002-01-17 | Siemens Ag | Logikschaltungsanordnung |
| US6452240B1 (en) * | 2000-10-30 | 2002-09-17 | International Business Machines Corporation | Increased damping of magnetization in magnetic materials |
| DE10058047A1 (de) * | 2000-11-23 | 2002-06-13 | Infineon Technologies Ag | Integrierter Speicher mit einer Anordnung von nicht-flüchtigen Speicherzellen und Verfahren zur Herstellung und zum Betrieb des integrierten Speichers |
| EP1345277A4 (en) * | 2000-12-21 | 2005-02-16 | Fujitsu Ltd | MAGNETORESISTIVE COMPONENT, MAGNETIC HEAD AND MAGNET PLATE PLAYER |
| KR100390977B1 (ko) * | 2000-12-28 | 2003-07-12 | 주식회사 하이닉스반도체 | 반도체소자의 제조방법 |
| US6304477B1 (en) * | 2001-01-31 | 2001-10-16 | Motorola, Inc. | Content addressable magnetic random access memory |
| JP3677455B2 (ja) | 2001-02-13 | 2005-08-03 | Necエレクトロニクス株式会社 | 不揮発性磁気記憶装置およびその製造方法 |
| DE10110292C1 (de) * | 2001-02-26 | 2002-10-02 | Dresden Ev Inst Festkoerper | Stromabhängiges resistives Bauelement |
| DE10113787C1 (de) * | 2001-03-21 | 2002-09-05 | Siemens Ag | Logikschaltungsanordnung |
| JP2002299575A (ja) * | 2001-03-29 | 2002-10-11 | Toshiba Corp | 半導体記憶装置 |
| US6657888B1 (en) * | 2001-05-11 | 2003-12-02 | Board Of Regents Of The University Of Nebraska | Application of high spin polarization materials in two terminal non-volatile bistable memory devices |
| DE10123593C2 (de) * | 2001-05-15 | 2003-03-27 | Infineon Technologies Ag | Magnetische Speicheranordnung |
| DE10123820C2 (de) * | 2001-05-16 | 2003-06-18 | Infineon Technologies Ag | Verfahren zur Herstellung eines TMR-Schichtsystems mit Diodencharakteristik und MRAM-Speicheranordnung |
| JP2002368196A (ja) * | 2001-05-30 | 2002-12-20 | Internatl Business Mach Corp <Ibm> | メモリセル、記憶回路ブロック、データの書き込み方法及びデータの読み出し方法 |
| US6385083B1 (en) * | 2001-08-01 | 2002-05-07 | Hewlett-Packard Company | MRAM device including offset conductors |
| US6510080B1 (en) | 2001-08-28 | 2003-01-21 | Micron Technology Inc. | Three terminal magnetic random access memory |
| DE10144385C2 (de) | 2001-09-10 | 2003-07-24 | Siemens Ag | Standardzellenanordnung für ein magneto-resistives Bauelement und hierauf aufbauende elektronisch magneto-resistive Bauelemente |
| KR100827517B1 (ko) * | 2001-12-07 | 2008-05-06 | 주식회사 하이닉스반도체 | 자기 저항 램 |
| KR100450794B1 (ko) * | 2001-12-13 | 2004-10-01 | 삼성전자주식회사 | 마그네틱 랜덤 엑세스 메모리 및 그 작동 방법 |
| JP3924461B2 (ja) * | 2001-12-17 | 2007-06-06 | Necエレクトロニクス株式会社 | 不揮発性記憶装置とその動作方法 |
| JP3583102B2 (ja) * | 2001-12-27 | 2004-10-27 | 株式会社東芝 | 磁気スイッチング素子及び磁気メモリ |
| US6548849B1 (en) * | 2002-01-31 | 2003-04-15 | Sharp Laboratories Of America, Inc. | Magnetic yoke structures in MRAM devices to reduce programming power consumption and a method to make the same |
| US6646910B2 (en) * | 2002-03-04 | 2003-11-11 | Hewlett-Packard Development Company, L.P. | Magnetic memory using reverse magnetic field to improve half-select margin |
| US6778421B2 (en) * | 2002-03-14 | 2004-08-17 | Hewlett-Packard Development Company, Lp. | Memory device array having a pair of magnetic bits sharing a common conductor line |
| JP4047615B2 (ja) * | 2002-04-03 | 2008-02-13 | 株式会社ルネサステクノロジ | 磁気記憶装置 |
| US6724652B2 (en) * | 2002-05-02 | 2004-04-20 | Micron Technology, Inc. | Low remanence flux concentrator for MRAM devices |
| US6879512B2 (en) * | 2002-05-24 | 2005-04-12 | International Business Machines Corporation | Nonvolatile memory device utilizing spin-valve-type designs and current pulses |
| WO2004001805A2 (en) * | 2002-06-21 | 2003-12-31 | California Institute Of Technology | Sensors based on giant planar hall effect in dilute magnetic semiconductors |
| CN101202302B (zh) * | 2002-07-25 | 2012-08-15 | 科学技术振兴机构 | 基于自旋滤波器效应的自旋晶体管和利用自旋晶体管的非易失存储器 |
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| US7742329B2 (en) * | 2007-03-06 | 2010-06-22 | Qualcomm Incorporated | Word line transistor strength control for read and write in spin transfer torque magnetoresistive random access memory |
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- 1998-08-05 US US09/129,827 patent/US6034887A/en not_active Expired - Lifetime
-
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- 1999-02-10 TW TW088102032A patent/TW418397B/zh not_active IP Right Cessation
- 1999-07-13 JP JP19853299A patent/JP3533344B2/ja not_active Expired - Fee Related
- 1999-07-21 CN CNB991106237A patent/CN1221978C/zh not_active Expired - Lifetime
- 1999-07-29 SG SG1999003711A patent/SG77261A1/en unknown
- 1999-08-04 KR KR10-1999-0031997A patent/KR100530715B1/ko not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1307643C (zh) * | 2001-09-25 | 2007-03-28 | 惠普公司 | 具有软基准层的磁阻器件的读取方法 |
| CN100350495C (zh) * | 2001-09-25 | 2007-11-21 | 惠普公司 | 具有软基准层的磁阻器件 |
| CN101329897B (zh) * | 2007-06-18 | 2010-12-08 | 台湾积体电路制造股份有限公司 | 编程存储器单元的方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100530715B1 (ko) | 2005-11-28 |
| CN1244017A (zh) | 2000-02-09 |
| US6034887A (en) | 2000-03-07 |
| SG77261A1 (en) | 2000-12-19 |
| TW418397B (en) | 2001-01-11 |
| JP2000082791A (ja) | 2000-03-21 |
| KR20000017086A (ko) | 2000-03-25 |
| JP3533344B2 (ja) | 2004-05-31 |
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