CN1182552C - 磁致电阻元件及其作为存储单元阵列内的存储元的应用 - Google Patents
磁致电阻元件及其作为存储单元阵列内的存储元的应用 Download PDFInfo
- Publication number
- CN1182552C CN1182552C CNB998120529A CN99812052A CN1182552C CN 1182552 C CN1182552 C CN 1182552C CN B998120529 A CNB998120529 A CN B998120529A CN 99812052 A CN99812052 A CN 99812052A CN 1182552 C CN1182552 C CN 1182552C
- Authority
- CN
- China
- Prior art keywords
- ferromagnetic layer
- layer element
- layer unit
- ferromagnetic
- nonmagnetic
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F13/00—Apparatus or processes for magnetising or demagnetising
-
- 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
- G11C11/14—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
- G11C11/155—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements with cylindrical configuration
-
- 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
- H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
- H01F10/3281—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn only by use of asymmetry of the magnetic film pair itself, i.e. so-called pseudospin valve [PSV] structure, e.g. NiFe/Cu/Co
-
- 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)
- Chemical & Material Sciences (AREA)
- Computer Hardware Design (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nanotechnology (AREA)
- Power Engineering (AREA)
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
- Magnetic Heads (AREA)
- Thin Magnetic Films (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19836568.3 | 1998-08-12 | ||
| DE19836568 | 1998-08-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1323442A CN1323442A (zh) | 2001-11-21 |
| CN1182552C true CN1182552C (zh) | 2004-12-29 |
Family
ID=7877320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB998120529A Expired - Fee Related CN1182552C (zh) | 1998-08-12 | 1999-08-02 | 磁致电阻元件及其作为存储单元阵列内的存储元的应用 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6577526B1 (zh) |
| EP (1) | EP1105890B1 (zh) |
| JP (1) | JP3650735B2 (zh) |
| KR (1) | KR100369721B1 (zh) |
| CN (1) | CN1182552C (zh) |
| DE (1) | DE59903851D1 (zh) |
| TW (1) | TW455880B (zh) |
| WO (1) | WO2000010178A1 (zh) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100427183B1 (ko) * | 2000-12-16 | 2004-04-17 | 한국전기연구원 | 고감도 자기 저항 소자 및 그 제조 방법 |
| JP3661652B2 (ja) * | 2002-02-15 | 2005-06-15 | ソニー株式会社 | 磁気抵抗効果素子および磁気メモリ装置 |
| JP4016101B2 (ja) * | 2002-08-22 | 2007-12-05 | 国立大学法人大阪大学 | 磁性メモリ、磁性メモリアレイ、磁性メモリの記録方法、及び磁性メモリの読み出し方法 |
| 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 |
| JP3893456B2 (ja) * | 2002-10-18 | 2007-03-14 | 国立大学法人大阪大学 | 磁性メモリ及び磁性メモリアレイ |
| US6956257B2 (en) * | 2002-11-18 | 2005-10-18 | Carnegie Mellon University | Magnetic memory element and memory device including same |
| JP3866649B2 (ja) * | 2002-11-28 | 2007-01-10 | 株式会社東芝 | 磁気ランダムアクセスメモリ |
| JP3987924B2 (ja) * | 2002-12-13 | 2007-10-10 | 国立大学法人大阪大学 | 磁性メモリアレイ、磁性メモリアレイの書き込み方法及び磁性メモリアレイの読み出し方法 |
| US7027321B2 (en) * | 2004-01-10 | 2006-04-11 | Honeywell International Inc. | Tunneling anisotropic magnetoresistive device and method of operation |
| US7120048B2 (en) * | 2004-06-21 | 2006-10-10 | Honeywell International Inc. | Nonvolatile memory vertical ring bit and write-read structure |
| KR100707170B1 (ko) * | 2004-08-23 | 2007-04-13 | 삼성전자주식회사 | 균일한 스위칭 특성을 가지며 저 전류 스위칭이 가능한자기 메모리 소자 및 그 동작방법 |
| US7116575B1 (en) * | 2005-03-23 | 2006-10-03 | Honeywell International Inc. | Architectures for CPP ring shaped (RS) devices |
| KR100647334B1 (ko) * | 2005-09-01 | 2006-11-23 | 삼성전자주식회사 | 강유전성 정보 저장 장치 및 정보 저장/재생방법 |
| US7868404B2 (en) * | 2007-11-01 | 2011-01-11 | Nve Corporation | Vortex spin momentum transfer magnetoresistive device |
| DE102010055754A1 (de) * | 2010-12-22 | 2012-06-28 | Sensitec Gmbh | Magnetoresistives Sensorelement |
| JP5592909B2 (ja) * | 2012-03-06 | 2014-09-17 | 株式会社東芝 | 磁気メモリ |
| JP5664706B2 (ja) * | 2012-07-05 | 2015-02-04 | 株式会社デンソー | 磁気センサ |
| CN111108617B (zh) * | 2019-12-24 | 2021-02-02 | 长江存储科技有限责任公司 | 磁阻随机存取存储器 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5012444A (en) * | 1990-04-04 | 1991-04-30 | Honeywell Inc. | Opposed field magnetoresistive memory sensing |
| US5477482A (en) | 1993-10-01 | 1995-12-19 | The United States Of America As Represented By The Secretary Of The Navy | Ultra high density, non-volatile ferromagnetic random access memory |
| KR100302691B1 (ko) * | 1994-11-21 | 2001-11-22 | 포만 제프리 엘 | 자기저항성센서 |
| US5541868A (en) | 1995-02-21 | 1996-07-30 | The United States Of America As Represented By The Secretary Of The Navy | Annular GMR-based memory element |
| US6111784A (en) * | 1997-09-18 | 2000-08-29 | Canon Kabushiki Kaisha | Magnetic thin film memory element utilizing GMR effect, and recording/reproduction method using such memory element |
-
1999
- 1999-08-02 KR KR10-2001-7001815A patent/KR100369721B1/ko not_active Expired - Fee Related
- 1999-08-02 DE DE59903851T patent/DE59903851D1/de not_active Expired - Lifetime
- 1999-08-02 CN CNB998120529A patent/CN1182552C/zh not_active Expired - Fee Related
- 1999-08-02 WO PCT/DE1999/002387 patent/WO2000010178A1/de not_active Ceased
- 1999-08-02 US US09/806,617 patent/US6577526B1/en not_active Expired - Lifetime
- 1999-08-02 EP EP99950494A patent/EP1105890B1/de not_active Expired - Lifetime
- 1999-08-02 JP JP2000565547A patent/JP3650735B2/ja not_active Expired - Fee Related
- 1999-08-09 TW TW088113563A patent/TW455880B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE59903851D1 (de) | 2003-01-30 |
| CN1323442A (zh) | 2001-11-21 |
| JP3650735B2 (ja) | 2005-05-25 |
| KR100369721B1 (ko) | 2003-01-30 |
| TW455880B (en) | 2001-09-21 |
| JP2002522917A (ja) | 2002-07-23 |
| EP1105890A1 (de) | 2001-06-13 |
| EP1105890B1 (de) | 2002-12-18 |
| WO2000010178A1 (de) | 2000-02-24 |
| KR20010085371A (ko) | 2001-09-07 |
| US6577526B1 (en) | 2003-06-10 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER NAME: INFENNIAN TECHNOLOGIES AG |
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| CP01 | Change in the name or title of a patent holder |
Address after: Munich, Germany Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
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| TR01 | Transfer of patent right |
Effective date of registration: 20130603 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: Munich, Germany Patentee before: Infineon Technologies AG |
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Effective date of registration: 20160113 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |