JP2005512316A5 - - Google Patents
Info
- Publication number
- JP2005512316A5 JP2005512316A5 JP2003550230A JP2003550230A JP2005512316A5 JP 2005512316 A5 JP2005512316 A5 JP 2005512316A5 JP 2003550230 A JP2003550230 A JP 2003550230A JP 2003550230 A JP2003550230 A JP 2003550230A JP 2005512316 A5 JP2005512316 A5 JP 2005512316A5
- Authority
- JP
- Japan
- Prior art keywords
- layer
- magnetization
- memory cell
- support
- memory
- 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.)
- Granted
Links
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10158795A DE10158795B4 (de) | 2001-11-30 | 2001-11-30 | Magnetoresistive Speicherzelle mit dynamischer Referenzschicht |
| PCT/DE2002/004323 WO2003049120A2 (de) | 2001-11-30 | 2002-11-25 | Magnetoresistive speicherzelle mit dynamischer referenzschicht |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005512316A JP2005512316A (ja) | 2005-04-28 |
| JP2005512316A5 true JP2005512316A5 (https=) | 2007-04-12 |
| JP4219814B2 JP4219814B2 (ja) | 2009-02-04 |
Family
ID=7707532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003550230A Expired - Fee Related JP4219814B2 (ja) | 2001-11-30 | 2002-11-25 | 動的な基準層を有する磁気抵抗メモリーセル |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7369426B2 (https=) |
| EP (1) | EP1449220B1 (https=) |
| JP (1) | JP4219814B2 (https=) |
| KR (1) | KR100613536B1 (https=) |
| CN (1) | CN1599937A (https=) |
| DE (2) | DE10158795B4 (https=) |
| TW (1) | TW588355B (https=) |
| WO (1) | WO2003049120A2 (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6667901B1 (en) * | 2003-04-29 | 2003-12-23 | Hewlett-Packard Development Company, L.P. | Dual-junction magnetic memory device and read method |
| DE102004047411B3 (de) * | 2004-09-28 | 2006-05-11 | Funktionale Materialien Rostock E.V. | Magnetisches Speicherschichtsystem |
| FR2914482B1 (fr) * | 2007-03-29 | 2009-05-29 | Commissariat Energie Atomique | Memoire magnetique a jonction tunnel magnetique |
| JP2009146512A (ja) * | 2007-12-14 | 2009-07-02 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッド及び磁気記録装置 |
| JP5103259B2 (ja) * | 2008-04-22 | 2012-12-19 | ルネサスエレクトロニクス株式会社 | 磁気記憶素子及び磁気記憶装置 |
| EP2575135B1 (en) * | 2011-09-28 | 2015-08-05 | Crocus Technology S.A. | Magnetic random access memory (MRAM) cell and method for reading the MRAM cell using a self-referenced read operation |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4243358A1 (de) * | 1992-12-21 | 1994-06-23 | Siemens Ag | Magnetowiderstands-Sensor mit künstlichem Antiferromagneten und Verfahren zu seiner Herstellung |
| JPH0945074A (ja) | 1995-08-01 | 1997-02-14 | Matsushita Electric Ind Co Ltd | 磁気抵抗効果を利用したメモリー素子および増幅素子 |
| EP0875901B1 (en) * | 1997-04-28 | 2006-08-09 | Canon Kabushiki Kaisha | Magnetic thin-film memory element utilizing GMR effect, and magnetic thin-film memory |
| JP3891511B2 (ja) | 1997-06-12 | 2007-03-14 | キヤノン株式会社 | 磁性薄膜メモリ及びその記録再生方法 |
| TW411471B (en) * | 1997-09-17 | 2000-11-11 | Siemens Ag | Memory-cell device |
| JP2000090658A (ja) | 1998-09-09 | 2000-03-31 | Sanyo Electric Co Ltd | 磁気メモリ素子 |
| US6436526B1 (en) | 1999-06-17 | 2002-08-20 | Matsushita Electric Industrial Co., Ltd. | Magneto-resistance effect element, magneto-resistance effect memory cell, MRAM and method for performing information write to or read from the magneto-resistance effect memory cell |
| US6233172B1 (en) | 1999-12-17 | 2001-05-15 | Motorola, Inc. | Magnetic element with dual magnetic states and fabrication method thereof |
| US6404674B1 (en) * | 2001-04-02 | 2002-06-11 | Hewlett Packard Company Intellectual Property Administrator | Cladded read-write conductor for a pinned-on-the-fly soft reference layer |
| US6576969B2 (en) * | 2001-09-25 | 2003-06-10 | Hewlett-Packard Development Company, L.P. | Magneto-resistive device having soft reference layer |
| US6795281B2 (en) * | 2001-09-25 | 2004-09-21 | Hewlett-Packard Development Company, L.P. | Magneto-resistive device including soft synthetic ferrimagnet reference layer |
| US6538917B1 (en) | 2001-09-25 | 2003-03-25 | Hewlett-Packard Development Company, L.P. | Read methods for magneto-resistive device having soft reference layer |
| US7193889B2 (en) * | 2004-02-11 | 2007-03-20 | Hewlett-Packard Development Company, Lp. | Switching of MRAM devices having soft magnetic reference layers |
-
2001
- 2001-11-30 DE DE10158795A patent/DE10158795B4/de not_active Expired - Fee Related
-
2002
- 2002-11-25 WO PCT/DE2002/004323 patent/WO2003049120A2/de not_active Ceased
- 2002-11-25 KR KR1020047008163A patent/KR100613536B1/ko not_active Expired - Fee Related
- 2002-11-25 CN CNA028239296A patent/CN1599937A/zh active Pending
- 2002-11-25 JP JP2003550230A patent/JP4219814B2/ja not_active Expired - Fee Related
- 2002-11-25 EP EP02787395A patent/EP1449220B1/de not_active Expired - Lifetime
- 2002-11-25 DE DE50202668T patent/DE50202668D1/de not_active Expired - Fee Related
- 2002-11-25 US US10/497,007 patent/US7369426B2/en not_active Expired - Fee Related
- 2002-11-27 TW TW091134489A patent/TW588355B/zh not_active IP Right Cessation
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6028786A (en) | Magnetic memory element having coupled magnetic layers forming closed magnetic circuit | |
| CN100490003C (zh) | 磁阻元件、使用其的存储器元件以及相关记录/再现方法 | |
| US6404674B1 (en) | Cladded read-write conductor for a pinned-on-the-fly soft reference layer | |
| EP1248273B1 (en) | Cladded read conductor for a tunnel junction memory cell | |
| US6480411B1 (en) | Magnetoresistance effect type memory, and method and device for reproducing information from the memory | |
| US6853580B2 (en) | Magnetoresistive element and MRAM using the same | |
| KR100436318B1 (ko) | 자기저항 효과 소자, 자기저항 효과 메모리 셀, 및 mram | |
| US6201673B1 (en) | System for biasing a synthetic free layer in a magnetoresistance sensor | |
| US7020009B2 (en) | Bistable magnetic device using soft magnetic intermediary material | |
| JP2001358315A (ja) | Mramメモリ | |
| EP1193778A2 (en) | Magnetization reversal methods for magnetic film, magnetoresistive films, and magnetic memories using them | |
| JP2004029007A (ja) | 磁界検出センサ | |
| KR20010100819A (ko) | 개선된 간섭 안정도를 갖는 자기저항 메모리 | |
| JP4219814B2 (ja) | 動的な基準層を有する磁気抵抗メモリーセル | |
| JP2005512316A5 (https=) | ||
| US6898115B2 (en) | Magnetoresistive element, and magnetic memory using the same | |
| KR100446888B1 (ko) | 자기저항효과막 및 그를 이용한 메모리 | |
| US20060067115A1 (en) | MRAM with improved storage and read out characteristics | |
| US7486548B2 (en) | Magnetic memory device | |
| JP3658331B2 (ja) | メモリ素子の記録再生方法、磁気抵抗素子及び磁気ランダムアクセスメモリ | |
| JP2002124717A (ja) | 磁気抵抗効果素子及びその製造方法並びにその磁気抵抗効果素子を用いた磁気薄膜メモリ |