WO2005048262A3 - Mram architecture with a flux closed data storage layer - Google Patents
Mram architecture with a flux closed data storage layer Download PDFInfo
- Publication number
- WO2005048262A3 WO2005048262A3 PCT/US2004/005874 US2004005874W WO2005048262A3 WO 2005048262 A3 WO2005048262 A3 WO 2005048262A3 US 2004005874 W US2004005874 W US 2004005874W WO 2005048262 A3 WO2005048262 A3 WO 2005048262A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data storage
- storage layer
- memory cells
- magnetic
- magnetic memory
- Prior art date
Links
Classifications
-
- 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
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/688,664 | 2003-10-16 | ||
US10/688,664 US6909633B2 (en) | 2002-12-09 | 2003-10-16 | MRAM architecture with a flux closed data storage layer |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2005048262A2 WO2005048262A2 (en) | 2005-05-26 |
WO2005048262A3 true WO2005048262A3 (en) | 2005-08-04 |
Family
ID=34590648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/005874 WO2005048262A2 (en) | 2003-10-16 | 2004-02-27 | Mram architecture with a flux closed data storage layer |
Country Status (2)
Country | Link |
---|---|
US (1) | US6909633B2 (en) |
WO (1) | WO2005048262A2 (en) |
Families Citing this family (31)
Publication number | Priority date | Publication date | Assignee | Title |
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US7020009B2 (en) * | 2003-05-14 | 2006-03-28 | Macronix International Co., Ltd. | Bistable magnetic device using soft magnetic intermediary material |
KR100560661B1 (en) * | 2003-06-19 | 2006-03-16 | 삼성전자주식회사 | Reading Scheme Of Magnetic Memory |
FR2860910B1 (en) * | 2003-10-10 | 2006-02-10 | Commissariat Energie Atomique | MAGNETIC TUNNEL JUNCTION DEVICE AND METHOD OF WRITING / READING SUCH A DEVICE |
US7092284B2 (en) * | 2004-08-20 | 2006-08-15 | Infineon Technologies Ag | MRAM with magnetic via for storage of information and field sensor |
US7106531B2 (en) * | 2005-01-13 | 2006-09-12 | Hitachi Global Storage Technologies Netherlands, B.V. | Method of forming a servo pattern on a rigid magnetic recording disk |
KR100727486B1 (en) * | 2005-08-16 | 2007-06-13 | 삼성전자주식회사 | Magnetic memory devices and methods of forming the same |
JP2007184419A (en) * | 2006-01-06 | 2007-07-19 | Sharp Corp | Nonvolatile memory device |
US7528457B2 (en) * | 2006-04-14 | 2009-05-05 | Magic Technologies, Inc. | Method to form a nonmagnetic cap for the NiFe(free) MTJ stack to enhance dR/R |
JP2009146478A (en) * | 2007-12-12 | 2009-07-02 | Sony Corp | Storage device and information re-recording method |
US20090218559A1 (en) * | 2008-02-29 | 2009-09-03 | Ulrich Klostermann | Integrated Circuit, Memory Cell Array, Memory Module, and Method of Manufacturing an Integrated Circuit |
US8659852B2 (en) | 2008-04-21 | 2014-02-25 | Seagate Technology Llc | Write-once magentic junction memory array |
US7855911B2 (en) * | 2008-05-23 | 2010-12-21 | Seagate Technology Llc | Reconfigurable magnetic logic device using spin torque |
US7852663B2 (en) * | 2008-05-23 | 2010-12-14 | Seagate Technology Llc | Nonvolatile programmable logic gates and adders |
US7881098B2 (en) | 2008-08-26 | 2011-02-01 | Seagate Technology Llc | Memory with separate read and write paths |
US7985994B2 (en) | 2008-09-29 | 2011-07-26 | Seagate Technology Llc | Flux-closed STRAM with electronically reflective insulative spacer |
US8169810B2 (en) | 2008-10-08 | 2012-05-01 | Seagate Technology Llc | Magnetic memory with asymmetric energy barrier |
US8039913B2 (en) * | 2008-10-09 | 2011-10-18 | Seagate Technology Llc | Magnetic stack with laminated layer |
US8089132B2 (en) | 2008-10-09 | 2012-01-03 | Seagate Technology Llc | Magnetic memory with phonon glass electron crystal material |
US20100102405A1 (en) * | 2008-10-27 | 2010-04-29 | Seagate Technology Llc | St-ram employing a spin filter |
US8045366B2 (en) | 2008-11-05 | 2011-10-25 | Seagate Technology Llc | STRAM with composite free magnetic element |
US8043732B2 (en) | 2008-11-11 | 2011-10-25 | Seagate Technology Llc | Memory cell with radial barrier |
US7826181B2 (en) * | 2008-11-12 | 2010-11-02 | Seagate Technology Llc | Magnetic memory with porous non-conductive current confinement layer |
US8289756B2 (en) | 2008-11-25 | 2012-10-16 | Seagate Technology Llc | Non volatile memory including stabilizing structures |
US7826259B2 (en) * | 2009-01-29 | 2010-11-02 | Seagate Technology Llc | Staggered STRAM cell |
US7999338B2 (en) | 2009-07-13 | 2011-08-16 | Seagate Technology Llc | Magnetic stack having reference layers with orthogonal magnetization orientation directions |
US8981506B1 (en) * | 2010-10-08 | 2015-03-17 | Avalanche Technology, Inc. | Magnetic random access memory with switchable switching assist layer |
KR20120056019A (en) * | 2010-11-24 | 2012-06-01 | 삼성전자주식회사 | Oscillator and methods of manufacturing and operating the same |
SG185922A1 (en) * | 2011-06-02 | 2012-12-28 | Agency Science Tech & Res | Magnetoresistive device |
US9123884B2 (en) * | 2011-09-22 | 2015-09-01 | Agency For Science, Technology And Research | Magnetoresistive device and a writing method for a magnetoresistive device |
KR101683440B1 (en) * | 2015-05-13 | 2016-12-07 | 고려대학교 산학협력단 | Magnetic memory device |
KR102463023B1 (en) * | 2016-02-25 | 2022-11-03 | 삼성전자주식회사 | Variable resistance memory devices and methods of manufacturing the same |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269018B1 (en) * | 2000-04-13 | 2001-07-31 | International Business Machines Corporation | Magnetic random access memory using current through MTJ write mechanism |
US6351409B1 (en) * | 2001-01-04 | 2002-02-26 | Motorola, Inc. | MRAM write apparatus and method |
US6740947B1 (en) * | 2002-11-13 | 2004-05-25 | Hewlett-Packard Development Company, L.P. | MRAM with asymmetric cladded conductor |
Family Cites Families (18)
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US5659499A (en) | 1995-11-24 | 1997-08-19 | Motorola | Magnetic memory and method therefor |
US5650958A (en) | 1996-03-18 | 1997-07-22 | International Business Machines Corporation | Magnetic tunnel junctions with controlled magnetic response |
US5940319A (en) | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
US6153443A (en) | 1998-12-21 | 2000-11-28 | Motorola, Inc. | Method of fabricating a magnetic random access memory |
US6166948A (en) | 1999-09-03 | 2000-12-26 | International Business Machines Corporation | Magnetic memory array with magnetic tunnel junction memory cells having flux-closed free layers |
US6211090B1 (en) | 2000-03-21 | 2001-04-03 | Motorola, Inc. | Method of fabricating flux concentrating layer for use with magnetoresistive random access memories |
US6475812B2 (en) | 2001-03-09 | 2002-11-05 | Hewlett Packard Company | Method for fabricating cladding layer in top conductor |
US6724651B2 (en) * | 2001-04-06 | 2004-04-20 | Canon Kabushiki Kaisha | Nonvolatile solid-state memory and method of driving the same |
JP4033690B2 (en) * | 2002-03-04 | 2008-01-16 | 株式会社ルネサステクノロジ | Semiconductor device |
JP3906145B2 (en) * | 2002-11-22 | 2007-04-18 | 株式会社東芝 | Magnetic random access memory |
US6909630B2 (en) * | 2002-12-09 | 2005-06-21 | Applied Spintronics Technology, Inc. | MRAM memories utilizing magnetic write lines |
US6864551B2 (en) * | 2003-02-05 | 2005-03-08 | Applied Spintronics Technology, Inc. | High density and high programming efficiency MRAM design |
US6812538B2 (en) * | 2003-02-05 | 2004-11-02 | Applied Spintronics Technology, Inc. | MRAM cells having magnetic write lines with a stable magnetic state at the end regions |
US6940749B2 (en) * | 2003-02-24 | 2005-09-06 | Applied Spintronics Technology, Inc. | MRAM array with segmented word and bit lines |
JP3906172B2 (en) * | 2003-03-11 | 2007-04-18 | 株式会社東芝 | Magnetic random access memory and manufacturing method thereof |
US6963500B2 (en) * | 2003-03-14 | 2005-11-08 | Applied Spintronics Technology, Inc. | Magnetic tunneling junction cell array with shared reference layer for MRAM applications |
US6933550B2 (en) * | 2003-03-31 | 2005-08-23 | Applied Spintronics Technology, Inc. | Method and system for providing a magnetic memory having a wrapped write line |
US7067866B2 (en) * | 2003-03-31 | 2006-06-27 | Applied Spintronics Technology, Inc. | MRAM architecture and a method and system for fabricating MRAM memories utilizing the architecture |
-
2003
- 2003-10-16 US US10/688,664 patent/US6909633B2/en not_active Expired - Fee Related
-
2004
- 2004-02-27 WO PCT/US2004/005874 patent/WO2005048262A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6269018B1 (en) * | 2000-04-13 | 2001-07-31 | International Business Machines Corporation | Magnetic random access memory using current through MTJ write mechanism |
US6351409B1 (en) * | 2001-01-04 | 2002-02-26 | Motorola, Inc. | MRAM write apparatus and method |
US6740947B1 (en) * | 2002-11-13 | 2004-05-25 | Hewlett-Packard Development Company, L.P. | MRAM with asymmetric cladded conductor |
Also Published As
Publication number | Publication date |
---|---|
US20040130929A1 (en) | 2004-07-08 |
WO2005048262A2 (en) | 2005-05-26 |
US6909633B2 (en) | 2005-06-21 |
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