DE69617833D1 - Magnetoresistives Element und Speicherelement - Google Patents

Magnetoresistives Element und Speicherelement

Info

Publication number
DE69617833D1
DE69617833D1 DE69617833T DE69617833T DE69617833D1 DE 69617833 D1 DE69617833 D1 DE 69617833D1 DE 69617833 T DE69617833 T DE 69617833T DE 69617833 T DE69617833 T DE 69617833T DE 69617833 D1 DE69617833 D1 DE 69617833D1
Authority
DE
Germany
Prior art keywords
magnetoresistive
memory
memory element
magnetoresistive element
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
Application number
DE69617833T
Other languages
English (en)
Other versions
DE69617833T2 (de
Inventor
Hiroshi Sakakima
Takeshi Uenoyama
Yasuhiro Kawawake
Yousuke Irie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69617833D1 publication Critical patent/DE69617833D1/de
Publication of DE69617833T2 publication Critical patent/DE69617833T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
    • G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
    • G11B2005/3996—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects large or giant magnetoresistive effects [GMR], e.g. as generated in spin-valve [SV] devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Nanotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
  • Magnetic Heads (AREA)
  • Thin Magnetic Films (AREA)
  • Measuring Magnetic Variables (AREA)
DE69617833T 1995-08-21 1996-08-20 Magnetoresistives Element und Speicherelement Expired - Fee Related DE69617833T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP21216595 1995-08-21
JP29440995A JP3207094B2 (ja) 1995-08-21 1995-11-13 磁気抵抗効果素子及びメモリー素子

Publications (2)

Publication Number Publication Date
DE69617833D1 true DE69617833D1 (de) 2002-01-24
DE69617833T2 DE69617833T2 (de) 2002-04-11

Family

ID=26519035

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69617833T Expired - Fee Related DE69617833T2 (de) 1995-08-21 1996-08-20 Magnetoresistives Element und Speicherelement

Country Status (6)

Country Link
US (1) US5691936A (de)
EP (1) EP0759619B1 (de)
JP (1) JP3207094B2 (de)
KR (1) KR100230064B1 (de)
CN (1) CN1130693C (de)
DE (1) DE69617833T2 (de)

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DE19823826A1 (de) 1998-05-28 1999-12-02 Burkhard Hillebrands MRAM-Speicher sowie Verfahren zum Lesen/Schreiben digitaler Information in einen derartigen Speicher
US6215695B1 (en) * 1998-12-08 2001-04-10 Canon Kabushiki Kaisha Magnetoresistance element and magnetic memory device employing the same
US6743639B1 (en) 1999-10-13 2004-06-01 Nve Corporation Magnetizable bead detector
US6875621B2 (en) * 1999-10-13 2005-04-05 Nve Corporation Magnetizable bead detector
WO2001027592A1 (en) * 1999-10-13 2001-04-19 Nve Corporation Magnetizable bead detector
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
US6873144B2 (en) * 2000-04-07 2005-03-29 Landis+Gyr Inc. Electronic meter having random access memory with passive nonvolatility
JP3604617B2 (ja) 2000-06-12 2004-12-22 富士通株式会社 磁気検出素子
DE10114963A1 (de) * 2001-03-20 2002-10-02 Infineon Technologies Ag Halbleiterelement mit einem semimagnetischen Kontakt
US6744086B2 (en) 2001-05-15 2004-06-01 Nve Corporation Current switched magnetoresistive memory cell
US7573737B2 (en) 2003-08-19 2009-08-11 New York University High speed low power magnetic devices based on current induced spin-momentum transfer
US7911832B2 (en) 2003-08-19 2011-03-22 New York University High speed low power magnetic devices based on current induced spin-momentum transfer
US6980469B2 (en) * 2003-08-19 2005-12-27 New York University High speed low power magnetic devices based on current induced spin-momentum transfer
US8755222B2 (en) 2003-08-19 2014-06-17 New York University Bipolar spin-transfer switching
US7391091B2 (en) * 2004-09-29 2008-06-24 Nve Corporation Magnetic particle flow detector
JP2007095750A (ja) * 2005-09-27 2007-04-12 Canon Anelva Corp 磁気抵抗効果素子
CA2653437C (en) * 2006-05-24 2014-07-15 Stichting Katholieke Universiteit Magneto-optical switching device and method for switching a magnetizable medium
CN1929049B (zh) * 2006-08-14 2011-08-03 南京大学 利用激光诱导效应改变CrO2薄膜磁性的方法
US9812184B2 (en) 2007-10-31 2017-11-07 New York University Current induced spin-momentum transfer stack with dual insulating layers
WO2012105459A1 (ja) * 2011-02-01 2012-08-09 公立大学法人大阪市立大学 電力計測装置
US9082950B2 (en) 2012-10-17 2015-07-14 New York University Increased magnetoresistance in an inverted orthogonal spin transfer layer stack
US9082888B2 (en) 2012-10-17 2015-07-14 New York University Inverted orthogonal spin transfer layer stack
US8982613B2 (en) 2013-06-17 2015-03-17 New York University Scalable orthogonal spin transfer magnetic random access memory devices with reduced write error rates
US9263667B1 (en) 2014-07-25 2016-02-16 Spin Transfer Technologies, Inc. Method for manufacturing MTJ memory device
US9337412B2 (en) 2014-09-22 2016-05-10 Spin Transfer Technologies, Inc. Magnetic tunnel junction structure for MRAM device
US9728712B2 (en) 2015-04-21 2017-08-08 Spin Transfer Technologies, Inc. Spin transfer torque structure for MRAM devices having a spin current injection capping layer
US10468590B2 (en) 2015-04-21 2019-11-05 Spin Memory, Inc. High annealing temperature perpendicular magnetic anisotropy structure for magnetic random access memory
US9853206B2 (en) 2015-06-16 2017-12-26 Spin Transfer Technologies, Inc. Precessional spin current structure for MRAM
US9773974B2 (en) 2015-07-30 2017-09-26 Spin Transfer Technologies, Inc. Polishing stop layer(s) for processing arrays of semiconductor elements
US10163479B2 (en) 2015-08-14 2018-12-25 Spin Transfer Technologies, Inc. Method and apparatus for bipolar memory write-verify
US9741926B1 (en) 2016-01-28 2017-08-22 Spin Transfer Technologies, Inc. Memory cell having magnetic tunnel junction and thermal stability enhancement layer
US10628316B2 (en) 2016-09-27 2020-04-21 Spin Memory, Inc. Memory device with a plurality of memory banks where each memory bank is associated with a corresponding memory instruction pipeline and a dynamic redundancy register
US10460781B2 (en) 2016-09-27 2019-10-29 Spin Memory, Inc. Memory device with a dual Y-multiplexer structure for performing two simultaneous operations on the same row of a memory bank
US10360964B2 (en) 2016-09-27 2019-07-23 Spin Memory, Inc. Method of writing contents in memory during a power up sequence using a dynamic redundancy register in a memory device
US10546625B2 (en) 2016-09-27 2020-01-28 Spin Memory, Inc. Method of optimizing write voltage based on error buffer occupancy
US11119936B2 (en) 2016-09-27 2021-09-14 Spin Memory, Inc. Error cache system with coarse and fine segments for power optimization
US10818331B2 (en) 2016-09-27 2020-10-27 Spin Memory, Inc. Multi-chip module for MRAM devices with levels of dynamic redundancy registers
US11119910B2 (en) 2016-09-27 2021-09-14 Spin Memory, Inc. Heuristics for selecting subsegments for entry in and entry out operations in an error cache system with coarse and fine grain segments
US10437723B2 (en) 2016-09-27 2019-10-08 Spin Memory, Inc. Method of flushing the contents of a dynamic redundancy register to a secure storage area during a power down in a memory device
US10446210B2 (en) 2016-09-27 2019-10-15 Spin Memory, Inc. Memory instruction pipeline with a pre-read stage for a write operation for reducing power consumption in a memory device that uses dynamic redundancy registers
US10437491B2 (en) 2016-09-27 2019-10-08 Spin Memory, Inc. Method of processing incomplete memory operations in a memory device during a power up sequence and a power down sequence using a dynamic redundancy register
US10366774B2 (en) 2016-09-27 2019-07-30 Spin Memory, Inc. Device with dynamic redundancy registers
US10991410B2 (en) 2016-09-27 2021-04-27 Spin Memory, Inc. Bi-polar write scheme
US11151042B2 (en) 2016-09-27 2021-10-19 Integrated Silicon Solution, (Cayman) Inc. Error cache segmentation for power reduction
US10665777B2 (en) 2017-02-28 2020-05-26 Spin Memory, Inc. Precessional spin current structure with non-magnetic insertion layer for MRAM
US10672976B2 (en) 2017-02-28 2020-06-02 Spin Memory, Inc. Precessional spin current structure with high in-plane magnetization for MRAM
US10032978B1 (en) 2017-06-27 2018-07-24 Spin Transfer Technologies, Inc. MRAM with reduced stray magnetic fields
US10481976B2 (en) 2017-10-24 2019-11-19 Spin Memory, Inc. Forcing bits as bad to widen the window between the distributions of acceptable high and low resistive bits thereby lowering the margin and increasing the speed of the sense amplifiers
US10656994B2 (en) 2017-10-24 2020-05-19 Spin Memory, Inc. Over-voltage write operation of tunnel magnet-resistance (“TMR”) memory device and correcting failure bits therefrom by using on-the-fly bit failure detection and bit redundancy remapping techniques
US10489245B2 (en) 2017-10-24 2019-11-26 Spin Memory, Inc. Forcing stuck bits, waterfall bits, shunt bits and low TMR bits to short during testing and using on-the-fly bit failure detection and bit redundancy remapping techniques to correct them
US10529439B2 (en) 2017-10-24 2020-01-07 Spin Memory, Inc. On-the-fly bit failure detection and bit redundancy remapping techniques to correct for fixed bit defects
US10679685B2 (en) 2017-12-27 2020-06-09 Spin Memory, Inc. Shared bit line array architecture for magnetoresistive memory
US10360962B1 (en) 2017-12-28 2019-07-23 Spin Memory, Inc. Memory array with individually trimmable sense amplifiers
US10811594B2 (en) 2017-12-28 2020-10-20 Spin Memory, Inc. Process for hard mask development for MRAM pillar formation using photolithography
US10395712B2 (en) 2017-12-28 2019-08-27 Spin Memory, Inc. Memory array with horizontal source line and sacrificial bitline per virtual source
US10516094B2 (en) 2017-12-28 2019-12-24 Spin Memory, Inc. Process for creating dense pillars using multiple exposures for MRAM fabrication
US10891997B2 (en) 2017-12-28 2021-01-12 Spin Memory, Inc. Memory array with horizontal source line and a virtual source line
US10424726B2 (en) 2017-12-28 2019-09-24 Spin Memory, Inc. Process for improving photoresist pillar adhesion during MRAM fabrication
US10395711B2 (en) 2017-12-28 2019-08-27 Spin Memory, Inc. Perpendicular source and bit lines for an MRAM array
US10360961B1 (en) 2017-12-29 2019-07-23 Spin Memory, Inc. AC current pre-charge write-assist in orthogonal STT-MRAM
US10546624B2 (en) 2017-12-29 2020-01-28 Spin Memory, Inc. Multi-port random access memory
US10270027B1 (en) 2017-12-29 2019-04-23 Spin Memory, Inc. Self-generating AC current assist in orthogonal STT-MRAM
US10367139B2 (en) 2017-12-29 2019-07-30 Spin Memory, Inc. Methods of manufacturing magnetic tunnel junction devices
US10424723B2 (en) 2017-12-29 2019-09-24 Spin Memory, Inc. Magnetic tunnel junction devices including an optimization layer
US10236048B1 (en) 2017-12-29 2019-03-19 Spin Memory, Inc. AC current write-assist in orthogonal STT-MRAM
US10236047B1 (en) 2017-12-29 2019-03-19 Spin Memory, Inc. Shared oscillator (STNO) for MRAM array write-assist in orthogonal STT-MRAM
US10840436B2 (en) 2017-12-29 2020-11-17 Spin Memory, Inc. Perpendicular magnetic anisotropy interface tunnel junction devices and methods of manufacture
US10886330B2 (en) 2017-12-29 2021-01-05 Spin Memory, Inc. Memory device having overlapping magnetic tunnel junctions in compliance with a reference pitch
US10840439B2 (en) 2017-12-29 2020-11-17 Spin Memory, Inc. Magnetic tunnel junction (MTJ) fabrication methods and systems
US10784439B2 (en) 2017-12-29 2020-09-22 Spin Memory, Inc. Precessional spin current magnetic tunnel junction devices and methods of manufacture
US10199083B1 (en) 2017-12-29 2019-02-05 Spin Transfer Technologies, Inc. Three-terminal MRAM with ac write-assist for low read disturb
US10319900B1 (en) 2017-12-30 2019-06-11 Spin Memory, Inc. Perpendicular magnetic tunnel junction device with precessional spin current layer having a modulated moment density
US10236439B1 (en) 2017-12-30 2019-03-19 Spin Memory, Inc. Switching and stability control for perpendicular magnetic tunnel junction device
US10229724B1 (en) 2017-12-30 2019-03-12 Spin Memory, Inc. Microwave write-assist in series-interconnected orthogonal STT-MRAM devices
US10339993B1 (en) 2017-12-30 2019-07-02 Spin Memory, Inc. Perpendicular magnetic tunnel junction device with skyrmionic assist layers for free layer switching
US10141499B1 (en) 2017-12-30 2018-11-27 Spin Transfer Technologies, Inc. Perpendicular magnetic tunnel junction device with offset precessional spin current layer
US10255962B1 (en) 2017-12-30 2019-04-09 Spin Memory, Inc. Microwave write-assist in orthogonal STT-MRAM
US10468588B2 (en) 2018-01-05 2019-11-05 Spin Memory, Inc. Perpendicular magnetic tunnel junction device with skyrmionic enhancement layers for the precessional spin current magnetic layer
US10438996B2 (en) 2018-01-08 2019-10-08 Spin Memory, Inc. Methods of fabricating magnetic tunnel junctions integrated with selectors
US10438995B2 (en) 2018-01-08 2019-10-08 Spin Memory, Inc. Devices including magnetic tunnel junctions integrated with selectors
US10388861B1 (en) 2018-03-08 2019-08-20 Spin Memory, Inc. Magnetic tunnel junction wafer adaptor used in magnetic annealing furnace and method of using the same
US10446744B2 (en) 2018-03-08 2019-10-15 Spin Memory, Inc. Magnetic tunnel junction wafer adaptor used in magnetic annealing furnace and method of using the same
US11107974B2 (en) 2018-03-23 2021-08-31 Spin Memory, Inc. Magnetic tunnel junction devices including a free magnetic trench layer and a planar reference magnetic layer
US20190296223A1 (en) 2018-03-23 2019-09-26 Spin Memory, Inc. Methods of Manufacturing Three-Dimensional Arrays with Magnetic Tunnel Junction Devices Including an Annular Free Magnetic Layer and a Planar Reference Magnetic Layer
US10784437B2 (en) 2018-03-23 2020-09-22 Spin Memory, Inc. Three-dimensional arrays with MTJ devices including a free magnetic trench layer and a planar reference magnetic layer
US11107978B2 (en) 2018-03-23 2021-08-31 Spin Memory, Inc. Methods of manufacturing three-dimensional arrays with MTJ devices including a free magnetic trench layer and a planar reference magnetic layer
US10411185B1 (en) 2018-05-30 2019-09-10 Spin Memory, Inc. Process for creating a high density magnetic tunnel junction array test platform
US10692569B2 (en) 2018-07-06 2020-06-23 Spin Memory, Inc. Read-out techniques for multi-bit cells
US10600478B2 (en) 2018-07-06 2020-03-24 Spin Memory, Inc. Multi-bit cell read-out techniques for MRAM cells with mixed pinned magnetization orientations
US10559338B2 (en) 2018-07-06 2020-02-11 Spin Memory, Inc. Multi-bit cell read-out techniques
US10593396B2 (en) 2018-07-06 2020-03-17 Spin Memory, Inc. Multi-bit cell read-out techniques for MRAM cells with mixed pinned magnetization orientations
US10650875B2 (en) 2018-08-21 2020-05-12 Spin Memory, Inc. System for a wide temperature range nonvolatile memory
US10699761B2 (en) 2018-09-18 2020-06-30 Spin Memory, Inc. Word line decoder memory architecture
US10971680B2 (en) 2018-10-01 2021-04-06 Spin Memory, Inc. Multi terminal device stack formation methods
US11621293B2 (en) 2018-10-01 2023-04-04 Integrated Silicon Solution, (Cayman) Inc. Multi terminal device stack systems and methods
US10580827B1 (en) 2018-11-16 2020-03-03 Spin Memory, Inc. Adjustable stabilizer/polarizer method for MRAM with enhanced stability and efficient switching
US11107979B2 (en) 2018-12-28 2021-08-31 Spin Memory, Inc. Patterned silicide structures and methods of manufacture

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US4823177A (en) * 1988-06-30 1989-04-18 United States Of America As Represented By The Secretary Of The Navy Method and device for magnetizing thin films by the use of injected spin polarized current
US5173873A (en) * 1990-06-28 1992-12-22 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration High speed magneto-resistive random access memory
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Also Published As

Publication number Publication date
JP3207094B2 (ja) 2001-09-10
KR100230064B1 (ko) 1999-11-15
EP0759619B1 (de) 2001-12-12
JPH09121066A (ja) 1997-05-06
EP0759619A2 (de) 1997-02-26
EP0759619A3 (de) 1998-10-28
DE69617833T2 (de) 2002-04-11
CN1148234A (zh) 1997-04-23
CN1130693C (zh) 2003-12-10
KR970012323A (ko) 1997-03-29
US5691936A (en) 1997-11-25

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