CN107690718B - 磁性隧道结 - Google Patents

磁性隧道结 Download PDF

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Publication number
CN107690718B
CN107690718B CN201680025908.5A CN201680025908A CN107690718B CN 107690718 B CN107690718 B CN 107690718B CN 201680025908 A CN201680025908 A CN 201680025908A CN 107690718 B CN107690718 B CN 107690718B
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magnetic
region
electrode
amorphous
tunnel junction
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CN107690718A (zh
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曼札拉·西迪克
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Micron Technology Inc
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Micron Technology Inc
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    • 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
    • H10N50/80—Constructional details
    • H10N50/85—Materials of the active region
    • 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
    • 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
    • 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
    • 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
    • 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
    • H10N50/01—Manufacture or treatment
    • 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
    • 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
    • H10N50/80—Constructional details

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Hall/Mr Elements (AREA)
  • Thin Magnetic Films (AREA)
  • Mram Or Spin Memory Techniques (AREA)
CN201680025908.5A 2015-05-05 2016-01-21 磁性隧道结 Active CN107690718B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US14/704,023 2015-05-05
US14/704,023 US9257136B1 (en) 2015-05-05 2015-05-05 Magnetic tunnel junctions
PCT/US2016/014259 WO2016178721A1 (en) 2015-05-05 2016-01-21 Magnetic tunnel junctions

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CN107690718A CN107690718A (zh) 2018-02-13
CN107690718B true CN107690718B (zh) 2021-02-19

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CN201680025908.5A Active CN107690718B (zh) 2015-05-05 2016-01-21 磁性隧道结

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US (2) US9257136B1 (enExample)
EP (1) EP3292571B1 (enExample)
JP (2) JP6599478B2 (enExample)
KR (1) KR102076400B1 (enExample)
CN (1) CN107690718B (enExample)
TW (1) TWI590501B (enExample)
WO (1) WO2016178721A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9520553B2 (en) * 2015-04-15 2016-12-13 Micron Technology, Inc. Methods of forming a magnetic electrode of a magnetic tunnel junction and methods of forming a magnetic tunnel junction
US9530959B2 (en) * 2015-04-15 2016-12-27 Micron Technology, Inc. Magnetic tunnel junctions
US9257136B1 (en) 2015-05-05 2016-02-09 Micron Technology, Inc. Magnetic tunnel junctions
US9680089B1 (en) * 2016-05-13 2017-06-13 Micron Technology, Inc. Magnetic tunnel junctions
WO2018230466A1 (ja) * 2017-06-14 2018-12-20 国立研究開発法人物質・材料研究機構 強磁性トンネル接合体、それを用いたスピントロニクスデバイス、及び強磁性トンネル接合体の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014154604A (ja) * 2013-02-05 2014-08-25 Fujitsu Semiconductor Ltd 磁気抵抗素子とその製造方法、および磁気記憶装置
WO2015041890A1 (en) * 2013-09-18 2015-03-26 Micron Technology, Inc. Memory cells, methods of fabrication, and semiconductor devices

Family Cites Families (112)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5949600A (en) 1995-09-06 1999-09-07 Kabushiki Kaisha Toshiba Signal reproduction method and magnetic recording and reproducing apparatus using tunnel current
JP3091398B2 (ja) 1995-09-14 2000-09-25 科学技術振興事業団 磁気−インピーダンス素子及びその製造方法
US5640343A (en) 1996-03-18 1997-06-17 International Business Machines Corporation Magnetic memory array using magnetic tunnel junction devices in the memory cells
US6048632A (en) 1997-08-22 2000-04-11 Nec Research Institute Self-biasing, non-magnetic, giant magnetoresistance sensor
US5898548A (en) 1997-10-24 1999-04-27 International Business Machines Corporation Shielded magnetic tunnel junction magnetoresistive read head
JP4409656B2 (ja) * 1998-03-20 2010-02-03 株式会社東芝 磁気抵抗効果素子及び磁気再生装置
US6483736B2 (en) 1998-11-16 2002-11-19 Matrix Semiconductor, Inc. Vertically stacked field programmable nonvolatile memory and method of fabrication
US6034882A (en) 1998-11-16 2000-03-07 Matrix Semiconductor, Inc. Vertically stacked field programmable nonvolatile memory and method of fabrication
US6788502B1 (en) * 1999-09-02 2004-09-07 International Business Machines Corporation Co-Fe supermalloy free layer for magnetic tunnel junction heads
US6538921B2 (en) * 2000-08-17 2003-03-25 Nve Corporation Circuit selection of magnetic memory cells and related cell structures
FR2817999B1 (fr) 2000-12-07 2003-01-10 Commissariat Energie Atomique Dispositif magnetique a polarisation de spin et a empilement(s) tri-couche(s) et memoire utilisant ce dispositif
US6646297B2 (en) 2000-12-26 2003-11-11 Ovonyx, Inc. Lower electrode isolation in a double-wide trench
WO2002058167A1 (en) * 2001-01-19 2002-07-25 Matsushita Electric Industrial Co., Ltd. Spin switch and magnaetic storage elemet using it
US6600184B1 (en) 2002-03-25 2003-07-29 International Business Machines Corporation System and method for improving magnetic tunnel junction sensor magnetoresistance
JP2006511965A (ja) 2002-12-19 2006-04-06 マトリックス セミコンダクター インコーポレイテッド 高密度不揮発性メモリを製作するための改良された方法
US7233024B2 (en) 2003-03-31 2007-06-19 Sandisk 3D Llc Three-dimensional memory device incorporating segmented bit line memory array
KR100512180B1 (ko) * 2003-07-10 2005-09-02 삼성전자주식회사 자기 랜덤 엑세스 메모리 소자의 자기 터널 접합 및 그의형성방법
JP4142993B2 (ja) 2003-07-23 2008-09-03 株式会社東芝 磁気メモリ装置の製造方法
US7009278B2 (en) 2003-11-24 2006-03-07 Sharp Laboratories Of America, Inc. 3d rram
US6946697B2 (en) 2003-12-18 2005-09-20 Freescale Semiconductor, Inc. Synthetic antiferromagnet structures for use in MTJs in MRAM technology
US7082052B2 (en) 2004-02-06 2006-07-25 Unity Semiconductor Corporation Multi-resistive state element with reactive metal
US7098495B2 (en) 2004-07-26 2006-08-29 Freescale Semiconducor, Inc. Magnetic tunnel junction element structures and methods for fabricating the same
US7324313B2 (en) 2004-09-30 2008-01-29 Hitachi Global Storage Technologies Netherlands B.V. Read sensor having an in-stack biasing structure and an AP coupled free layer structure for increased magnetic stability
US7351483B2 (en) 2004-11-10 2008-04-01 International Business Machines Corporation Magnetic tunnel junctions using amorphous materials as reference and free layers
US7423849B2 (en) 2005-09-19 2008-09-09 Hitachi Global Sotrage Technologies Netherlands B.V. Magnetoresistive (MR) elements having pinned layers with canted magnetic moments
US7532442B2 (en) 2005-09-19 2009-05-12 Hitachi Global Storage Technologies Netherlands B.V. Magnetoresistive (MR) elements having pinning layers formed from permanent magnetic material
US20070096229A1 (en) 2005-10-28 2007-05-03 Masatoshi Yoshikawa Magnetoresistive element and magnetic memory device
US8508984B2 (en) 2006-02-25 2013-08-13 Avalanche Technology, Inc. Low resistance high-TMR magnetic tunnel junction and process for fabrication thereof
US7732881B2 (en) 2006-11-01 2010-06-08 Avalanche Technology, Inc. Current-confined effect of magnetic nano-current-channel (NCC) for magnetic random access memory (MRAM)
JP4585476B2 (ja) 2006-03-16 2010-11-24 株式会社東芝 パターンド媒体および磁気記録装置
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
US7595520B2 (en) 2006-07-31 2009-09-29 Magic Technologies, Inc. Capping layer for a magnetic tunnel junction device to enhance dR/R and a method of making the same
US7672089B2 (en) * 2006-12-15 2010-03-02 Hitachi Global Storage Technologies Netherlands B.V. Current-perpendicular-to-plane sensor with dual keeper layers
US7598579B2 (en) 2007-01-30 2009-10-06 Magic Technologies, Inc. Magnetic tunnel junction (MTJ) to reduce spin transfer magnetization switching current
US8623452B2 (en) 2010-12-10 2014-01-07 Avalanche Technology, Inc. Magnetic random access memory (MRAM) with enhanced magnetic stiffness and method of making same
US20090218645A1 (en) 2007-02-12 2009-09-03 Yadav Technology Inc. multi-state spin-torque transfer magnetic random access memory
JP2008211058A (ja) 2007-02-27 2008-09-11 Toshiba Corp 磁気ランダムアクセスメモリ及びその書き込み方法
JP4682998B2 (ja) 2007-03-15 2011-05-11 ソニー株式会社 記憶素子及びメモリ
US7755076B2 (en) 2007-04-17 2010-07-13 Macronix International Co., Ltd. 4F2 self align side wall active phase change memory
US8559141B1 (en) 2007-05-07 2013-10-15 Western Digital (Fremont), Llc Spin tunneling magnetic element promoting free layer crystal growth from a barrier layer interface
US20090046397A1 (en) 2007-08-15 2009-02-19 Freescale Semiconductor, Inc. Methods and apparatus for a synthetic anti-ferromagnet structure with improved thermal stability
US7932571B2 (en) 2007-10-11 2011-04-26 Everspin Technologies, Inc. Magnetic element having reduced current density
JPWO2009054062A1 (ja) * 2007-10-26 2011-03-03 キヤノンアネルバ株式会社 サンドイッチ構造の磁化自由層を有する磁気トンネル接合素子
JP2009140952A (ja) * 2007-12-03 2009-06-25 Fujitsu Ltd Ｃｐｐ構造磁気抵抗効果素子およびその製造方法並びに記憶装置
KR20090109804A (ko) 2008-04-16 2009-10-21 삼성전자주식회사 비휘발성 메모리 소자 및 그 제조 방법
US8098520B2 (en) 2008-04-25 2012-01-17 Seagate Technology Llc Storage device including a memory cell having multiple memory layers
KR20100001260A (ko) 2008-06-26 2010-01-06 삼성전자주식회사 비휘발성 메모리 소자 및 그 제조 방법
US7732235B2 (en) 2008-06-30 2010-06-08 Sandisk 3D Llc Method for fabricating high density pillar structures by double patterning using positive photoresist
JP2010034153A (ja) 2008-07-25 2010-02-12 Toshiba Corp 磁気ランダムアクセスメモリおよびその書き込み方法
JP5203844B2 (ja) * 2008-08-07 2013-06-05 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法
WO2010026667A1 (en) 2008-09-03 2010-03-11 Canon Anelva Corporation Ferromagnetic preferred grain growth promotion seed layer for amorphous or microcrystalline mgo tunnel barrier
JP2010080806A (ja) 2008-09-29 2010-04-08 Canon Anelva Corp 磁気抵抗素子の製造法及びその記憶媒体
US8310861B2 (en) 2008-09-30 2012-11-13 Micron Technology, Inc. STT-MRAM cell structure incorporating piezoelectric stress material
US8102700B2 (en) 2008-09-30 2012-01-24 Micron Technology, Inc. Unidirectional spin torque transfer magnetic memory cell structure
US7944738B2 (en) 2008-11-05 2011-05-17 Micron Technology, Inc. Spin torque transfer cell structure utilizing field-induced antiferromagnetic or ferromagnetic coupling
US20100135061A1 (en) 2008-12-02 2010-06-03 Shaoping Li Non-Volatile Memory Cell with Ferroelectric Layer Configurations
KR101583717B1 (ko) 2009-01-13 2016-01-11 삼성전자주식회사 저항 메모리 장치의 제조방법
WO2010101340A1 (ko) 2009-03-05 2010-09-10 광주과학기술원 3차원 구조를 갖는 저항 변화 메모리 소자, 저항 변화 메모리 소자 어레이, 전자제품 및 상기 소자 제조방법
JP4810581B2 (ja) 2009-03-25 2011-11-09 株式会社東芝 不揮発性記憶装置
US7983065B2 (en) 2009-04-08 2011-07-19 Sandisk 3D Llc Three-dimensional array of re-programmable non-volatile memory elements having vertical bit lines
US8351236B2 (en) 2009-04-08 2013-01-08 Sandisk 3D Llc Three-dimensional array of re-programmable non-volatile memory elements having vertical bit lines and a single-sided word line architecture
JP2010263211A (ja) 2009-05-04 2010-11-18 Samsung Electronics Co Ltd 積層メモリ素子
US9082534B2 (en) 2009-09-15 2015-07-14 Samsung Electronics Co., Ltd. Magnetic element having perpendicular anisotropy with enhanced efficiency
JP5462272B2 (ja) 2009-10-05 2014-04-02 キヤノンアネルバ株式会社 基板冷却装置、スパッタリング装置および電子デバイスの製造方法
US8238151B2 (en) 2009-12-18 2012-08-07 Micron Technology, Inc. Transient heat assisted STTRAM cell for lower programming current
JP5175886B2 (ja) * 2010-03-17 2013-04-03 株式会社東芝 磁気抵抗効果素子および磁気メモリ
JP2012059808A (ja) 2010-09-07 2012-03-22 Sony Corp 記憶素子、メモリ装置
US9647202B2 (en) 2011-02-16 2017-05-09 Avalanche Technology, Inc. Magnetic random access memory with perpendicular enhancement layer
JP5123365B2 (ja) 2010-09-16 2013-01-23 株式会社東芝 磁気抵抗素子及び磁気メモリ
JP5514059B2 (ja) 2010-09-17 2014-06-04 株式会社東芝 磁気抵抗効果素子及び磁気ランダムアクセスメモリ
US8345471B2 (en) 2010-10-07 2013-01-01 Hynix Semiconductor Inc. Magneto-resistance element and semiconductor memory device including the same
US8427791B2 (en) 2010-11-23 2013-04-23 HGST Netherlands B.V. Magnetic tunnel junction having a magnetic insertion layer and methods of producing the same
US9454997B2 (en) 2010-12-02 2016-09-27 Micron Technology, Inc. Array of nonvolatile memory cells having at least five memory cells per unit cell, having a plurality of the unit cells which individually comprise three elevational regions of programmable material, and/or having a continuous volume having a combination of a plurality of vertically oriented memory cells and a plurality of horizontally oriented memory cells; array of vertically stacked tiers of nonvolatile memory cells
US9070464B2 (en) 2010-12-10 2015-06-30 Avalanche Technology, Inc. Magnetic random access memory (MRAM) with enhanced magnetic stiffness and method of making same
US9028910B2 (en) 2010-12-10 2015-05-12 Avalanche Technology, Inc. MTJ manufacturing method utilizing in-situ annealing and etch back
US8431458B2 (en) 2010-12-27 2013-04-30 Micron Technology, Inc. Methods of forming a nonvolatile memory cell and methods of forming an array of nonvolatile memory cells
EP2477227B1 (en) 2011-01-13 2019-03-27 Crocus Technology S.A. Magnetic tunnel junction comprising a polarizing layer
JP2012204432A (ja) 2011-03-24 2012-10-22 Toshiba Corp 磁気ランダムアクセスメモリ及びその製造方法
US8790798B2 (en) 2011-04-18 2014-07-29 Alexander Mikhailovich Shukh Magnetoresistive element and method of manufacturing the same
US8541855B2 (en) 2011-05-10 2013-09-24 Magic Technologies, Inc. Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications
US8507114B2 (en) 2011-06-30 2013-08-13 Seagate Technology Llc Recording layer for heat assisted magnetic recording
JP2013041912A (ja) 2011-08-12 2013-02-28 Toshiba Corp 磁気ランダムアクセスメモリ
JP2013115413A (ja) 2011-12-01 2013-06-10 Sony Corp 記憶素子、記憶装置
US9058885B2 (en) 2011-12-07 2015-06-16 Agency For Science, Technology And Research Magnetoresistive device and a writing method for a magnetoresistive device
JP2013140891A (ja) 2012-01-05 2013-07-18 Toshiba Corp 磁気抵抗効果素子の製造方法
US8871365B2 (en) 2012-02-28 2014-10-28 Headway Technologies, Inc. High thermal stability reference structure with out-of-plane aniotropy to magnetic device applications
US8617644B2 (en) 2012-03-08 2013-12-31 HGST Netherlands B.V. Method for making a current-perpendicular-to-the-plane (CPP) magnetoresistive sensor containing a ferromagnetic alloy requiring post-deposition annealing
US20130307097A1 (en) 2012-05-15 2013-11-21 Ge Yi Magnetoresistive random access memory cell design
US9214624B2 (en) 2012-07-27 2015-12-15 Qualcomm Incorporated Amorphous spacerlattice spacer for perpendicular MTJs
WO2014022304A1 (en) 2012-07-30 2014-02-06 The Regents Of The University Of California Multiple-bits-per-cell voltage-controlled magnetic memory
JP5597899B2 (ja) 2012-09-21 2014-10-01 株式会社東芝 磁気抵抗素子および磁気メモリ
US8836056B2 (en) 2012-09-26 2014-09-16 Intel Corporation Perpendicular MTJ stacks with magnetic anisotropy enhancing layer and crystallization barrier layer
KR101967352B1 (ko) 2012-10-31 2019-04-10 삼성전자주식회사 자기 메모리 소자 및 그 제조 방법
JP5680045B2 (ja) 2012-11-14 2015-03-04 株式会社東芝 磁気抵抗素子及び磁気メモリ
US9252710B2 (en) 2012-11-27 2016-02-02 Headway Technologies, Inc. Free layer with out-of-plane anisotropy for magnetic device applications
US10522589B2 (en) 2012-12-24 2019-12-31 Shanghai Ciyu Information Technologies Co., Ltd. Method of making a magnetoresistive element
US20140203383A1 (en) 2013-01-24 2014-07-24 T3Memory, Inc. Perpendicular magnetoresistive memory element
US9196335B2 (en) 2013-03-14 2015-11-24 Kabushiki Kaisha Toshiba Magnetic memory
US9184374B2 (en) 2013-03-22 2015-11-10 Kazuya Sawada Magnetoresistive element
WO2014188525A1 (ja) * 2013-05-22 2014-11-27 株式会社日立製作所 スピン波デバイス及びスピン波デバイスを用いた論理回路
US9240547B2 (en) 2013-09-10 2016-01-19 Micron Technology, Inc. Magnetic tunnel junctions and methods of forming magnetic tunnel junctions
JP2015060970A (ja) * 2013-09-19 2015-03-30 株式会社東芝 磁気抵抗素子および磁気メモリ
US9257638B2 (en) 2014-03-27 2016-02-09 Lam Research Corporation Method to etch non-volatile metal materials
JP6345037B2 (ja) * 2014-08-26 2018-06-20 ルネサスエレクトロニクス株式会社 半導体装置およびその製造方法
US9099124B1 (en) * 2014-09-28 2015-08-04 HGST Netherlands B.V. Tunneling magnetoresistive (TMR) device with MgO tunneling barrier layer and nitrogen-containing layer for minimization of boron diffusion
US9373779B1 (en) 2014-12-08 2016-06-21 Micron Technology, Inc. Magnetic tunnel junctions
US9502642B2 (en) 2015-04-10 2016-11-22 Micron Technology, Inc. Magnetic tunnel junctions, methods used while forming magnetic tunnel junctions, and methods of forming magnetic tunnel junctions
US9520553B2 (en) 2015-04-15 2016-12-13 Micron Technology, Inc. Methods of forming a magnetic electrode of a magnetic tunnel junction and methods of forming a magnetic tunnel junction
US9530959B2 (en) 2015-04-15 2016-12-27 Micron Technology, Inc. Magnetic tunnel junctions
US9177573B1 (en) 2015-04-30 2015-11-03 HGST Netherlands B.V. Tunneling magnetoresistive (TMR) device with magnesium oxide tunneling barrier layer and free layer having insertion layer
US9257136B1 (en) 2015-05-05 2016-02-09 Micron Technology, Inc. Magnetic tunnel junctions
US9960346B2 (en) 2015-05-07 2018-05-01 Micron Technology, Inc. Magnetic tunnel junctions

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014154604A (ja) * 2013-02-05 2014-08-25 Fujitsu Semiconductor Ltd 磁気抵抗素子とその製造方法、および磁気記憶装置
WO2015041890A1 (en) * 2013-09-18 2015-03-26 Micron Technology, Inc. Memory cells, methods of fabrication, and semiconductor devices

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Publication number Publication date
EP3292571A4 (en) 2019-01-16
CN107690718A (zh) 2018-02-13
KR102076400B1 (ko) 2020-02-11
US20160329489A1 (en) 2016-11-10
TW201709574A (zh) 2017-03-01
EP3292571A1 (en) 2018-03-14
US9553259B2 (en) 2017-01-24
US9257136B1 (en) 2016-02-09
TWI590501B (zh) 2017-07-01
KR20180003599A (ko) 2018-01-09
WO2016178721A1 (en) 2016-11-10
JP2018515922A (ja) 2018-06-14
JP6908639B2 (ja) 2021-07-28
EP3292571B1 (en) 2021-10-06
JP6599478B2 (ja) 2019-10-30
JP2019091928A (ja) 2019-06-13

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