BRPI0907144A2 - célula de junção túnel magnética incluindo múltiplos domínios magnéticos - Google Patents

célula de junção túnel magnética incluindo múltiplos domínios magnéticos

Info

Publication number
BRPI0907144A2
BRPI0907144A2 BRPI0907144A BRPI0907144A BRPI0907144A2 BR PI0907144 A2 BRPI0907144 A2 BR PI0907144A2 BR PI0907144 A BRPI0907144 A BR PI0907144A BR PI0907144 A BRPI0907144 A BR PI0907144A BR PI0907144 A2 BRPI0907144 A2 BR PI0907144A2
Authority
BR
Brazil
Prior art keywords
including multiple
tunnel junction
cell including
junction cell
magnetic
Prior art date
Application number
BRPI0907144A
Other languages
English (en)
Inventor
Xia Li
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of BRPI0907144A2 publication Critical patent/BRPI0907144A2/pt
Publication of BRPI0907144B1 publication Critical patent/BRPI0907144B1/pt

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/14Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements
    • G11C11/15Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using thin-film elements using multiple magnetic layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/56Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
    • G11C11/5607Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency using magnetic storage elements
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/161Digital 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/165Auxiliary circuits
    • G11C11/1653Address circuits or decoders
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/165Auxiliary circuits
    • G11C11/1659Cell access
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11CSTATIC STORES
    • G11C11/00Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/02Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
    • G11C11/16Digital 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
    • G11C11/165Auxiliary circuits
    • G11C11/1675Writing or programming circuits or methods
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/01Manufacture or treatment
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N50/00Galvanomagnetic devices
    • H10N50/10Magnetoresistive devices
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00Nanotechnology
    • Y10S977/902Specified use of nanostructure
    • Y10S977/932Specified use of nanostructure for electronic or optoelectronic application
    • Y10S977/933Spintronics or quantum computing
    • Y10S977/935Spin dependent tunnel, SDT, junction, e.g. tunneling magnetoresistance, TMR

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Manufacturing & Machinery (AREA)
  • Hall/Mr Elements (AREA)
  • Mram Or Spin Memory Techniques (AREA)
  • Semiconductor Memories (AREA)
BRPI0907144-0A 2008-02-01 2009-01-28 célula de junção de túnel magnética incluindo múltiplos domínios magnéticos BRPI0907144B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/024,157 US7936596B2 (en) 2008-02-01 2008-02-01 Magnetic tunnel junction cell including multiple magnetic domains
PCT/US2009/032209 WO2009099826A1 (en) 2008-02-01 2009-01-28 Magnetic tunnel junction cell including multiple magnetic domains

Publications (2)

Publication Number Publication Date
BRPI0907144A2 true BRPI0907144A2 (pt) 2016-11-01
BRPI0907144B1 BRPI0907144B1 (pt) 2019-11-12

Family

ID=40578058

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0907144-0A BRPI0907144B1 (pt) 2008-02-01 2009-01-28 célula de junção de túnel magnética incluindo múltiplos domínios magnéticos

Country Status (11)

Country Link
US (1) US7936596B2 (pt)
EP (1) EP2240934B1 (pt)
JP (1) JP5432187B2 (pt)
KR (1) KR101187831B1 (pt)
CN (1) CN101965615B (pt)
BR (1) BRPI0907144B1 (pt)
CA (1) CA2713337C (pt)
ES (1) ES2520342T3 (pt)
MX (1) MX2010008268A (pt)
RU (1) RU2463676C2 (pt)
WO (1) WO2009099826A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8634231B2 (en) 2009-08-24 2014-01-21 Qualcomm Incorporated Magnetic tunnel junction structure
US7885105B2 (en) 2008-03-25 2011-02-08 Qualcomm Incorporated Magnetic tunnel junction cell including multiple vertical magnetic domains
US9385308B2 (en) * 2010-03-26 2016-07-05 Qualcomm Incorporated Perpendicular magnetic tunnel junction structure
US8674465B2 (en) * 2010-08-05 2014-03-18 Qualcomm Incorporated MRAM device and integration techniques compatible with logic integration
US8446757B2 (en) * 2010-08-18 2013-05-21 International Business Machines Corporation Spin-torque transfer magneto-resistive memory architecture
US8422287B2 (en) * 2010-09-09 2013-04-16 Magic Technologies, Inc. Pulse field assisted spin momentum transfer MRAM design
US9712171B2 (en) * 2013-09-11 2017-07-18 Intel Corporation Clocked all-spin logic circuit
US9559698B2 (en) * 2013-09-30 2017-01-31 Intel Corporation Spintronic logic element
US9190260B1 (en) * 2014-11-13 2015-11-17 Globalfoundries Inc. Topological method to build self-aligned MTJ without a mask
CN104795489A (zh) * 2015-04-20 2015-07-22 北京航空航天大学 一种新型的四端磁存储器件
JP6216403B2 (ja) 2016-03-22 2017-10-18 株式会社東芝 磁気記憶素子及び不揮発性記憶装置
US9972771B2 (en) * 2016-03-24 2018-05-15 Taiwan Semiconductor Manufacturing Co., Ltd. MRAM devices and methods of forming the same
US11386320B2 (en) 2019-03-06 2022-07-12 International Business Machines Corporation Magnetic domain wall-based non-volatile, linear and bi-directional synaptic weight element
US12431214B2 (en) * 2021-12-29 2025-09-30 Taiwan Semiconductor Manufacturing Company, Ltd. External magnetic field detection for MRAM device
US12598919B2 (en) 2022-12-09 2026-04-07 International Business Machines Corporation MRAM device with hammerhead profile

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6072718A (en) * 1998-02-10 2000-06-06 International Business Machines Corporation Magnetic memory devices having multiple magnetic tunnel junctions therein
JP2002025015A (ja) * 2000-07-06 2002-01-25 Sony Corp 磁気トンネル効果型磁気ヘッド及びその製造方法
JP2002111096A (ja) * 2000-09-29 2002-04-12 Toshiba Corp 磁気抵抗素子、磁気抵抗素子を用いた半導体記憶装置、およびこれらの製造方法
JP2002353415A (ja) * 2001-05-23 2002-12-06 Internatl Business Mach Corp <Ibm> 記憶素子、メモリセル及び記憶回路ブロック
JP2003209228A (ja) * 2001-11-07 2003-07-25 Toshiba Corp 磁気記憶装置及びその製造方法
US6795334B2 (en) * 2001-12-21 2004-09-21 Kabushiki Kaisha Toshiba Magnetic random access memory
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
US6621730B1 (en) * 2002-08-27 2003-09-16 Motorola, Inc. Magnetic random access memory having a vertical write line
US7109539B2 (en) * 2004-03-09 2006-09-19 International Business Machines Corporation Multiple-bit magnetic random access memory cell employing adiabatic switching
US7072208B2 (en) * 2004-07-28 2006-07-04 Headway Technologies, Inc. Vortex magnetic random access memory
US7221584B2 (en) * 2004-08-13 2007-05-22 Taiwan Semiconductor Manufacturing Company, Ltd. MRAM cell having shared configuration
RU2310928C2 (ru) * 2004-10-27 2007-11-20 Самсунг Электроникс Ко., Лтд. Усовершенствованное многоразрядное магнитное запоминающее устройство с произвольной выборкой и способы его функционирования и производства
US7154773B2 (en) * 2005-03-31 2006-12-26 Infineon Technologies Ag MRAM cell with domain wall switching and field select
KR100763910B1 (ko) 2006-02-23 2007-10-05 삼성전자주식회사 마그네틱 도메인 드래깅을 이용하는 자성 메모리 소자
US7804668B2 (en) * 2006-11-16 2010-09-28 Headway Technologies, Inc. Enhanced hard bias in thin film magnetoresistive sensors with perpendicular easy axis growth of hard bias and strong shield-hard bias coupling

Also Published As

Publication number Publication date
KR101187831B1 (ko) 2012-10-05
EP2240934A1 (en) 2010-10-20
ES2520342T3 (es) 2014-11-11
EP2240934B1 (en) 2014-08-27
BRPI0907144B1 (pt) 2019-11-12
JP2011512030A (ja) 2011-04-14
RU2463676C2 (ru) 2012-10-10
KR20100107064A (ko) 2010-10-04
US20090194832A1 (en) 2009-08-06
CN101965615A (zh) 2011-02-02
CN101965615B (zh) 2013-09-11
WO2009099826A1 (en) 2009-08-13
CA2713337A1 (en) 2009-08-13
JP5432187B2 (ja) 2014-03-05
US7936596B2 (en) 2011-05-03
MX2010008268A (es) 2010-10-20
CA2713337C (en) 2013-12-10
RU2010136657A (ru) 2012-03-10

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06T Formal requirements before examination [chapter 6.20 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/11/2019, OBSERVADAS AS CONDICOES LEGAIS. (CO) 10 (DEZ) ANOS CONTADOS A PARTIR DE 12/11/2019, OBSERVADAS AS CONDICOES LEGAIS