DE602005001673D1 - Reaktive Zerstaubungsablagerungsverfahren eines Magnesiumoxidsfilms auf einem Eisen-enthaltenden Film - Google Patents
Reaktive Zerstaubungsablagerungsverfahren eines Magnesiumoxidsfilms auf einem Eisen-enthaltenden FilmInfo
- Publication number
- DE602005001673D1 DE602005001673D1 DE602005001673T DE602005001673T DE602005001673D1 DE 602005001673 D1 DE602005001673 D1 DE 602005001673D1 DE 602005001673 T DE602005001673 T DE 602005001673T DE 602005001673 T DE602005001673 T DE 602005001673T DE 602005001673 D1 DE602005001673 D1 DE 602005001673D1
- Authority
- DE
- Germany
- Prior art keywords
- film
- iron
- deposition methods
- sputter deposition
- magnesia
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
- C23C14/025—Metallic sublayers
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
- C23C14/0036—Reactive sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/081—Oxides of aluminium, magnesium or beryllium
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
-
- 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
- G11B5/3903—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 using magnetic thin film layers or their effects, the films being part of integrated structures
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
- H01F41/302—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F41/305—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling
- H01F41/307—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices applying the spacer or adjusting its interface, e.g. in order to enable particular effect different from exchange coupling insulating or semiconductive spacer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/32—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying conductive, insulating or magnetic material on a magnetic film, specially adapted for a thin magnetic film
-
- 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
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3295—Spin-exchange coupled multilayers wherein the magnetic pinned or free layers are laminated without anti-parallel coupling within the pinned and free layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/18—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates by cathode sputtering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Power Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US927928 | 2004-08-26 | ||
US10/927,928 US20060042930A1 (en) | 2004-08-26 | 2004-08-26 | Method for reactive sputter deposition of a magnesium oxide (MgO) tunnel barrier in a magnetic tunnel junction |
Publications (2)
Publication Number | Publication Date |
---|---|
DE602005001673D1 true DE602005001673D1 (de) | 2007-08-30 |
DE602005001673T2 DE602005001673T2 (de) | 2008-04-17 |
Family
ID=35636633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602005001673T Active DE602005001673T2 (de) | 2004-08-26 | 2005-05-30 | Reaktive Zerstaubungsablagerungsverfahren eines Magnesiumoxidsfilms auf einem Eisen-enthaltenden Film |
Country Status (4)
Country | Link |
---|---|
US (1) | US20060042930A1 (de) |
EP (1) | EP1640472B1 (de) |
CN (1) | CN100359566C (de) |
DE (1) | DE602005001673T2 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4782037B2 (ja) | 2006-03-03 | 2011-09-28 | キヤノンアネルバ株式会社 | 磁気抵抗効果素子の製造方法及び製造装置 |
US8679301B2 (en) * | 2007-08-01 | 2014-03-25 | HGST Netherlands B.V. | Repeatability for RF MgO TMR barrier layer process by implementing Ti pasting |
US7488609B1 (en) | 2007-11-16 | 2009-02-10 | Hitachi Global Storage Technologies Netherlands B.V. | Method for forming an MgO barrier layer in a tunneling magnetoresistive (TMR) device |
US20130134032A1 (en) * | 2008-06-25 | 2013-05-30 | Canon Anelva Corporation | Method of fabricating and apparatus of fabricating tunnel magnetic resistive element |
US8138561B2 (en) * | 2008-09-18 | 2012-03-20 | Magic Technologies, Inc. | Structure and method to fabricate high performance MTJ devices for spin-transfer torque (STT)-RAM |
US9007818B2 (en) | 2012-03-22 | 2015-04-14 | Micron Technology, Inc. | Memory cells, semiconductor device structures, systems including such cells, and methods of fabrication |
JP5998654B2 (ja) * | 2012-05-31 | 2016-09-28 | 東京エレクトロン株式会社 | 真空処理装置、真空処理方法及び記憶媒体 |
US9054030B2 (en) | 2012-06-19 | 2015-06-09 | Micron Technology, Inc. | Memory cells, semiconductor device structures, memory systems, and methods of fabrication |
US8923038B2 (en) | 2012-06-19 | 2014-12-30 | Micron Technology, Inc. | Memory cells, semiconductor device structures, memory systems, and methods of fabrication |
US9379315B2 (en) | 2013-03-12 | 2016-06-28 | Micron Technology, Inc. | Memory cells, methods of fabrication, semiconductor device structures, and memory systems |
US9368714B2 (en) | 2013-07-01 | 2016-06-14 | Micron Technology, Inc. | Memory cells, methods of operation and fabrication, semiconductor device structures, and memory systems |
DE102013011072A1 (de) | 2013-07-03 | 2015-01-08 | Oerlikon Trading Ag, Trübbach | Targetpräparation |
US9466787B2 (en) | 2013-07-23 | 2016-10-11 | Micron Technology, Inc. | Memory cells, methods of fabrication, semiconductor device structures, memory systems, and electronic systems |
US9461242B2 (en) | 2013-09-13 | 2016-10-04 | Micron Technology, Inc. | Magnetic memory cells, methods of fabrication, semiconductor devices, memory systems, and electronic systems |
US9608197B2 (en) | 2013-09-18 | 2017-03-28 | Micron Technology, Inc. | Memory cells, methods of fabrication, and semiconductor devices |
US10454024B2 (en) | 2014-02-28 | 2019-10-22 | Micron Technology, Inc. | Memory cells, methods of fabrication, and memory devices |
CN103943774A (zh) * | 2014-03-27 | 2014-07-23 | 西安电子科技大学 | 基于镁靶的磁隧道结制备方法 |
US9281466B2 (en) | 2014-04-09 | 2016-03-08 | Micron Technology, Inc. | Memory cells, semiconductor structures, semiconductor devices, and methods of fabrication |
US9269888B2 (en) | 2014-04-18 | 2016-02-23 | Micron Technology, Inc. | Memory cells, methods of fabrication, and semiconductor devices |
US9349945B2 (en) | 2014-10-16 | 2016-05-24 | Micron Technology, Inc. | Memory cells, semiconductor devices, and methods of fabrication |
US9768377B2 (en) | 2014-12-02 | 2017-09-19 | Micron Technology, Inc. | Magnetic cell structures, and methods of fabrication |
US10439131B2 (en) | 2015-01-15 | 2019-10-08 | Micron Technology, Inc. | Methods of forming semiconductor devices including tunnel barrier materials |
US9685201B2 (en) | 2015-07-10 | 2017-06-20 | International Business Machines Corporation | Corrosion and/or oxidation damage protection for tunnel junctions |
US10665426B2 (en) * | 2015-10-28 | 2020-05-26 | Applied Materials, Inc. | Methods for thin film material deposition using reactive plasma-free physical vapor deposition |
US10640865B2 (en) * | 2016-09-09 | 2020-05-05 | Samsung Electronics Co., Ltd. | Substrate processing apparatus and method for manufacturing semiconductor device using the same |
KR102520472B1 (ko) * | 2016-09-09 | 2023-04-12 | 삼성전자주식회사 | 기판 처리 장치 및 이를 이용한 반도체 장치의 제조 방법 |
US11646143B2 (en) | 2019-05-21 | 2023-05-09 | International Business Machines Corporation | Magnetic multi-layers containing MgO sublayers as perpendicularly magnetized magnetic electrodes for magnetic memory technology |
Family Cites Families (36)
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US4166784A (en) * | 1978-04-28 | 1979-09-04 | Applied Films Lab, Inc. | Feedback control for vacuum deposition apparatus |
US4421622A (en) * | 1982-09-20 | 1983-12-20 | Advanced Coating Technology, Inc. | Method of making sputtered coatings |
US5618388A (en) * | 1988-02-08 | 1997-04-08 | Optical Coating Laboratory, Inc. | Geometries and configurations for magnetron sputtering apparatus |
US5227193A (en) * | 1990-10-02 | 1993-07-13 | Matsushita Electric Industrial Co., Ltd. | Method for manufacturing magnetic head |
US5232571A (en) * | 1991-12-23 | 1993-08-03 | Iowa State University Research Foundation, Inc. | Aluminum nitride deposition using an AlN/Al sputter cycle technique |
US5942089A (en) * | 1996-04-22 | 1999-08-24 | Northwestern University | Method for sputtering compounds on a substrate |
US5640343A (en) * | 1996-03-18 | 1997-06-17 | International Business Machines Corporation | Magnetic memory array using magnetic tunnel junction devices in the memory cells |
US5917682A (en) * | 1996-09-09 | 1999-06-29 | Matsushita Electric Industrial Co., Ltd. | Magnetic head and manufacturing method therefor |
US5729410A (en) * | 1996-11-27 | 1998-03-17 | International Business Machines Corporation | Magnetic tunnel junction device with longitudinal biasing |
WO1998042890A1 (en) * | 1997-03-21 | 1998-10-01 | Applied Films Corporation | Magnesium oxide sputtering apparatus |
US5882022A (en) * | 1997-03-28 | 1999-03-16 | Convertini; John A. | Stroller standing platform |
US6952504B2 (en) * | 2001-12-21 | 2005-10-04 | Neophotonics Corporation | Three dimensional engineering of planar optical structures |
US6150030A (en) * | 1997-11-20 | 2000-11-21 | Balzers Hochvakuum Ag | Substrate coated with an MgO-layer |
US6537428B1 (en) * | 1999-09-02 | 2003-03-25 | Veeco Instruments, Inc. | Stable high rate reactive sputtering |
US6480365B1 (en) * | 1999-12-09 | 2002-11-12 | International Business Machines Corporation | Spin valve transistor using a magnetic tunnel junction |
US6727105B1 (en) * | 2000-02-28 | 2004-04-27 | Hewlett-Packard Development Company, L.P. | Method of fabricating an MRAM device including spin dependent tunneling junction memory cells |
JP3468419B2 (ja) * | 2000-03-17 | 2003-11-17 | Tdk株式会社 | トンネル磁気抵抗効果素子、薄膜磁気ヘッド、磁気ヘッド装置及び磁気ディスク装置 |
US6281538B1 (en) * | 2000-03-22 | 2001-08-28 | Motorola, Inc. | Multi-layer tunneling device with a graded stoichiometry insulating layer |
GB2361244B (en) * | 2000-04-14 | 2004-02-11 | Trikon Holdings Ltd | A method of depositing dielectric |
US6359289B1 (en) * | 2000-04-19 | 2002-03-19 | International Business Machines Corporation | Magnetic tunnel junction device with improved insulating tunnel barrier |
US6853520B2 (en) * | 2000-09-05 | 2005-02-08 | Kabushiki Kaisha Toshiba | Magnetoresistance effect element |
JP2002167661A (ja) * | 2000-11-30 | 2002-06-11 | Anelva Corp | 磁性多層膜作製装置 |
US6721144B2 (en) * | 2001-01-04 | 2004-04-13 | International Business Machines Corporation | Spin valves with co-ferrite pinning layer |
JP4282245B2 (ja) * | 2001-01-31 | 2009-06-17 | 富士通株式会社 | 容量素子及びその製造方法並びに半導体装置 |
WO2002099905A1 (fr) * | 2001-05-31 | 2002-12-12 | National Institute Of Advanced Industrial Science And Technology | Element de magnetoresistance tunnel |
US6735060B2 (en) * | 2001-06-20 | 2004-05-11 | International Business Machines Corporation | Spin valve sensor with a metal and metal oxide cap layer structure |
US6347049B1 (en) * | 2001-07-25 | 2002-02-12 | International Business Machines Corporation | Low resistance magnetic tunnel junction device with bilayer or multilayer tunnel barrier |
US6709767B2 (en) * | 2001-07-31 | 2004-03-23 | Hitachi Global Storage Technologies Netherlands B.V. | In-situ oxidized films for use as cap and gap layers in a spin-valve sensor and methods of manufacture |
EP1488444B1 (de) * | 2002-03-15 | 2016-11-02 | Oerlikon Surface Solutions AG, Pfäffikon | Vakuumplasmagenerator |
US20040082081A1 (en) * | 2002-10-29 | 2004-04-29 | Manish Sharma | Ultra-violet treatment for a tunnel barrier layer in a tunnel junction device |
US6756128B2 (en) * | 2002-11-07 | 2004-06-29 | International Business Machines Corporation | Low-resistance high-magnetoresistance magnetic tunnel junction device with improved tunnel barrier |
US6937448B2 (en) * | 2002-11-13 | 2005-08-30 | Hitachi Global Storage Technologies Netherlands, B.V. | Spin valve having copper oxide spacer layer with specified coupling field strength between multi-layer free and pinned layer structures |
US6652906B1 (en) * | 2002-11-19 | 2003-11-25 | Hitachi Global Storage Technologies Netherlands B.V. | Fabrication of a magnetoresistance sensor structure having a spacer layer produced by multiple deposition and oxidation steps |
US6841395B2 (en) * | 2002-11-25 | 2005-01-11 | International Business Machines Corporation | Method of forming a barrier layer of a tunneling magnetoresistive sensor |
US6960397B2 (en) * | 2003-01-29 | 2005-11-01 | Korea Chungang Educational Foundation | Magnetoresistance device |
JP2005048260A (ja) * | 2003-07-31 | 2005-02-24 | Canon Inc | 反応性スパッタリング方法 |
-
2004
- 2004-08-26 US US10/927,928 patent/US20060042930A1/en not_active Abandoned
-
2005
- 2005-05-30 EP EP05104632A patent/EP1640472B1/de not_active Expired - Fee Related
- 2005-05-30 DE DE602005001673T patent/DE602005001673T2/de active Active
- 2005-08-01 CN CNB2005100878642A patent/CN100359566C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE602005001673T2 (de) | 2008-04-17 |
CN1746979A (zh) | 2006-03-15 |
EP1640472A2 (de) | 2006-03-29 |
EP1640472A3 (de) | 2006-04-05 |
CN100359566C (zh) | 2008-01-02 |
US20060042930A1 (en) | 2006-03-02 |
EP1640472B1 (de) | 2007-07-18 |
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