CN1294390A - 场响应增强的磁元件及其制造方法 - Google Patents
场响应增强的磁元件及其制造方法 Download PDFInfo
- Publication number
- CN1294390A CN1294390A CN00131625A CN00131625A CN1294390A CN 1294390 A CN1294390 A CN 1294390A CN 00131625 A CN00131625 A CN 00131625A CN 00131625 A CN00131625 A CN 00131625A CN 1294390 A CN1294390 A CN 1294390A
- Authority
- CN
- China
- Prior art keywords
- layer
- ferromagnetic
- metal layers
- bottom metal
- electrode
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims abstract description 93
- 230000005294 ferromagnetic effect Effects 0.000 claims abstract description 65
- 230000008878 coupling Effects 0.000 claims abstract description 45
- 238000010168 coupling process Methods 0.000 claims abstract description 45
- 238000005859 coupling reaction Methods 0.000 claims abstract description 45
- 229910052751 metal Inorganic materials 0.000 claims description 47
- 239000002184 metal Substances 0.000 claims description 47
- 238000000926 separation method Methods 0.000 claims description 37
- 239000013078 crystal Substances 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 claims description 19
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 15
- 229910052715 tantalum Inorganic materials 0.000 claims description 12
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims description 11
- 239000000758 substrate Substances 0.000 claims description 9
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052707 ruthenium Inorganic materials 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229910017464 nitrogen compound Inorganic materials 0.000 claims description 6
- 150000002830 nitrogen compounds Chemical class 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 2
- 239000003989 dielectric material Substances 0.000 claims description 2
- 229910003321 CoFe Inorganic materials 0.000 claims 1
- -1 NiFeCo Inorganic materials 0.000 claims 1
- 238000004070 electrodeposition Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 125000006850 spacer group Chemical group 0.000 abstract 5
- 239000010953 base metal Substances 0.000 abstract 3
- 230000004044 response Effects 0.000 description 14
- 230000005290 antiferromagnetic effect Effects 0.000 description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 9
- 239000000956 alloy Substances 0.000 description 9
- 238000007788 roughening Methods 0.000 description 7
- 229910000863 Ferronickel Inorganic materials 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 229910017052 cobalt Inorganic materials 0.000 description 6
- 239000010941 cobalt Substances 0.000 description 6
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000010948 rhodium Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910017107 AlOx Inorganic materials 0.000 description 2
- 229910004156 TaNx Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 229910052703 rhodium Inorganic materials 0.000 description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 150000003481 tantalum Chemical class 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
Images
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
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
-
- 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
-
- 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
-
- 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
- H01F10/3268—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the exchange coupling being asymmetric, e.g. by use of additional pinning, by using antiferromagnetic or ferromagnetic coupling interface, i.e. so-called spin-valve [SV] structure, e.g. NiFe/Cu/NiFe/FeMn
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Nanotechnology (AREA)
- Hall/Mr Elements (AREA)
- Thin Magnetic Films (AREA)
- Magnetic Heads (AREA)
- Semiconductor Memories (AREA)
- Measuring Magnetic Variables (AREA)
- Mram Or Spin Memory Techniques (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/422,447 | 1999-10-21 | ||
US09/422,447 US6205052B1 (en) | 1999-10-21 | 1999-10-21 | Magnetic element with improved field response and fabricating method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1294390A true CN1294390A (zh) | 2001-05-09 |
CN1192392C CN1192392C (zh) | 2005-03-09 |
Family
ID=23674929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001316257A Expired - Lifetime CN1192392C (zh) | 1999-10-21 | 2000-10-20 | 场响应增强的磁元件及其制造方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6205052B1 (zh) |
EP (1) | EP1094329A3 (zh) |
JP (1) | JP2001203405A (zh) |
KR (1) | KR100807295B1 (zh) |
CN (1) | CN1192392C (zh) |
SG (1) | SG87185A1 (zh) |
TW (1) | TW498167B (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100339915C (zh) * | 2002-08-30 | 2007-09-26 | 飞思卡尔半导体公司 | 隧道结磁电阻元件及其制备方法 |
CN1607607B (zh) * | 2003-09-26 | 2010-05-12 | 三星电子株式会社 | 包括均匀厚度隧道膜的磁随机存取存储器及其制造方法 |
CN103682084A (zh) * | 2012-08-30 | 2014-03-26 | 三星电子株式会社 | 磁存储器件及其形成方法 |
CN104134748A (zh) * | 2014-07-17 | 2014-11-05 | 北京航空航天大学 | 一种信息传感及存储器件及其制备方法 |
CN114730572A (zh) * | 2020-03-30 | 2022-07-08 | 西部数据技术公司 | 用于减轻平面外力和挠曲振动的相位变化的基于压电的微致动器布置 |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4309075B2 (ja) * | 2000-07-27 | 2009-08-05 | 株式会社東芝 | 磁気記憶装置 |
US6803615B1 (en) * | 2001-02-23 | 2004-10-12 | Western Digital (Fremont), Inc. | Magnetic tunnel junction MRAM with improved stability |
TW560095B (en) * | 2001-04-02 | 2003-11-01 | Canon Kk | Magnetoresistive element, memory element having the magnetoresistive element, and memory using the memory element |
DE10128964B4 (de) * | 2001-06-15 | 2012-02-09 | Qimonda Ag | Digitale magnetische Speicherzelleneinrichtung |
US6545906B1 (en) | 2001-10-16 | 2003-04-08 | Motorola, Inc. | Method of writing to scalable magnetoresistance random access memory element |
US6531723B1 (en) * | 2001-10-16 | 2003-03-11 | Motorola, Inc. | Magnetoresistance random access memory for improved scalability |
US6597597B2 (en) * | 2001-11-13 | 2003-07-22 | Hewlett-Packard Company | Low temperature attaching process for MRAM components |
US6747301B1 (en) | 2002-02-06 | 2004-06-08 | Western Digital (Fremont), Inc. | Spin dependent tunneling barriers formed with a magnetic alloy |
WO2004006335A1 (ja) * | 2002-07-09 | 2004-01-15 | Nec Corporation | 磁気ランダムアクセスメモリ |
US7095646B2 (en) * | 2002-07-17 | 2006-08-22 | Freescale Semiconductor, Inc. | Multi-state magnetoresistance random access cell with improved memory storage density |
US6654278B1 (en) * | 2002-07-31 | 2003-11-25 | Motorola, Inc. | Magnetoresistance random access memory |
US6831312B2 (en) | 2002-08-30 | 2004-12-14 | Freescale Semiconductor, Inc. | Amorphous alloys for magnetic devices |
US6903909B2 (en) * | 2002-11-01 | 2005-06-07 | Hewlett-Packard Development Company, L.P. | Magnetoresistive element including ferromagnetic sublayer having smoothed surface |
US6743642B2 (en) * | 2002-11-06 | 2004-06-01 | International Business Machines Corporation | Bilayer CMP process to improve surface roughness of magnetic stack in MRAM technology |
US20040175845A1 (en) * | 2003-03-03 | 2004-09-09 | Molla Jaynal A. | Method of forming a flux concentrating layer of a magnetic device |
KR20040084095A (ko) * | 2003-03-26 | 2004-10-06 | 주식회사 하이닉스반도체 | 마그네틱 램의 형성방법 |
US6956763B2 (en) * | 2003-06-27 | 2005-10-18 | Freescale Semiconductor, Inc. | MRAM element and methods for writing the MRAM element |
US6862211B2 (en) * | 2003-07-07 | 2005-03-01 | Hewlett-Packard Development Company | Magneto-resistive memory device |
US6967366B2 (en) * | 2003-08-25 | 2005-11-22 | Freescale Semiconductor, Inc. | Magnetoresistive random access memory with reduced switching field variation |
US20050073878A1 (en) * | 2003-10-03 | 2005-04-07 | Taiwan Semiconductor Manufacturing Co., Ltd. | Multi-sensing level MRAM structure with different magnetoresistance ratios |
KR101001742B1 (ko) * | 2003-10-24 | 2010-12-15 | 삼성전자주식회사 | 자기 램 및 그 제조방법 |
US7072209B2 (en) * | 2003-12-29 | 2006-07-04 | Micron Technology, Inc. | Magnetic memory having synthetic antiferromagnetic pinned layer |
US7105372B2 (en) | 2004-01-20 | 2006-09-12 | Headway Technologies, Inc. | Magnetic tunneling junction film structure with process determined in-plane magnetic anisotropy |
US8465853B2 (en) * | 2004-03-24 | 2013-06-18 | Marvell World Trade Ltd. | Glassy metal disk |
US7611912B2 (en) * | 2004-06-30 | 2009-11-03 | Headway Technologies, Inc. | Underlayer for high performance magnetic tunneling junction MRAM |
US7098495B2 (en) * | 2004-07-26 | 2006-08-29 | Freescale Semiconducor, Inc. | Magnetic tunnel junction element structures and methods for fabricating the same |
JP4550552B2 (ja) * | 2004-11-02 | 2010-09-22 | 株式会社東芝 | 磁気抵抗効果素子、磁気ランダムアクセスメモリ、磁気抵抗効果素子の製造方法 |
US7129098B2 (en) * | 2004-11-24 | 2006-10-31 | Freescale Semiconductor, Inc. | Reduced power magnetoresistive random access memory elements |
US7777261B2 (en) * | 2005-09-20 | 2010-08-17 | Grandis Inc. | Magnetic device having stabilized free ferromagnetic layer |
US7973349B2 (en) * | 2005-09-20 | 2011-07-05 | Grandis Inc. | Magnetic device having multilayered free ferromagnetic layer |
US7894248B2 (en) * | 2008-09-12 | 2011-02-22 | Grandis Inc. | Programmable and redundant circuitry based on magnetic tunnel junction (MTJ) |
JP2009055050A (ja) * | 2008-10-06 | 2009-03-12 | Canon Anelva Corp | スピンバルブ型巨大磁気抵抗薄膜またはtmr膜の製造方法 |
KR101178767B1 (ko) * | 2008-10-30 | 2012-09-07 | 한국과학기술연구원 | 이중 자기 이방성 자유층을 갖는 자기 터널 접합 구조 |
US8508221B2 (en) | 2010-08-30 | 2013-08-13 | Everspin Technologies, Inc. | Two-axis magnetic field sensor having reduced compensation angle for zero offset |
US9368136B2 (en) * | 2014-02-27 | 2016-06-14 | Seagate Technology Llc | Magnetoresistive sensor having synthetic antiferromagnetic layer in top and bottom shields |
US20150263267A1 (en) * | 2014-03-13 | 2015-09-17 | Hiroyuki Kanaya | Magnetic memory and method for manufacturing the same |
KR102465539B1 (ko) | 2015-09-18 | 2022-11-11 | 삼성전자주식회사 | 자기 터널 접합 구조체를 포함하는 반도체 소자 및 그의 형성 방법 |
US10115892B2 (en) | 2015-11-23 | 2018-10-30 | Headway Technologies, Inc. | Multilayer structure for reducing film roughness in magnetic devices |
US9780299B2 (en) | 2015-11-23 | 2017-10-03 | Headway Technologies, Inc. | Multilayer structure for reducing film roughness in magnetic devices |
US10622047B2 (en) | 2018-03-23 | 2020-04-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Free layer structure in magnetic random access memory (MRAM) for Mo or W perpendicular magnetic anisotropy (PMA) enhancing layer |
US10522752B1 (en) | 2018-08-22 | 2019-12-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Magnetic layer for magnetic random access memory (MRAM) by moment enhancement |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US5329486A (en) * | 1992-04-24 | 1994-07-12 | Motorola, Inc. | Ferromagnetic memory device |
US5617071A (en) * | 1992-11-16 | 1997-04-01 | Nonvolatile Electronics, Incorporated | Magnetoresistive structure comprising ferromagnetic thin films and intermediate alloy layer having magnetic concentrator and shielding permeable masses |
JPH0778313A (ja) * | 1993-09-08 | 1995-03-20 | Hitachi Ltd | 磁気記録再生装置 |
US5583725A (en) * | 1994-06-15 | 1996-12-10 | International Business Machines Corporation | Spin valve magnetoresistive sensor with self-pinned laminated layer and magnetic recording system using the sensor |
US5909345A (en) * | 1996-02-22 | 1999-06-01 | Matsushita Electric Industrial Co., Ltd. | Magnetoresistive device and magnetoresistive head |
US5640343A (en) * | 1996-03-18 | 1997-06-17 | International Business Machines Corporation | Magnetic memory array using magnetic tunnel junction devices in the memory cells |
US5764567A (en) * | 1996-11-27 | 1998-06-09 | International Business Machines Corporation | Magnetic tunnel junction device with nonferromagnetic interface layer for improved magnetic field response |
JP3177184B2 (ja) * | 1996-04-30 | 2001-06-18 | 株式会社東芝 | 磁気抵抗効果素子とそれを用いた磁気ヘッドおよび磁気記録再生装置 |
JP3593220B2 (ja) * | 1996-10-11 | 2004-11-24 | アルプス電気株式会社 | 磁気抵抗効果多層膜 |
US5768181A (en) * | 1997-04-07 | 1998-06-16 | Motorola, Inc. | Magnetic device having multi-layer with insulating and conductive layers |
US5940319A (en) * | 1998-08-31 | 1999-08-17 | Motorola, Inc. | Magnetic random access memory and fabricating method thereof |
-
1999
- 1999-10-21 US US09/422,447 patent/US6205052B1/en not_active Expired - Lifetime
-
2000
- 2000-10-03 TW TW089120549A patent/TW498167B/zh not_active IP Right Cessation
- 2000-10-06 KR KR1020000058911A patent/KR100807295B1/ko not_active Expired - Lifetime
- 2000-10-13 SG SG200005854A patent/SG87185A1/en unknown
- 2000-10-18 JP JP2000317501A patent/JP2001203405A/ja active Pending
- 2000-10-19 EP EP00122809A patent/EP1094329A3/en not_active Withdrawn
- 2000-10-20 CN CNB001316257A patent/CN1192392C/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100339915C (zh) * | 2002-08-30 | 2007-09-26 | 飞思卡尔半导体公司 | 隧道结磁电阻元件及其制备方法 |
CN1607607B (zh) * | 2003-09-26 | 2010-05-12 | 三星电子株式会社 | 包括均匀厚度隧道膜的磁随机存取存储器及其制造方法 |
CN103682084A (zh) * | 2012-08-30 | 2014-03-26 | 三星电子株式会社 | 磁存储器件及其形成方法 |
CN103682084B (zh) * | 2012-08-30 | 2017-10-31 | 三星电子株式会社 | 磁存储器件及其形成方法 |
CN104134748A (zh) * | 2014-07-17 | 2014-11-05 | 北京航空航天大学 | 一种信息传感及存储器件及其制备方法 |
CN104134748B (zh) * | 2014-07-17 | 2017-01-11 | 北京航空航天大学 | 一种信息传感及存储器件及其制备方法 |
CN114730572A (zh) * | 2020-03-30 | 2022-07-08 | 西部数据技术公司 | 用于减轻平面外力和挠曲振动的相位变化的基于压电的微致动器布置 |
Also Published As
Publication number | Publication date |
---|---|
EP1094329A3 (en) | 2004-09-01 |
KR20010050902A (ko) | 2001-06-25 |
KR100807295B1 (ko) | 2008-02-28 |
TW498167B (en) | 2002-08-11 |
SG87185A1 (en) | 2002-03-19 |
EP1094329A2 (en) | 2001-04-25 |
US6205052B1 (en) | 2001-03-20 |
JP2001203405A (ja) | 2001-07-27 |
CN1192392C (zh) | 2005-03-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1192392C (zh) | 场响应增强的磁元件及其制造方法 | |
CN1171323C (zh) | 具有双磁态的磁性元件 | |
EP1547101B1 (en) | Amorphous alloys for magnetic devices | |
US7054119B2 (en) | Coupled ferromagnetic systems having modified interfaces | |
US7679155B2 (en) | Multiple magneto-resistance devices based on doped magnesium oxide | |
KR101166356B1 (ko) | 고성능 자기 터널링 접합 mram을 위한 새로운 하층 | |
US6590806B1 (en) | Multibit magnetic memory element | |
US6376260B1 (en) | Magnetic element with improved field response and fabricating method thereof | |
EP2366199B1 (en) | Magnetic memory cells with radial barrier | |
US8236576B2 (en) | Magnetic logic element with toroidal multiple magnetic films and a method of logic treatment using the same | |
US20130005052A1 (en) | Magnetic tunnel junction with iron dusting layer between free layer and tunnel barrier | |
US20130005051A1 (en) | Magnetic stacks with perpendicular magnetic anisotropy for spin momentum transfer magnetoresistive random access memory | |
CN1679121A (zh) | 改进的mram遂道结的纳米晶体层 | |
JP2004179219A (ja) | 磁気デバイスおよびこれを用いた磁気メモリ | |
US20140138783A1 (en) | MR Device with Synthetic Free Layer Structure | |
US20070215955A1 (en) | Magnetic tunneling junction structure for magnetic random access memory | |
HK1075125A (zh) | 具有雙磁態的磁性元件及其製造方法 | |
JP2001320109A (ja) | 磁気抵抗(mr)素子の構造及び製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
BB1A | Publication of application | ||
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: FREEDOM SEMICONDUCTORS CO. Free format text: FORMER OWNER: MOTOROLA, INC. Effective date: 20040820 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20040820 Address after: Texas in the United States Applicant after: FreeScale Semiconductor Address before: Illinois Instrunment Applicant before: Motorola, Inc. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090306 Address after: Arizona USA Patentee after: EVERSPIN TECHNOLOGIES, Inc. Address before: Texas in the United States Patentee before: FreeScale Semiconductor |
|
ASS | Succession or assignment of patent right |
Owner name: EVERSPIN TECHNOLOGIES, INC. Free format text: FORMER OWNER: FREEDOM SEMICONDUCTORS CO. Effective date: 20090306 |
|
CX01 | Expiry of patent term |
Granted publication date: 20050309 |
|
CX01 | Expiry of patent term |