CN109494300A - 磁装置及其制造方法 - Google Patents
磁装置及其制造方法 Download PDFInfo
- Publication number
- CN109494300A CN109494300A CN201810148600.0A CN201810148600A CN109494300A CN 109494300 A CN109494300 A CN 109494300A CN 201810148600 A CN201810148600 A CN 201810148600A CN 109494300 A CN109494300 A CN 109494300A
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- CN
- China
- Prior art keywords
- layer
- magnetic
- ferromagnetic body
- ferromagnetic
- magnetic device
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- 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.)
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- 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
- 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
-
- 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
- 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
- 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
- H01F10/3286—Spin-exchange coupled multilayers having at least one layer with perpendicular magnetic anisotropy
-
- 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
-
- 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
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
-
- 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
- H10N50/80—Constructional details
- H10N50/85—Magnetic active materials
-
- 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
- G11C11/165—Auxiliary circuits
- G11C11/1653—Address circuits or decoders
- G11C11/1657—Word-line or row circuits
-
- 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
- G11C11/165—Auxiliary circuits
- G11C11/1673—Reading or sensing circuits or methods
-
- 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
- G11C11/165—Auxiliary circuits
- G11C11/1675—Writing or programming circuits or methods
-
- 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
- H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
- H01F10/30—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the intermediate layers, e.g. seed, buffer, template, diffusion preventing, cap layers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Hardware Design (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017175925A JP2019054054A (ja) | 2017-09-13 | 2017-09-13 | 磁気装置 |
JP2017-175925 | 2017-09-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109494300A true CN109494300A (zh) | 2019-03-19 |
CN109494300B CN109494300B (zh) | 2022-08-30 |
Family
ID=65631981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810148600.0A Active CN109494300B (zh) | 2017-09-13 | 2018-02-13 | 磁装置及其制造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10468170B2 (zh) |
JP (1) | JP2019054054A (zh) |
CN (1) | CN109494300B (zh) |
TW (1) | TWI676168B (zh) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7086664B2 (ja) | 2018-03-20 | 2022-06-20 | キオクシア株式会社 | 磁気装置 |
JP2020035976A (ja) | 2018-08-31 | 2020-03-05 | キオクシア株式会社 | 磁気記憶装置 |
JP2020043224A (ja) | 2018-09-11 | 2020-03-19 | キオクシア株式会社 | 磁気装置 |
JP2020043282A (ja) | 2018-09-13 | 2020-03-19 | キオクシア株式会社 | 記憶装置 |
JP2021144969A (ja) * | 2020-03-10 | 2021-09-24 | キオクシア株式会社 | 磁気記憶装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030137785A1 (en) * | 2002-01-24 | 2003-07-24 | Alps Electric Co., Ltd. | Magnetic sensing element containing half-metallic alloy |
CN101399312A (zh) * | 2007-09-26 | 2009-04-01 | 株式会社东芝 | 磁阻元件以及磁性存储器 |
CN103069564A (zh) * | 2010-09-17 | 2013-04-24 | 株式会社东芝 | 磁阻效应元件以及磁性随机存取存储器 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100451871B1 (ko) * | 2000-05-24 | 2004-10-08 | 마쯔시다덴기산교 가부시키가이샤 | 자기저항효과형 소자, 및 이를 이용한 자기기억소자 및자기 헤드 |
US6888703B2 (en) * | 2001-09-17 | 2005-05-03 | Headway Technologies, Inc. | Multilayered structures comprising magnetic nano-oxide layers for current perpindicular to plane GMR heads |
CN100414716C (zh) * | 2002-12-25 | 2008-08-27 | 松下电器产业株式会社 | 磁性开关元件及使用该元件的磁性存储器 |
US7345855B2 (en) | 2005-09-07 | 2008-03-18 | International Business Machines Corporation | Tunnel barriers based on rare earth element oxides |
CN100505360C (zh) * | 2005-11-15 | 2009-06-24 | 中国科学院物理研究所 | 一种具有线性磁电阻效应的磁性多层膜及其用途 |
US8184411B2 (en) * | 2009-10-26 | 2012-05-22 | Headway Technologies, Inc. | MTJ incorporating CoFe/Ni multilayer film with perpendicular magnetic anisotropy for MRAM application |
US8766383B2 (en) * | 2011-07-07 | 2014-07-01 | Samsung Electronics Co., Ltd. | Method and system for providing a magnetic junction using half metallic ferromagnets |
JP5665707B2 (ja) | 2011-09-21 | 2015-02-04 | 株式会社東芝 | 磁気抵抗効果素子、磁気メモリ及び磁気抵抗効果素子の製造方法 |
JP5956793B2 (ja) * | 2012-03-16 | 2016-07-27 | 株式会社東芝 | 磁気抵抗効果素子、磁気ヘッドアセンブリ、磁気記録再生装置及び磁気メモリ |
US8988976B2 (en) * | 2013-07-09 | 2015-03-24 | Seagate Technology Llc | Composite magnetic recording structure for heat assisted magnetic recording device |
JP2016018964A (ja) | 2014-07-10 | 2016-02-01 | 株式会社東芝 | 磁気抵抗効果素子 |
US9853208B2 (en) * | 2014-12-30 | 2017-12-26 | International Business Machines Corporation | In-situ annealing to improve the tunneling magneto-resistance of magnetic tunnel junctions |
-
2017
- 2017-09-13 JP JP2017175925A patent/JP2019054054A/ja active Pending
-
2018
- 2018-01-18 TW TW107101842A patent/TWI676168B/zh active
- 2018-02-13 CN CN201810148600.0A patent/CN109494300B/zh active Active
- 2018-03-13 US US15/919,576 patent/US10468170B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030137785A1 (en) * | 2002-01-24 | 2003-07-24 | Alps Electric Co., Ltd. | Magnetic sensing element containing half-metallic alloy |
CN101399312A (zh) * | 2007-09-26 | 2009-04-01 | 株式会社东芝 | 磁阻元件以及磁性存储器 |
CN103069564A (zh) * | 2010-09-17 | 2013-04-24 | 株式会社东芝 | 磁阻效应元件以及磁性随机存取存储器 |
Also Published As
Publication number | Publication date |
---|---|
TWI676168B (zh) | 2019-11-01 |
CN109494300B (zh) | 2022-08-30 |
TW201916010A (zh) | 2019-04-16 |
US20190080833A1 (en) | 2019-03-14 |
US10468170B2 (en) | 2019-11-05 |
JP2019054054A (ja) | 2019-04-04 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information |
Address after: Tokyo, Japan Applicant after: Kaixia Co.,Ltd. Address before: Tokyo, Japan Applicant before: TOSHIBA MEMORY Corp. Address after: Tokyo, Japan Applicant after: TOSHIBA MEMORY Corp. Address before: Tokyo, Japan Applicant before: Japanese businessman Panjaya Co.,Ltd. |
|
CB02 | Change of applicant information | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20220114 Address after: Tokyo, Japan Applicant after: Japanese businessman Panjaya Co.,Ltd. Address before: Tokyo, Japan Applicant before: TOSHIBA MEMORY Corp. |
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TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |