CN1217320C - 磁性记录介质和制作磁性记录介质的方法 - Google Patents
磁性记录介质和制作磁性记录介质的方法 Download PDFInfo
- Publication number
- CN1217320C CN1217320C CN018115500A CN01811550A CN1217320C CN 1217320 C CN1217320 C CN 1217320C CN 018115500 A CN018115500 A CN 018115500A CN 01811550 A CN01811550 A CN 01811550A CN 1217320 C CN1217320 C CN 1217320C
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- China
- Prior art keywords
- ferromagnetic
- film
- magnetic
- thin film
- ferromagnetic thin
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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.)
- Expired - Fee Related
Links
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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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- 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
- G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
- G11B5/66—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
- G11B5/676—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers having magnetic layers separated by a nonmagnetic layer, e.g. antiferromagnetic layer, Cu layer or coupling layer
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
-
- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/602,609 US6391430B1 (en) | 2000-06-21 | 2000-06-21 | Patterned magnetic recording media with discrete magnetic regions separated by regions of antiferromagnetically coupled films |
US09/602,609 | 2000-06-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1437748A CN1437748A (zh) | 2003-08-20 |
CN1217320C true CN1217320C (zh) | 2005-08-31 |
Family
ID=24412044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN018115500A Expired - Fee Related CN1217320C (zh) | 2000-06-21 | 2001-06-01 | 磁性记录介质和制作磁性记录介质的方法 |
Country Status (11)
Country | Link |
---|---|
US (2) | US6391430B1 (zh) |
EP (1) | EP1297526B1 (zh) |
JP (1) | JP3706103B2 (zh) |
KR (1) | KR100488034B1 (zh) |
CN (1) | CN1217320C (zh) |
AU (1) | AU2001260493A1 (zh) |
CA (1) | CA2392487A1 (zh) |
DE (1) | DE60113841T2 (zh) |
MY (1) | MY127088A (zh) |
TW (1) | TW508571B (zh) |
WO (1) | WO2001099100A1 (zh) |
Families Citing this family (59)
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JP2001076330A (ja) * | 1999-09-02 | 2001-03-23 | Fujitsu Ltd | 磁気記録媒体およびその製造方法 |
US6383598B1 (en) * | 2000-06-21 | 2002-05-07 | International Business Machines Corporation | Patterned magnetic recording media with regions rendered nonmagnetic by ion irradiation |
US6737172B1 (en) * | 2000-12-07 | 2004-05-18 | Seagate Technology Llc | Multi-layered anti-ferromagnetically coupled magnetic media |
US7166375B2 (en) * | 2000-12-28 | 2007-01-23 | Showa Denko K.K. | Magnetic recording medium utilizing a multi-layered soft magnetic underlayer, method of producing the same and magnetic recording and reproducing device |
US20070111035A1 (en) * | 2000-12-28 | 2007-05-17 | Showa Denko K.K. | Magnetic recording medium, method of producing the same and magnetic recording and reproducing device |
JP2002367165A (ja) * | 2001-06-08 | 2002-12-20 | Fuji Photo Film Co Ltd | 高密度磁気記録媒体に対する磁気転写方法 |
US6849349B2 (en) * | 2001-10-22 | 2005-02-01 | Carnegie Mellon University | Magnetic films having magnetic and non-magnetic regions and method of producing such films by ion irradiation |
US7128987B2 (en) * | 2002-06-21 | 2006-10-31 | Seagate Technology Llc | Multilayer magnetic recording media including composite layer with discontinuous magnetic phase and continuous non-magnetic phase |
WO2004003945A1 (en) * | 2002-06-28 | 2004-01-08 | Seagate Technology Llc | Increased packing density in self-organized magnetic array |
US6999279B2 (en) * | 2002-10-29 | 2006-02-14 | Imation Corp. | Perpendicular patterned magnetic media |
US7183120B2 (en) * | 2002-10-31 | 2007-02-27 | Honeywell International Inc. | Etch-stop material for improved manufacture of magnetic devices |
US6878460B1 (en) | 2002-11-07 | 2005-04-12 | Seagate Technology Llc | Thin-film magnetic recording media with dual intermediate layer structure for increased coercivity |
US7050251B2 (en) * | 2003-06-25 | 2006-05-23 | Imation Corp. | Encoding techniques for patterned magnetic media |
JP2005085338A (ja) * | 2003-09-05 | 2005-03-31 | Fujitsu Ltd | 磁気記録媒体、磁気記憶装置、及び記録方法 |
US7611911B2 (en) * | 2003-10-08 | 2009-11-03 | International Business Machines Corporation | Method and system for patterning of magnetic thin films using gaseous transformation to transform a magnetic portion to a non-magnetic portion |
US7102839B2 (en) * | 2003-10-31 | 2006-09-05 | International Business Machines Corporation | Magnetic recording channel utilizing control fields for timing recovery, equalization, amplitude and amplitude asymmetry |
US6865044B1 (en) * | 2003-12-03 | 2005-03-08 | Hitachi Global Storage Technologies Netherlands B.V. | Method for magnetic recording on patterned multilevel perpendicular media using thermal assistance and fixed write current |
US6947235B2 (en) * | 2003-12-03 | 2005-09-20 | Hitachi Global Storage Technologies Netherlands B.V. | Patterned multilevel perpendicular magnetic recording media |
US6882488B1 (en) * | 2003-12-03 | 2005-04-19 | Hitachi Global Storage Technologies Netherlands B.V. | Method for magnetic recording on patterned multilevel perpendicular media using variable write current |
US6906879B1 (en) * | 2003-12-03 | 2005-06-14 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording system with patterned multilevel perpendicular magnetic recording |
US7158346B2 (en) * | 2003-12-23 | 2007-01-02 | Seagate Technology Llc | Heat assisted magnetic recording film including superparamagnetic nanoparticles dispersed in an antiferromagnetic or ferrimagnetic matrix |
JP4263133B2 (ja) * | 2004-04-12 | 2009-05-13 | ヒタチグローバルストレージテクノロジーズネザーランドビーブイ | 磁気記録媒体及び磁気記録再生装置 |
US7927724B2 (en) * | 2004-05-28 | 2011-04-19 | Hitachi Global Storage Technologies Netherlands B.V. | Magnetic recording media with orthogonal anisotropy enhancement or bias layer |
US20060228586A1 (en) * | 2005-04-06 | 2006-10-12 | Seagate Technology Llc | Ferromagnetically coupled magnetic recording media |
JP2006331578A (ja) * | 2005-05-27 | 2006-12-07 | Toshiba Corp | 磁気記録媒体、その製造方法および磁気記録装置 |
US7713591B2 (en) * | 2005-08-22 | 2010-05-11 | Hitachi Global Storage Technologies Netherlands B.V. | Longitudinal patterned media with circumferential anisotropy for ultra-high density magnetic recording |
US7876529B1 (en) * | 2005-11-03 | 2011-01-25 | Seagate Technology Llc | Recording disk with antiferromagnetically coupled multilayer ferromagnetic island disposed in trench between discrete tracks |
TWI303443B (en) * | 2006-01-18 | 2008-11-21 | Ind Tech Res Inst | Fabricating method of magnetoresistance multi-layer |
US7488545B2 (en) * | 2006-04-12 | 2009-02-10 | Hitachi Global Storage Technologies Netherlands B.V. | Perpendicular magnetic recording medium with laminated recording layers formed of exchange-coupled ferromagnetic layers |
US8673466B2 (en) | 2006-09-25 | 2014-03-18 | Seagate Technology Llc | CoPtCr-based bit patterned magnetic media |
US20080085424A1 (en) * | 2006-10-10 | 2008-04-10 | Seagate Technology Llc | Single-pass recording of multilevel patterned media |
US7704614B2 (en) * | 2006-10-20 | 2010-04-27 | Seagate Technology Llc | Process for fabricating patterned magnetic recording media |
JP5242109B2 (ja) * | 2007-09-28 | 2013-07-24 | エイチジーエスティーネザーランドビーブイ | 垂直磁気記録媒体及びその製造方法、並びに磁気記録装置 |
FR2924261A1 (fr) * | 2007-11-26 | 2009-05-29 | Commissariat Energie Atomique | Support d'enregistrement magnetique |
US8551578B2 (en) * | 2008-02-12 | 2013-10-08 | Applied Materials, Inc. | Patterning of magnetic thin film using energized ions and thermal excitation |
US20090201722A1 (en) * | 2008-02-12 | 2009-08-13 | Kamesh Giridhar | Method including magnetic domain patterning using plasma ion implantation for mram fabrication |
US20090199768A1 (en) * | 2008-02-12 | 2009-08-13 | Steven Verhaverbeke | Magnetic domain patterning using plasma ion implantation |
US8535766B2 (en) | 2008-10-22 | 2013-09-17 | Applied Materials, Inc. | Patterning of magnetic thin film using energized ions |
JP5117895B2 (ja) | 2008-03-17 | 2013-01-16 | ダブリュディ・メディア・シンガポール・プライベートリミテッド | 磁気記録媒体及びその製造方法 |
JP4968591B2 (ja) * | 2008-03-21 | 2012-07-04 | 富士電機株式会社 | 磁気記録媒体およびその製造方法 |
US8107194B2 (en) | 2008-09-24 | 2012-01-31 | International Business Machines Corporation | Writing and reading multi-layer continuous magnetic recording media |
US7911739B2 (en) * | 2008-09-25 | 2011-03-22 | International Business Machines Corporation | Writing and reading multi-level patterned magnetic recording media |
US8228636B2 (en) * | 2008-10-30 | 2012-07-24 | The Regents Of The University Of California | Apparatus, system and method for magnetic recording |
JP2010170600A (ja) * | 2009-01-21 | 2010-08-05 | Hoya Corp | 磁気記録媒体 |
US8031425B2 (en) * | 2009-11-10 | 2011-10-04 | International Business Machines Corporation | Writing and reading multi-layer continuous magnetic recording media, with more than two recording layers |
US8085502B2 (en) * | 2009-11-10 | 2011-12-27 | International Business Machines Corporation | Writing and reading multi-level patterned magnetic recording media, with more than two recording levels |
US8435399B2 (en) * | 2010-01-11 | 2013-05-07 | Seagate Technology Llc | Formation of patterned media by selective anodic removal followed by targeted trench backfill |
TWI612700B (zh) * | 2010-07-28 | 2018-01-21 | 應用材料股份有限公司 | 用於磁性媒材圖案化之阻劑強化 |
JP5214691B2 (ja) | 2010-09-17 | 2013-06-19 | 株式会社東芝 | 磁気メモリ及びその製造方法 |
US20120308847A1 (en) * | 2011-05-31 | 2012-12-06 | Seagate Technology, Llc | Method for fabricating high contrast stacks |
JP5535161B2 (ja) | 2011-09-20 | 2014-07-02 | 株式会社東芝 | 磁気抵抗効果素子およびその製造方法 |
US20140093747A1 (en) * | 2012-09-28 | 2014-04-03 | HGST Netherlands B.V. | Magnetic recording medium with anti-ferromagnetically coupled magnetic layers |
WO2014078800A1 (en) | 2012-11-16 | 2014-05-22 | Dmitri Litvinov | System and method for selectively removing atoms |
CN103308671B (zh) * | 2013-05-22 | 2016-02-03 | 北京康彻思坦生物技术有限公司 | 一种检测膜及检测系统 |
US9123879B2 (en) | 2013-09-09 | 2015-09-01 | Masahiko Nakayama | Magnetoresistive element and method of manufacturing the same |
US9231196B2 (en) | 2013-09-10 | 2016-01-05 | Kuniaki SUGIURA | Magnetoresistive element and method of manufacturing the same |
US9385304B2 (en) | 2013-09-10 | 2016-07-05 | Kabushiki Kaisha Toshiba | Magnetic memory and method of manufacturing the same |
US9368717B2 (en) | 2013-09-10 | 2016-06-14 | Kabushiki Kaisha Toshiba | Magnetoresistive element and method for manufacturing the same |
CN104167275B (zh) * | 2014-07-25 | 2016-08-17 | 同济大学 | 一种柔性磁薄膜及其制备方法 |
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US5587223A (en) | 1992-10-19 | 1996-12-24 | Board Of Trustees Leland Stanford, Jr. University | High density magnetic information storage medium |
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US5820769A (en) | 1995-05-24 | 1998-10-13 | Regents Of The University Of Minnesota | Method for making magnetic storage having discrete elements with quantized magnetic moments |
US5756236A (en) * | 1997-01-29 | 1998-05-26 | International Business Machines Corporation | Fabrication of high resolution aluminum ablation masks |
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EP0994465B1 (en) * | 1998-10-12 | 2003-01-08 | International Business Machines Corporation | Patterning of the magnetic structure of magnetic media |
JP2001076330A (ja) | 1999-09-02 | 2001-03-23 | Fujitsu Ltd | 磁気記録媒体およびその製造方法 |
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-
2000
- 2000-06-21 US US09/602,609 patent/US6391430B1/en not_active Ceased
-
2001
- 2001-06-01 AU AU2001260493A patent/AU2001260493A1/en not_active Abandoned
- 2001-06-01 CN CN018115500A patent/CN1217320C/zh not_active Expired - Fee Related
- 2001-06-01 JP JP2002503864A patent/JP3706103B2/ja not_active Expired - Fee Related
- 2001-06-01 DE DE60113841T patent/DE60113841T2/de not_active Expired - Fee Related
- 2001-06-01 KR KR10-2002-7017003A patent/KR100488034B1/ko not_active IP Right Cessation
- 2001-06-01 CA CA002392487A patent/CA2392487A1/en not_active Abandoned
- 2001-06-01 EP EP01934189A patent/EP1297526B1/en not_active Expired - Lifetime
- 2001-06-01 WO PCT/GB2001/002445 patent/WO2001099100A1/en active IP Right Grant
- 2001-06-14 MY MYPI20012791 patent/MY127088A/en unknown
- 2001-06-18 TW TW090114723A patent/TW508571B/zh not_active IP Right Cessation
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2003
- 2003-07-29 US US10/630,818 patent/USRE40726E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3706103B2 (ja) | 2005-10-12 |
EP1297526B1 (en) | 2005-10-05 |
CN1437748A (zh) | 2003-08-20 |
TW508571B (en) | 2002-11-01 |
KR20030010707A (ko) | 2003-02-05 |
DE60113841T2 (de) | 2006-06-22 |
EP1297526A1 (en) | 2003-04-02 |
CA2392487A1 (en) | 2001-12-27 |
USRE40726E1 (en) | 2009-06-09 |
KR100488034B1 (ko) | 2005-05-06 |
WO2001099100A1 (en) | 2001-12-27 |
JP2003536199A (ja) | 2003-12-02 |
AU2001260493A1 (en) | 2002-01-02 |
MY127088A (en) | 2006-11-30 |
US6391430B1 (en) | 2002-05-21 |
DE60113841D1 (de) | 2005-11-10 |
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