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DE60113841D1 - Magnetisches aufzeichnungsmittel und verfahren zu seiner herstellung - Google Patents

Magnetisches aufzeichnungsmittel und verfahren zu seiner herstellung

Info

Publication number
DE60113841D1
DE60113841D1 DE60113841T DE60113841T DE60113841D1 DE 60113841 D1 DE60113841 D1 DE 60113841D1 DE 60113841 T DE60113841 T DE 60113841T DE 60113841 T DE60113841 T DE 60113841T DE 60113841 D1 DE60113841 D1 DE 60113841D1
Authority
DE
Germany
Prior art keywords
magnetic recording
magnetic
ferromagnetic films
recording layer
regions
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.)
Expired - Fee Related
Application number
DE60113841T
Other languages
English (en)
Other versions
DE60113841T2 (de
Inventor
Edward Fullerton
David Terris
Klaus Weller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HGST Netherlands BV
HGST Inc
Original Assignee
Hitachi Global Storage Technologies Netherlands BV
Hitachi Global Storage Technologies 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24412044&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60113841(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Hitachi Global Storage Technologies Netherlands BV, Hitachi Global Storage Technologies Inc filed Critical Hitachi Global Storage Technologies Netherlands BV
Publication of DE60113841D1 publication Critical patent/DE60113841D1/de
Application granted granted Critical
Publication of DE60113841T2 publication Critical patent/DE60113841T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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]

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
DE60113841T 2000-06-21 2001-06-01 Magnetisches aufzeichnungsmittel und verfahren zu seiner herstellung Expired - Fee Related DE60113841T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US602609 1990-10-24
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
PCT/GB2001/002445 WO2001099100A1 (en) 2000-06-21 2001-06-01 Magnetic recording medium and method for fabricating a magnetic recording medium

Publications (2)

Publication Number Publication Date
DE60113841D1 true DE60113841D1 (de) 2005-11-10
DE60113841T2 DE60113841T2 (de) 2006-06-22

Family

ID=24412044

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60113841T Expired - Fee Related DE60113841T2 (de) 2000-06-21 2001-06-01 Magnetisches aufzeichnungsmittel und verfahren zu seiner herstellung

Country Status (11)

Country Link
US (2) US6391430B1 (de)
EP (1) EP1297526B1 (de)
JP (1) JP3706103B2 (de)
KR (1) KR100488034B1 (de)
CN (1) CN1217320C (de)
AU (1) AU2001260493A1 (de)
CA (1) CA2392487A1 (de)
DE (1) DE60113841T2 (de)
MY (1) MY127088A (de)
TW (1) TW508571B (de)
WO (1) WO2001099100A1 (de)

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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
WO2004001725A1 (en) * 2002-06-21 2003-12-31 Seagate Technology Llc Multilayer magnetic recording media
AU2003213086A1 (en) * 2002-06-28 2004-01-19 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
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
US6947235B2 (en) * 2003-12-03 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. Patterned multilevel perpendicular magnetic recording media
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
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
US8551578B2 (en) * 2008-02-12 2013-10-08 Applied Materials, Inc. Patterning of magnetic thin film using energized ions and thermal excitation
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
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
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
US8435399B2 (en) * 2010-01-11 2013-05-07 Seagate Technology Llc Formation of patterned media by selective anodic removal followed by targeted trench backfill
TWI595691B (zh) * 2010-07-28 2017-08-11 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
US9653104B2 (en) 2012-11-16 2017-05-16 University Of Houston System and method for selectively removing atoms and uses thereof
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
US9368717B2 (en) 2013-09-10 2016-06-14 Kabushiki Kaisha Toshiba Magnetoresistive element and method for manufacturing the same
US9385304B2 (en) 2013-09-10 2016-07-05 Kabushiki Kaisha Toshiba Magnetic memory and method of 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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Also Published As

Publication number Publication date
EP1297526B1 (de) 2005-10-05
CA2392487A1 (en) 2001-12-27
MY127088A (en) 2006-11-30
KR100488034B1 (ko) 2005-05-06
CN1437748A (zh) 2003-08-20
WO2001099100A1 (en) 2001-12-27
DE60113841T2 (de) 2006-06-22
USRE40726E1 (en) 2009-06-09
JP3706103B2 (ja) 2005-10-12
US6391430B1 (en) 2002-05-21
AU2001260493A1 (en) 2002-01-02
EP1297526A1 (de) 2003-04-02
TW508571B (en) 2002-11-01
KR20030010707A (ko) 2003-02-05
JP2003536199A (ja) 2003-12-02
CN1217320C (zh) 2005-08-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee