AU2001260493A1 - Magnetic recording medium and method for fabricating a magnetic recording medium - Google Patents

Magnetic recording medium and method for fabricating a magnetic recording medium

Info

Publication number
AU2001260493A1
AU2001260493A1 AU2001260493A AU6049301A AU2001260493A1 AU 2001260493 A1 AU2001260493 A1 AU 2001260493A1 AU 2001260493 A AU2001260493 A AU 2001260493A AU 6049301 A AU6049301 A AU 6049301A AU 2001260493 A1 AU2001260493 A1 AU 2001260493A1
Authority
AU
Australia
Prior art keywords
recording medium
magnetic recording
fabricating
magnetic
medium
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.)
Abandoned
Application number
AU2001260493A
Inventor
Bruce David Terris
Dieter 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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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=AU2001260493(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of AU2001260493A1 publication Critical patent/AU2001260493A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G11B5/74—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
    • 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]
AU2001260493A 2000-06-21 2001-06-01 Magnetic recording medium and method for fabricating a magnetic recording medium Abandoned AU2001260493A1 (en)

Applications Claiming Priority (3)

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
US09602609 2000-06-21
PCT/GB2001/002445 WO2001099100A1 (en) 2000-06-21 2001-06-01 Magnetic recording medium and method for fabricating a magnetic recording medium

Publications (1)

Publication Number Publication Date
AU2001260493A1 true AU2001260493A1 (en) 2002-01-02

Family

ID=24412044

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001260493A Abandoned AU2001260493A1 (en) 2000-06-21 2001-06-01 Magnetic recording medium and method for fabricating a magnetic recording medium

Country Status (11)

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

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US6737172B1 (en) * 2000-12-07 2004-05-18 Seagate Technology Llc Multi-layered anti-ferromagnetically coupled magnetic media
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
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
JP2002367165A (en) * 2001-06-08 2002-12-20 Fuji Photo Film Co Ltd Magnetic transfer method for high-density magnetic recording medium
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
AU2003212804A1 (en) * 2002-06-21 2004-01-06 Seagate Technology Llc Multilayer magnetic recording media
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 (en) * 2003-09-05 2005-03-31 Fujitsu Ltd Magnetic recording medium, magnetic storage device , and method of recording
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
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
US6947235B2 (en) * 2003-12-03 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. Patterned multilevel perpendicular magnetic recording media
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
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 (en) * 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 Magnetic recording medium and magnetic recording / reproducing apparatus
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 (en) * 2005-05-27 2006-12-07 Toshiba Corp Magnetic recording medium, its manufacturing method, and magnetic recording and reproducing device
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 (en) * 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 Perpendicular magnetic recording medium, manufacturing method thereof, and magnetic recording apparatus
FR2924261A1 (en) * 2007-11-26 2009-05-29 Commissariat Energie Atomique MAGNETIC RECORDING MEDIUM
US20090199768A1 (en) * 2008-02-12 2009-08-13 Steven Verhaverbeke Magnetic domain patterning using plasma ion implantation
US20090201722A1 (en) * 2008-02-12 2009-08-13 Kamesh Giridhar Method including magnetic domain patterning using plasma ion implantation for mram fabrication
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 (en) 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 Magnetic recording medium and method for manufacturing the same
JP4968591B2 (en) * 2008-03-21 2012-07-04 富士電機株式会社 Magnetic recording medium and method for manufacturing the same
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 (en) * 2009-01-21 2010-08-05 Hoya Corp Magnetic recording medium
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 (en) * 2010-07-28 2018-01-21 應用材料股份有限公司 Resist fortification for magnetic media patterning
JP5214691B2 (en) 2010-09-17 2013-06-19 株式会社東芝 Magnetic memory and manufacturing method thereof
US20120308847A1 (en) * 2011-05-31 2012-12-06 Seagate Technology, Llc Method for fabricating high contrast stacks
JP5535161B2 (en) 2011-09-20 2014-07-02 株式会社東芝 Magnetoresistive element and manufacturing method thereof
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 (en) * 2013-05-22 2016-02-03 北京康彻思坦生物技术有限公司 A kind of detection film and detection system
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 (en) * 2014-07-25 2016-08-17 同济大学 A kind of flexible magnetic thin film and preparation method thereof

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US6280813B1 (en) * 1999-10-08 2001-08-28 International Business Machines Corporation Magnetic recording media with antiferromagnetically coupled ferromagnetic films as the recording layer

Also Published As

Publication number Publication date
CN1437748A (en) 2003-08-20
EP1297526A1 (en) 2003-04-02
EP1297526B1 (en) 2005-10-05
DE60113841T2 (en) 2006-06-22
KR20030010707A (en) 2003-02-05
USRE40726E1 (en) 2009-06-09
DE60113841D1 (en) 2005-11-10
JP3706103B2 (en) 2005-10-12
TW508571B (en) 2002-11-01
CA2392487A1 (en) 2001-12-27
KR100488034B1 (en) 2005-05-06
JP2003536199A (en) 2003-12-02
CN1217320C (en) 2005-08-31
MY127088A (en) 2006-11-30
WO2001099100A1 (en) 2001-12-27
US6391430B1 (en) 2002-05-21

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