AU2003277386A1 - Perpendicular patterned magnetic media - Google Patents

Perpendicular patterned magnetic media

Info

Publication number
AU2003277386A1
AU2003277386A1 AU2003277386A AU2003277386A AU2003277386A1 AU 2003277386 A1 AU2003277386 A1 AU 2003277386A1 AU 2003277386 A AU2003277386 A AU 2003277386A AU 2003277386 A AU2003277386 A AU 2003277386A AU 2003277386 A1 AU2003277386 A1 AU 2003277386A1
Authority
AU
Australia
Prior art keywords
magnetic media
patterned magnetic
perpendicular patterned
media
patterned
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
AU2003277386A
Other languages
English (en)
Inventor
Garry R. Lundstrom
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.)
GlassBridge Enterprises Inc
Original Assignee
Imation 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
Application filed by Imation Corp filed Critical Imation Corp
Publication of AU2003277386A1 publication Critical patent/AU2003277386A1/en
Abandoned 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
    • 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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82—Disk carriers
    • 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
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording

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)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
AU2003277386A 2002-10-29 2003-10-16 Perpendicular patterned magnetic media Abandoned AU2003277386A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/283401 2002-10-29
US10/283,401 US6999279B2 (en) 2002-10-29 2002-10-29 Perpendicular patterned magnetic media
PCT/US2003/032594 WO2004040559A2 (en) 2002-10-29 2003-10-16 Perpendicular patterned magnetic media

Publications (1)

Publication Number Publication Date
AU2003277386A1 true AU2003277386A1 (en) 2004-05-25

Family

ID=32107516

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003277386A Abandoned AU2003277386A1 (en) 2002-10-29 2003-10-16 Perpendicular patterned magnetic media

Country Status (6)

Country Link
US (1) US6999279B2 (enExample)
JP (1) JP2006505091A (enExample)
CN (1) CN1708788A (enExample)
AU (1) AU2003277386A1 (enExample)
DE (1) DE10393593T5 (enExample)
WO (1) WO2004040559A2 (enExample)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7019924B2 (en) 2001-02-16 2006-03-28 Komag, Incorporated Patterned medium and recording head
US20050036223A1 (en) * 2002-11-27 2005-02-17 Wachenschwanz David E. Magnetic discrete track recording disk
US7147790B2 (en) * 2002-11-27 2006-12-12 Komag, Inc. Perpendicular magnetic discrete track recording disk
US6947235B2 (en) * 2003-12-03 2005-09-20 Hitachi Global Storage Technologies Netherlands B.V. Patterned multilevel perpendicular magnetic recording media
JP2006031856A (ja) * 2004-07-16 2006-02-02 Toshiba Corp 垂直磁気記録用のパターンドディスク媒体及び同媒体を搭載した磁気ディスクドライブ
DE102005022473B4 (de) * 2005-05-14 2007-05-24 Forschungszentrum Karlsruhe Gmbh Vorrichtung zur Dämpfung von Reflexionen elektromagnetischer Wellen, Verfahren zu ihrer Herstellung und ihre Verwendung
JP4675722B2 (ja) * 2005-09-02 2011-04-27 株式会社東芝 磁気記録媒体
DE202006000083U1 (de) 2006-01-03 2007-02-08 Monolith GmbH Bürosysteme Bindesystem zum Binden von Blattgut
US8900655B2 (en) 2006-10-04 2014-12-02 Seagate Technology Llc Method for fabricating patterned magnetic recording device
US7704614B2 (en) * 2006-10-20 2010-04-27 Seagate Technology Llc Process for fabricating patterned magnetic recording media
US7532422B2 (en) * 2006-10-25 2009-05-12 Mra Tek, Llc Method and system for distinguishing spatial and thermal defects on perpendicular media
JP2008152903A (ja) * 2006-11-21 2008-07-03 Toshiba Corp 磁気記録媒体、その製造方法、および磁気記録装置
US7919029B2 (en) * 2006-12-01 2011-04-05 Seagate Technology Llc Thermal compensated stampers/imprinters
JP4296204B2 (ja) * 2007-03-26 2009-07-15 株式会社東芝 磁気記録媒体
JP4703604B2 (ja) * 2007-05-23 2011-06-15 株式会社東芝 磁気記録媒体およびその製造方法
US7835099B2 (en) 2007-06-29 2010-11-16 Seagate Technology Llc Method and system for error checking in a bit-patterned media
JP4382843B2 (ja) * 2007-09-26 2009-12-16 株式会社東芝 磁気記録媒体およびその製造方法
US7864470B2 (en) * 2007-10-11 2011-01-04 Seagate Technology Llc Patterned media with spacings adjusted by a skew function
DE202008000878U1 (de) 2008-01-21 2008-03-20 Purple Cows Gmbh Bindering zum Binden von Blattgut
US7835094B2 (en) * 2008-07-02 2010-11-16 Seagate Technology Llc Embedded track information for patterned media
US8947809B2 (en) * 2008-09-19 2015-02-03 Seagate Technology Llc Encoding scheme for bit patterned media
US7920354B2 (en) * 2008-09-15 2011-04-05 Seagate Technology Llc Phase servo patterns for bit patterned media
US8824079B2 (en) * 2008-09-15 2014-09-02 Seagate Technology Llc Servo patterns for bit patterned media with multiple dots per servo period
US8339722B1 (en) * 2008-11-17 2012-12-25 Marvell International Ltd. Methods of demodulating a servo positon error signal on patterned media
JP2010134977A (ja) * 2008-12-02 2010-06-17 Toshiba Storage Device Corp 磁気記録媒体及び磁気記憶装置
US9111565B2 (en) * 2009-01-16 2015-08-18 Seagate Technology Llc Data storage device with both bit patterned and continuous media
US7960044B2 (en) * 2009-03-27 2011-06-14 Hitachi Global Storage Technologies Netherlands B.V. Patterned-media perpendicular magnetic recording disk with servo regions having magnetized servo pillars and oppositely-magnetized servo trenches
US8797674B2 (en) 2011-06-13 2014-08-05 Imation Corp. Servo mark length matched to write head gap for magnetic storage media
US8804276B2 (en) 2011-06-13 2014-08-12 Imation Corp. Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy
US8767342B2 (en) 2011-06-13 2014-07-01 Imation Corp. Erasure and servowriting of magnetic storage media having perpendicular anistropy
US8817415B2 (en) * 2011-06-13 2014-08-26 Imation Corp. Erasure of magnetic storage media having perpendicular anisotropy
US8867157B2 (en) 2012-04-04 2014-10-21 Imation Corp. Perpendicular pole head for servo writing magnetic media
US9147423B2 (en) 2012-04-17 2015-09-29 HGST Netherlands B.V. Method for improving a patterned perpendicular magnetic recording disk with annealing
US8867167B2 (en) 2012-04-26 2014-10-21 Imation Corp. Tapered pole heads for magnetic media
US8643968B2 (en) 2012-04-26 2014-02-04 Imation Corp. Methods and systems for magnetic media servo writing
US8797681B2 (en) 2012-04-26 2014-08-05 Imation Corp. Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar
US8760802B2 (en) 2012-04-26 2014-06-24 Imation Corp. Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5963005A (ja) * 1982-10-04 1984-04-10 Toshiba Corp 磁気記録方式
US4656546A (en) * 1985-01-22 1987-04-07 Digital Equipment Corporation Vertical magnetic recording arrangement
JP3254743B2 (ja) 1992-08-17 2002-02-12 ソニー株式会社 位置決め信号の書き込み方法
JP3344495B2 (ja) 1993-03-04 2002-11-11 ソニー株式会社 磁気ディスク装置
JP3271406B2 (ja) 1993-11-30 2002-04-02 ソニー株式会社 垂直磁気記録媒体及びその垂直磁気記録媒体への信号記録方法
US5537282A (en) 1994-07-15 1996-07-16 Treves; David Data storage disk having improved tracking capability
US5723033A (en) 1995-09-06 1998-03-03 Akashic Memories Corporation Discrete track media produced by underlayer laser ablation
US5991104A (en) 1996-11-27 1999-11-23 Seagate Technology, Inc. Using servowriter medium for quickly written servo-patterns on magnetic media
JP2002503009A (ja) 1998-02-10 2002-01-29 シーゲイト テクノロジー エルエルシー パターン基板を有する磁気記録媒体
JPH11296845A (ja) 1998-04-14 1999-10-29 Tdk Corp 磁気ディスク媒体および磁気記録装置
US6168845B1 (en) 1999-01-19 2001-01-02 International Business Machines Corporation Patterned magnetic media and method of making the same using selective oxidation
JP2000306236A (ja) 1999-04-22 2000-11-02 Sony Corp 着磁装置及び着磁方法
US6421195B1 (en) 1999-09-20 2002-07-16 International Business Machines Corporation Magnetic disk media with patterned sections
US6383597B1 (en) 2000-06-21 2002-05-07 International Business Machines Corporation Magnetic recording media with magnetic bit regions patterned by ion irradiation
US6391430B1 (en) 2000-06-21 2002-05-21 International Business Machines Corporation Patterned magnetic recording media with discrete magnetic regions separated by regions of antiferromagnetically coupled films
AU2001290870A1 (en) 2000-09-12 2002-03-26 Seagate Technology Llc Method and apparatus for minimizing slider fly heights over patterned media
US6657809B2 (en) 2001-01-29 2003-12-02 International Business Machines Corporation Method and apparatus for positioning a transducer using a phase difference in surface profile variations on a storage medium

Also Published As

Publication number Publication date
DE10393593T5 (de) 2005-09-29
WO2004040559A2 (en) 2004-05-13
JP2006505091A (ja) 2006-02-09
US6999279B2 (en) 2006-02-14
US20040080847A1 (en) 2004-04-29
WO2004040559A3 (en) 2004-09-02
CN1708788A (zh) 2005-12-14

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase