JP4222965B2 - 垂直磁気記録媒体及びその製造方法、磁気記録装置 - Google Patents

垂直磁気記録媒体及びその製造方法、磁気記録装置 Download PDF

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Publication number
JP4222965B2
JP4222965B2 JP2004120754A JP2004120754A JP4222965B2 JP 4222965 B2 JP4222965 B2 JP 4222965B2 JP 2004120754 A JP2004120754 A JP 2004120754A JP 2004120754 A JP2004120754 A JP 2004120754A JP 4222965 B2 JP4222965 B2 JP 4222965B2
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layer
soft magnetic
amorphous
amorphous soft
magnetic
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JP2004120754A
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Japanese (ja)
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JP2005302238A5 (enExample
JP2005302238A (ja
Inventor
礼子 荒井
究 棚橋
好範 本田
峰章 児玉
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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
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Priority to JP2004120754A priority Critical patent/JP4222965B2/ja
Priority to CNB2005100655428A priority patent/CN100418137C/zh
Priority to US11/107,588 priority patent/US7875371B2/en
Publication of JP2005302238A publication Critical patent/JP2005302238A/ja
Publication of JP2005302238A5 publication Critical patent/JP2005302238A5/ja
Application granted granted Critical
Publication of JP4222965B2 publication Critical patent/JP4222965B2/ja
Priority to US12/907,943 priority patent/US20110032638A1/en
Priority to US12/969,351 priority patent/US20110151144A1/en
Anticipated expiration legal-status Critical
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    • 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
    • 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
    • G11B5/667—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers including a soft magnetic layer
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/852—Orientation in a magnetic field

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  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
JP2004120754A 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置 Expired - Fee Related JP4222965B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2004120754A JP4222965B2 (ja) 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置
CNB2005100655428A CN100418137C (zh) 2004-04-15 2005-04-15 垂直磁记录介质、其制造方法以及使用其的磁记录/再现装置
US11/107,588 US7875371B2 (en) 2004-04-15 2005-04-15 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
US12/907,943 US20110032638A1 (en) 2004-04-15 2010-10-19 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same
US12/969,351 US20110151144A1 (en) 2004-04-15 2010-12-15 Perpendicular magnetic recording medium, manufacturing process of the same, and magnetic recording/reproducing apparatus using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004120754A JP4222965B2 (ja) 2004-04-15 2004-04-15 垂直磁気記録媒体及びその製造方法、磁気記録装置

Publications (3)

Publication Number Publication Date
JP2005302238A JP2005302238A (ja) 2005-10-27
JP2005302238A5 JP2005302238A5 (enExample) 2007-02-15
JP4222965B2 true JP4222965B2 (ja) 2009-02-12

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US (3) US7875371B2 (enExample)
JP (1) JP4222965B2 (enExample)
CN (1) CN100418137C (enExample)

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US7651794B2 (en) * 2005-04-28 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Adhesion layer for thin film magnetic recording medium
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JP2007242099A (ja) * 2006-03-07 2007-09-20 Fujitsu Ltd 垂直磁気記録用の磁気記録媒体
KR100773546B1 (ko) * 2006-03-09 2007-11-07 삼성전자주식회사 자기 기록 매체
JP2007250094A (ja) * 2006-03-16 2007-09-27 Fujitsu Ltd 磁気記録媒体、磁気記録媒体の製造方法、及び磁気記録装置
KR100773547B1 (ko) 2006-03-28 2007-11-07 삼성전자주식회사 자기 기록 매체
US20090311557A1 (en) * 2006-03-31 2009-12-17 Takahiro Onoue Perpendicular magnetic recording disk and method of manufacturing the same
JP2007273057A (ja) * 2006-03-31 2007-10-18 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
JPWO2007114402A1 (ja) * 2006-03-31 2009-08-20 Hoya株式会社 垂直磁気記録ディスク及びその製造方法
US7684161B2 (en) * 2006-04-18 2010-03-23 Everspin Technologies, Inc. Methods and apparatus for a synthetic anti-ferromagnet structure with reduced temperature dependence
US20070253103A1 (en) * 2006-04-27 2007-11-01 Heraeus, Inc. Soft magnetic underlayer in magnetic media and soft magnetic alloy based sputter target
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US9978413B2 (en) 2006-06-17 2018-05-22 Dieter Suess Multilayer exchange spring recording media
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JP2008198316A (ja) * 2007-02-15 2008-08-28 Fujitsu Ltd 垂直磁気記録媒体、その製造方法及び磁気記録装置
US8982510B2 (en) * 2007-11-05 2015-03-17 HGST Netherlands B.V. Perpendicular magnetic recording disk having a permeability gradient
JP5304978B2 (ja) * 2007-11-08 2013-10-02 セイコーエプソン株式会社 圧電素子、液体噴射ヘッド、およびプリンタ
US8252367B2 (en) * 2007-12-19 2012-08-28 Hitachi Global Storage Technologies Netherlands B.V. Methods and apparatus to fabricate soft magnetic film with preferred uniaxial anisotropy for perpendicular recording
US9127365B2 (en) * 2008-02-16 2015-09-08 HGST Netherlands B.V. Generation of multilayer structures in a single sputtering module of a multi-station magnetic recording media fabrication tool
US8597723B1 (en) 2008-03-14 2013-12-03 WD Media, LLC Perpendicular magnetic recording medium with single domain exchange-coupled soft magnetic underlayer and device incorporating same
WO2013005785A1 (ja) * 2011-07-06 2013-01-10 日立金属株式会社 軟磁性下地層
FR3002690B1 (fr) * 2013-02-27 2016-07-29 Centre Nat De La Rech Scient - Cnrs - Procede de traitement d'une structure magnetique
US10276192B2 (en) * 2013-07-11 2019-04-30 Western Digital Technologies, Inc. Perpendicular magnetic recording medium
US8879208B1 (en) 2013-12-02 2014-11-04 Headway Technologies, Inc. Umbrella shield writer (UmSW) design for perpendicular magnetic recording (PMR)
US9147408B1 (en) * 2013-12-19 2015-09-29 Western Digital (Fremont), Llc Heated AFM layer deposition and cooling process for TMR magnetic recording sensor with high pinning field
JP6221907B2 (ja) * 2014-03-31 2017-11-01 ソニー株式会社 磁気記録媒体
JP6427290B1 (ja) * 2017-11-22 2018-11-21 株式会社Uacj 磁気ディスク用アルミニウム合金基板及びその製造方法、ならびに、当該磁気ディスク用アルミニウム合金基板を用いた磁気ディスク

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Also Published As

Publication number Publication date
US20050244679A1 (en) 2005-11-03
US20110032638A1 (en) 2011-02-10
CN1684151A (zh) 2005-10-19
US20110151144A1 (en) 2011-06-23
JP2005302238A (ja) 2005-10-27
CN100418137C (zh) 2008-09-10
US7875371B2 (en) 2011-01-25

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