JP2014041672A - 熱アシスト記録用磁気記録媒体 - Google Patents

熱アシスト記録用磁気記録媒体 Download PDF

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Publication number
JP2014041672A
JP2014041672A JP2012183149A JP2012183149A JP2014041672A JP 2014041672 A JP2014041672 A JP 2014041672A JP 2012183149 A JP2012183149 A JP 2012183149A JP 2012183149 A JP2012183149 A JP 2012183149A JP 2014041672 A JP2014041672 A JP 2014041672A
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JP
Japan
Prior art keywords
magnetic recording
layer
reflectivity
recording
magnetic
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.)
Pending
Application number
JP2012183149A
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English (en)
Japanese (ja)
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JP2014041672A5 (cg-RX-API-DMAC7.html
Inventor
Yuki Inaba
祐樹 稲葉
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP2012183149A priority Critical patent/JP2014041672A/ja
Priority to US13/917,167 priority patent/US20140057134A1/en
Publication of JP2014041672A publication Critical patent/JP2014041672A/ja
Publication of JP2014041672A5 publication Critical patent/JP2014041672A5/ja
Pending legal-status Critical Current

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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
    • G11B5/62—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
    • G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
    • 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/0021—Thermally assisted recording using an auxiliary energy source for heating the recording layer locally to assist the magnetization reversal

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  • Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP2012183149A 2012-08-22 2012-08-22 熱アシスト記録用磁気記録媒体 Pending JP2014041672A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2012183149A JP2014041672A (ja) 2012-08-22 2012-08-22 熱アシスト記録用磁気記録媒体
US13/917,167 US20140057134A1 (en) 2012-08-22 2013-06-13 Magnetic recording medium for thermally assisted recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012183149A JP2014041672A (ja) 2012-08-22 2012-08-22 熱アシスト記録用磁気記録媒体

Publications (2)

Publication Number Publication Date
JP2014041672A true JP2014041672A (ja) 2014-03-06
JP2014041672A5 JP2014041672A5 (cg-RX-API-DMAC7.html) 2015-09-17

Family

ID=50148240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012183149A Pending JP2014041672A (ja) 2012-08-22 2012-08-22 熱アシスト記録用磁気記録媒体

Country Status (2)

Country Link
US (1) US20140057134A1 (cg-RX-API-DMAC7.html)
JP (1) JP2014041672A (cg-RX-API-DMAC7.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9177585B1 (en) * 2013-10-23 2015-11-03 WD Media, LLC Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording
US9822441B2 (en) 2015-03-31 2017-11-21 WD Media, LLC Iridium underlayer for heat assisted magnetic recording media
US9697859B1 (en) * 2016-04-01 2017-07-04 WD Media, LLC Heat-assisted magnetic recording (HAMR) medium including a bi-layer that enables use of lower laser current in write operations

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070543A (ja) * 1983-09-28 1985-04-22 Toshiba Corp 情報記録担体
JPH04176039A (ja) * 1990-07-04 1992-06-23 Casio Comput Co Ltd 光磁気記録媒体の記録方法
JPH0528535A (ja) * 1991-07-17 1993-02-05 Victor Co Of Japan Ltd 光記録媒体
JPH0991778A (ja) * 1995-09-28 1997-04-04 Canon Inc 光磁気記録媒体および光磁気記録再生方法
JPH10172195A (ja) * 1996-12-12 1998-06-26 Nikon Corp 光ディスクおよび記録再生方法
WO2010073766A1 (ja) * 2008-12-25 2010-07-01 国立大学法人東京大学 微小構造体、その製造方法、磁気メモリ、電荷蓄積型メモリ及び光情報記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0434230B1 (en) * 1989-11-22 1996-05-22 Sharp Kabushiki Kaisha Optical recording medium and method of recording and reproducing information thereon
EP1166264A1 (en) * 1999-02-12 2002-01-02 General Electric Company Data storage media
JP2003051137A (ja) * 2001-08-07 2003-02-21 Hitachi Ltd 情報記録媒体
US20060281258A1 (en) * 2004-10-06 2006-12-14 Bernard Dieny Magnetic tunnel junction device and writing/reading method for said device
JP4875708B2 (ja) * 2005-10-17 2012-02-15 エージェンシー フォー サイエンス，テクノロジー アンド リサーチ 新規な相変化磁性材料
FR2931011B1 (fr) * 2008-05-06 2010-05-28 Commissariat Energie Atomique Element magnetique a ecriture assistee thermiquement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070543A (ja) * 1983-09-28 1985-04-22 Toshiba Corp 情報記録担体
JPH04176039A (ja) * 1990-07-04 1992-06-23 Casio Comput Co Ltd 光磁気記録媒体の記録方法
JPH0528535A (ja) * 1991-07-17 1993-02-05 Victor Co Of Japan Ltd 光記録媒体
JPH0991778A (ja) * 1995-09-28 1997-04-04 Canon Inc 光磁気記録媒体および光磁気記録再生方法
JPH10172195A (ja) * 1996-12-12 1998-06-26 Nikon Corp 光ディスクおよび記録再生方法
WO2010073766A1 (ja) * 2008-12-25 2010-07-01 国立大学法人東京大学 微小構造体、その製造方法、磁気メモリ、電荷蓄積型メモリ及び光情報記録媒体

Also Published As

Publication number Publication date
US20140057134A1 (en) 2014-02-27

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