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SG142219A1 - Perpendicular magnetic recording medium - Google Patents

Perpendicular magnetic recording medium

Info

Publication number
SG142219A1
SG142219A1 SG200706334-0A SG2007063340A SG142219A1 SG 142219 A1 SG142219 A1 SG 142219A1 SG 2007063340 A SG2007063340 A SG 2007063340A SG 142219 A1 SG142219 A1 SG 142219A1
Authority
SG
Singapore
Prior art keywords
magnetic recording
recording medium
layer
perpendicular magnetic
underlayer
Prior art date
Application number
SG200706334-0A
Other languages
English (en)
Inventor
Takenoiri Shunji
Sakai Yasushi
Original Assignee
Fuji Elec Device Tech 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 Elec Device Tech Co Ltd filed Critical Fuji Elec Device Tech Co Ltd
Publication of SG142219A1 publication Critical patent/SG142219A1/en

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
    • G11B5/62—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
    • G11B5/672—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 different compositions in a plurality of magnetic layers, e.g. layer compositions having differing elemental components or differing proportions of elements
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/7368—Non-polymeric layer under the lowermost magnetic recording layer

Landscapes

  • Magnetic Record Carriers (AREA)
SG200706334-0A 2006-10-12 2007-08-27 Perpendicular magnetic recording medium SG142219A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006278580 2006-10-12
JP2007143473A JP4761224B2 (ja) 2006-10-12 2007-05-30 垂直磁気記録媒体

Publications (1)

Publication Number Publication Date
SG142219A1 true SG142219A1 (en) 2008-05-28

Family

ID=39318304

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200706334-0A SG142219A1 (en) 2006-10-12 2007-08-27 Perpendicular magnetic recording medium

Country Status (5)

Country Link
US (1) US7592080B2 (ja)
JP (1) JP4761224B2 (ja)
CN (1) CN101162587B (ja)
MY (1) MY141059A (ja)
SG (1) SG142219A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8105707B2 (en) * 2007-04-13 2012-01-31 Fuji Electric Co., Ltd. Perpendicular magnetic recording medium
WO2008133035A1 (ja) * 2007-04-13 2008-11-06 Fuji Electric Device Technology Co., Ltd. 垂直磁気記録媒体
JP5337451B2 (ja) * 2008-11-06 2013-11-06 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
US8114470B2 (en) * 2008-11-26 2012-02-14 Seagate Technology Llc Reduced spacing recording apparatus
JP5443065B2 (ja) * 2009-06-09 2014-03-19 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
JP5516283B2 (ja) 2010-03-17 2014-06-11 富士電機株式会社 垂直磁気記録媒体
JP5569213B2 (ja) 2010-07-26 2014-08-13 富士電機株式会社 垂直磁気記録媒体
JP2012238631A (ja) * 2011-05-10 2012-12-06 Sony Corp 記憶素子、記憶装置
JP5177256B2 (ja) * 2011-06-03 2013-04-03 富士電機株式会社 垂直磁気記録媒体およびその製造方法
US8758912B2 (en) 2011-09-16 2014-06-24 WD Media, LLC Interlayers for magnetic recording media
JP5575172B2 (ja) * 2012-03-28 2014-08-20 株式会社東芝 磁気記録媒体，磁気記録再生装置，および磁気記録媒体の製造方法
WO2014058291A1 (en) 2012-10-08 2014-04-17 Fuji Electric (Malaysia) Sdn Bhd Perpendicular magnetic recording medium
US9245549B2 (en) 2013-05-13 2016-01-26 HGST Netherlands B.V. Thermally stable low random telegraph noise sensor
JP6416041B2 (ja) * 2015-05-29 2018-10-31 昭和電工株式会社 垂直磁気記録媒体及び磁気記録再生装置
JP6825573B2 (ja) * 2015-11-17 2021-02-03 ソニー株式会社 磁気記録媒体

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3731640B2 (ja) * 1999-11-26 2006-01-05 株式会社日立グローバルストレージテクノロジーズ 垂直磁気記録媒体及び磁気記憶装置
JP2002100030A (ja) 2000-09-21 2002-04-05 Toshiba Corp 垂直磁気記録媒体
JP2002298323A (ja) 2001-03-30 2002-10-11 Toshiba Corp 磁気記録媒体および磁気記録装置
JP4707265B2 (ja) 2001-05-30 2011-06-22 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体
JP3755449B2 (ja) 2001-10-05 2006-03-15 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体
EP1472348B1 (en) * 2002-01-31 2006-12-20 University Of Rochester Ultraviolet light for light activated gene transduction in gene delivery
JP4348952B2 (ja) 2003-01-27 2009-10-21 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体及びその製造方法
JP4214472B2 (ja) * 2003-03-05 2009-01-28 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体及びその製造方法
JP2004272957A (ja) 2003-03-05 2004-09-30 Fuji Electric Device Technology Co Ltd 垂直磁気記録媒体及びその製造方法
JP2004310944A (ja) * 2003-04-09 2004-11-04 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
JP4247575B2 (ja) 2003-05-20 2009-04-02 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体の製造方法
JP2004348849A (ja) * 2003-05-22 2004-12-09 Hitachi Ltd 垂直磁気記録媒体及び磁気記録装置
JP4169663B2 (ja) 2003-07-25 2008-10-22 Ｈｏｙａ株式会社 垂直磁気記録媒体
KR100590530B1 (ko) 2003-12-10 2006-06-15 삼성전자주식회사 수직자기기록매체
JP2005276367A (ja) 2004-03-25 2005-10-06 Toshiba Corp 垂直磁気記録媒体及び磁気記録再生装置
JP4534711B2 (ja) * 2004-10-21 2010-09-01 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体
JP4327710B2 (ja) 2004-12-27 2009-09-09 株式会社東芝 垂直磁気記録媒体及び磁気記録再生装置
JP2007250150A (ja) * 2006-03-20 2007-09-27 Fujitsu Ltd 垂直磁気記録媒体

Also Published As

Publication number Publication date
CN101162587A (zh) 2008-04-16
US7592080B2 (en) 2009-09-22
JP2008117506A (ja) 2008-05-22
CN101162587B (zh) 2012-04-11
MY141059A (en) 2010-02-25
US20080096055A1 (en) 2008-04-24
JP4761224B2 (ja) 2011-08-31

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