CN102682789A - 包括零磁性层的叠层 - Google Patents

包括零磁性层的叠层 Download PDF

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Publication number
CN102682789A
CN102682789A CN2012101161213A CN201210116121A CN102682789A CN 102682789 A CN102682789 A CN 102682789A CN 2012101161213 A CN2012101161213 A CN 2012101161213A CN 201210116121 A CN201210116121 A CN 201210116121A CN 102682789 A CN102682789 A CN 102682789A
Authority
CN
China
Prior art keywords
magnetosphere
zero
magnetic
interlayer
layer
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
CN2012101161213A
Other languages
English (en)
Chinese (zh)
Inventor
J-Y·金
T·P·诺兰
K·康
S·王
V·D·恩古耶
A·海卢
C·C·陈
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of CN102682789A publication Critical patent/CN102682789A/zh
Pending legal-status Critical Current

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/74Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/82Disk carriers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/64Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/66Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent the record carriers consisting of several layers
    • G11B5/676Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/73Base 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
    • G11B5/7368Non-polymeric layer under the lowermost magnetic recording layer
    • G11B5/7369Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • G11B5/737Physical structure of underlayer, e.g. texture
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851Coating a support with a magnetic layer by sputtering

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Thin Magnetic Films (AREA)
CN2012101161213A 2011-02-28 2012-02-27 包括零磁性层的叠层 Pending CN102682789A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/037,288 2011-02-28
US13/037,288 US9093101B2 (en) 2011-02-28 2011-02-28 Stack including a magnetic zero layer

Publications (1)

Publication Number Publication Date
CN102682789A true CN102682789A (zh) 2012-09-19

Family

ID=46719182

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101161213A Pending CN102682789A (zh) 2011-02-28 2012-02-27 包括零磁性层的叠层

Country Status (7)

Country Link
US (2) US9093101B2 (https=)
JP (1) JP5923337B2 (https=)
CN (1) CN102682789A (https=)
DE (1) DE102012003821A1 (https=)
MY (1) MY180827A (https=)
SG (2) SG10201500452SA (https=)
TW (1) TWI564886B (https=)

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US9093101B2 (en) * 2011-02-28 2015-07-28 Seagate Technology Llc Stack including a magnetic zero layer
US9028985B2 (en) * 2011-03-31 2015-05-12 WD Media, LLC Recording media with multiple exchange coupled magnetic layers
SG11201602691UA (en) * 2014-01-23 2016-05-30 Fuji Electric Co Ltd Perpendicular magnetic recording medium
JP6288658B2 (ja) 2014-03-20 2018-03-07 国立研究開発法人物質・材料研究機構 垂直磁化膜用下地、垂直磁化膜構造、垂直mtj素子及びこれらを用いた垂直磁気記録媒体
US9245564B2 (en) 2014-04-29 2016-01-26 HGST Netherlands B.V. Soft underlayer having a multilayer structure for high areal density perpendicular recording media
US9685184B1 (en) 2014-09-25 2017-06-20 WD Media, LLC NiFeX-based seed layer for magnetic recording media
US9990940B1 (en) 2014-12-30 2018-06-05 WD Media, LLC Seed structure for perpendicular magnetic recording media
US20180197571A1 (en) * 2017-01-10 2018-07-12 Seagate Technology Llc Translating layer for combining fcc and hcp lattice structures
US11380358B2 (en) * 2020-06-25 2022-07-05 Western Digital Technologies, Inc. Magnetic recording media design with reduced lattice mismatch between adjacent intermediate layers
US12183377B2 (en) * 2023-05-30 2024-12-31 Western Digital Technologies, Inc. Magnetic recording media with dead magnetic layer

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CN1655242A (zh) * 2004-01-09 2005-08-17 三星电子株式会社 Co基垂直磁记录介质
US20050202285A1 (en) * 2004-03-02 2005-09-15 Fuji Electric Holdings Co., Ltd. Perpendicular magnetic recording medium and method of manufacturing same
US20070188924A1 (en) * 2006-01-10 2007-08-16 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording medium and magnetic storage apparatus using the same
US20090081483A1 (en) * 2005-03-24 2009-03-26 Hoya Corporation Perpendicular magnetic recording disk and manufacturing method thereof
US20090141399A1 (en) * 2003-04-07 2009-06-04 Showa Denko K.K. Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus

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US6893542B1 (en) * 1999-09-10 2005-05-17 Seagate Technology Llc Sputtered multilayer magnetic recording media with ultra-high coercivity
JP4028154B2 (ja) 2000-04-07 2007-12-26 富士通株式会社 磁気記録媒体及び磁気記憶装置
US6730420B1 (en) * 2000-10-31 2004-05-04 Komag, Inc. Magnetic thin film recording media having extremely low noise and high thermal stability
JP4582978B2 (ja) * 2001-12-07 2010-11-17 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
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JP2010009683A (ja) 2008-06-27 2010-01-14 Showa Denko Kk 磁気記録媒体及び磁気記録装置
JP2010020854A (ja) 2008-07-11 2010-01-28 Showa Denko Kk 磁気記録媒体および情報記憶装置
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JP5377015B2 (ja) * 2009-03-19 2013-12-25 昭和電工株式会社 磁気記録媒体
JP5620118B2 (ja) * 2009-03-31 2014-11-05 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 垂直磁気記録媒体
JP5645443B2 (ja) 2009-03-31 2014-12-24 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 垂直磁気記録媒体
US9412404B2 (en) 2009-12-15 2016-08-09 HGST Netherlands B.V. Onset layer for perpendicular magnetic recording media
US9093101B2 (en) 2011-02-28 2015-07-28 Seagate Technology Llc Stack including a magnetic zero layer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020037439A1 (en) * 2000-09-27 2002-03-28 Dmitri Litvinov Multilayer magnetic recording media with columnar microstructure for improved exchange decoupling
US20090141399A1 (en) * 2003-04-07 2009-06-04 Showa Denko K.K. Magnetic recording medium, method for producing thereof, and magnetic recording and reproducing apparatus
CN1655242A (zh) * 2004-01-09 2005-08-17 三星电子株式会社 Co基垂直磁记录介质
US20050202285A1 (en) * 2004-03-02 2005-09-15 Fuji Electric Holdings Co., Ltd. Perpendicular magnetic recording medium and method of manufacturing same
US20090081483A1 (en) * 2005-03-24 2009-03-26 Hoya Corporation Perpendicular magnetic recording disk and manufacturing method thereof
US20070188924A1 (en) * 2006-01-10 2007-08-16 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording medium and magnetic storage apparatus using the same

Also Published As

Publication number Publication date
SG183646A1 (en) 2012-09-27
US9093101B2 (en) 2015-07-28
US20150332721A1 (en) 2015-11-19
JP5923337B2 (ja) 2016-05-24
DE102012003821A1 (de) 2012-09-20
TW201301276A (zh) 2013-01-01
US20120219827A1 (en) 2012-08-30
SG10201500452SA (en) 2015-03-30
TWI564886B (zh) 2017-01-01
MY180827A (en) 2020-12-09
US9734857B2 (en) 2017-08-15
JP2012181908A (ja) 2012-09-20

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