SG10201500452SA - Stack including a magnetic zero layer - Google Patents

Stack including a magnetic zero layer

Info

Publication number
SG10201500452SA
SG10201500452SA SG10201500452SA SG10201500452SA SG10201500452SA SG 10201500452S A SG10201500452S A SG 10201500452SA SG 10201500452S A SG10201500452S A SG 10201500452SA SG 10201500452S A SG10201500452S A SG 10201500452SA SG 10201500452S A SG10201500452S A SG 10201500452SA
Authority
SG
Singapore
Prior art keywords
stack including
zero layer
magnetic zero
magnetic
layer
Prior art date
Application number
SG10201500452SA
Other languages
English (en)
Inventor
Kim Jai-Young
P Nolan Thomas
Kang Kyongha
Wang Shoutao
D Nguyen Vincent
Hailu Abebe
C Chen Charles
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 SG10201500452SA publication Critical patent/SG10201500452SA/en

Links

Classifications

    • 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
SG10201500452SA 2011-02-28 2012-02-22 Stack including a magnetic zero layer SG10201500452SA (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SG10201500452SA true SG10201500452SA (en) 2015-03-30

Family

ID=46719182

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201500452SA SG10201500452SA (en) 2011-02-28 2012-02-22 Stack including a magnetic zero layer
SG2012012563A SG183646A1 (en) 2011-02-28 2012-02-22 Stack including a magnetic zero layer

Family Applications After (1)

Application Number Title Priority Date Filing Date
SG2012012563A SG183646A1 (en) 2011-02-28 2012-02-22 Stack including a magnetic zero layer

Country Status (7)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP6156518B2 (ja) * 2014-01-23 2017-07-05 富士電機株式会社 垂直磁気記録媒体
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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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
US6656613B2 (en) * 2000-09-27 2003-12-02 Seagate Technology Llc Multilayer magnetic recording media with columnar microstructure for improved exchange decoupling
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
JP2003217107A (ja) * 2002-01-17 2003-07-31 Fuji Electric Co Ltd 磁気記録媒体
JP2003248914A (ja) * 2002-02-26 2003-09-05 Hitachi Ltd 垂直磁気記録媒体及びその製造方法
SG118199A1 (en) * 2002-09-04 2006-01-27 Fuji Electric Co Ltd Perpendicular magnetic recording medium and a method for manufacturing same
WO2004027762A1 (en) 2002-09-06 2004-04-01 Fujitsu Limited Magnetic recording medium and magnetic storage apparatus
US20040166371A1 (en) 2003-02-26 2004-08-26 Berger Andreas Klaus Dieter Magnetic recording media with write-assist layer
US7470474B2 (en) * 2003-04-07 2008-12-30 Kabushiki Kaisha Toshiba Magnetic recording medium, production process thereof, and magnetic recording and reproducing apparatus including both oxide and non-oxide perpendicular magnetic layers
JP4171732B2 (ja) 2003-05-15 2008-10-29 富士通株式会社 磁気記録媒体及び磁気記憶装置
WO2005034097A1 (ja) * 2003-09-30 2005-04-14 Fujitsu Limited 垂直磁気記録媒体,その製造方法、記録方法及び再生方法
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JP2005251264A (ja) * 2004-03-02 2005-09-15 Fuji Electric Holdings Co Ltd 垂直磁気記録媒体およびその製造方法
US7235314B2 (en) * 2004-03-11 2007-06-26 Seagate Technology Llc Inter layers for perpendicular recording media
US7384699B2 (en) * 2004-08-02 2008-06-10 Seagate Technology Llc Magnetic recording media with tuned exchange coupling and method for fabricating same
JP2006268972A (ja) * 2005-03-24 2006-10-05 Hoya Corp 垂直磁気記録ディスク及びその製造方法
US7833640B2 (en) 2005-08-19 2010-11-16 Hitachi Global Storage Technologies Netherlands B.V. Intermediate tri-layer structure for perpendicular recording media
US7846564B2 (en) 2005-09-27 2010-12-07 Seagate Technology Llc Perpendicular magnetic recording media with magnetic anisotropy/coercivity gradient and local exchange coupling
JP4557880B2 (ja) 2005-12-20 2010-10-06 株式会社東芝 磁気記録媒体及び磁気記録再生装置
US7713389B2 (en) * 2005-12-21 2010-05-11 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording disk with ultrathin nucleation film for improved corrosion resistance and method for making the disk
JP2007184066A (ja) * 2006-01-10 2007-07-19 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体及びこれを用いた磁気記憶装置
JP2008034060A (ja) * 2006-07-31 2008-02-14 Fujitsu Ltd 垂直磁気記録媒体および磁気記憶装置
JP4771222B2 (ja) * 2006-09-13 2011-09-14 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
JP2008090906A (ja) * 2006-09-29 2008-04-17 Hoya Corp 垂直磁気記録媒体の製造方法
US20080090106A1 (en) 2006-10-13 2008-04-17 David Braunstein Soft underlayer for perpendicular media with mechanical stability and corrosion resistance
JP2009110606A (ja) 2007-10-30 2009-05-21 Fujitsu Ltd 磁気記録媒体、その製造方法及び磁気記憶装置
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
US7867637B2 (en) 2008-11-17 2011-01-11 Seagate Technology Llc Low coupling oxide media (LCOM)
US8877359B2 (en) * 2008-12-05 2014-11-04 Wd Media (Singapore) Pte. Ltd. Magnetic disk and method for manufacturing same
JP5377015B2 (ja) * 2009-03-19 2013-12-25 昭和電工株式会社 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
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
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

Also Published As

Publication number Publication date
DE102012003821A1 (de) 2012-09-20
US20150332721A1 (en) 2015-11-19
TW201301276A (zh) 2013-01-01
SG183646A1 (en) 2012-09-27
US9093101B2 (en) 2015-07-28
MY180827A (en) 2020-12-09
CN102682789A (zh) 2012-09-19
JP5923337B2 (ja) 2016-05-24
JP2012181908A (ja) 2012-09-20
TWI564886B (zh) 2017-01-01
US9734857B2 (en) 2017-08-15
US20120219827A1 (en) 2012-08-30

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