SG11201508534WA - MAGNETIC STACK INCLUDING MgO-Ti(ON) INTERLAYER - Google Patents

MAGNETIC STACK INCLUDING MgO-Ti(ON) INTERLAYER

Info

Publication number
SG11201508534WA
SG11201508534WA SG11201508534WA SG11201508534WA SG11201508534WA SG 11201508534W A SG11201508534W A SG 11201508534WA SG 11201508534W A SG11201508534W A SG 11201508534WA SG 11201508534W A SG11201508534W A SG 11201508534WA SG 11201508534W A SG11201508534W A SG 11201508534WA
Authority
SG
Singapore
Prior art keywords
interlayer
stack including
magnetic stack
including mgo
mgo
Prior art date
Application number
SG11201508534WA
Other languages
English (en)
Inventor
Yukiko Kubota
Timothy J Klemmer
Kai Chieh Chang
Li Gao
Yinfeng Ding
Yingguo Peng
Jan-Ulrich Thiele
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 SG11201508534WA publication Critical patent/SG11201508534WA/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
    • G11B5/62Record 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
    • G11B5/7375Non-polymeric layer under the lowermost magnetic recording layer for heat-assisted or thermally-assisted magnetic recording [HAMR, TAMR]
    • 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
    • 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
    • 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
    • G11B5/7377Physical 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
SG11201508534WA 2013-09-30 2014-09-29 MAGNETIC STACK INCLUDING MgO-Ti(ON) INTERLAYER SG11201508534WA (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361884960P 2013-09-30 2013-09-30
US14/068,871 US9672854B2 (en) 2013-09-30 2013-10-31 Magnetic stack including MgO-Ti(ON) interlayer
PCT/US2014/058021 WO2015048629A1 (en) 2013-09-30 2014-09-29 MAGNETIC STACK INCLUDING MgO-Ti(ON) INTERLAYER

Publications (1)

Publication Number Publication Date
SG11201508534WA true SG11201508534WA (en) 2015-11-27

Family

ID=52740446

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201508534WA SG11201508534WA (en) 2013-09-30 2014-09-29 MAGNETIC STACK INCLUDING MgO-Ti(ON) INTERLAYER

Country Status (7)

Country Link
US (2) US9672854B2 (ja)
JP (1) JP6067180B2 (ja)
CN (1) CN105474315B (ja)
MY (1) MY163250A (ja)
SG (1) SG11201508534WA (ja)
TW (1) TWI629179B (ja)
WO (1) WO2015048629A1 (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9672854B2 (en) 2013-09-30 2017-06-06 Seagate Technology Llc Magnetic stack including MgO-Ti(ON) interlayer
US10276201B1 (en) 2015-11-02 2019-04-30 WD Media, LLC Dual phase MgO-X seed layers for heat assisted magnetic recording media
JP2017224371A (ja) * 2016-06-15 2017-12-21 昭和電工株式会社 磁気記録媒体及び磁気記憶装置
TWI640644B (zh) * 2017-01-19 2018-11-11 國立中興大學 Sputtering target for DC sputtering and perpendicular magnetic recording medium having the same
JP6832189B2 (ja) 2017-02-21 2021-02-24 昭和電工株式会社 磁気記録媒体及び磁気記録再生装置
SG10202101868SA (en) * 2017-03-10 2021-03-30 Fuji Electric Co Ltd Magnetic recording medium
JP7041597B2 (ja) * 2018-06-29 2022-03-24 昭和電工株式会社 熱アシスト磁気記録媒体および磁気記憶装置
JP7258275B2 (ja) * 2019-05-09 2023-04-17 株式会社レゾナック 磁気記録媒体および磁気記録再生装置
US11521648B2 (en) * 2020-11-04 2022-12-06 Western Digital Technologies, Inc. Heat-assisted magnetic recording (HAMR) medium with multilayered underlayer for the recording layer
JP2022159710A (ja) * 2021-04-05 2022-10-18 昭和電工株式会社 磁気記録媒体の製造方法、磁気記録媒体及び磁気記憶装置
US11900978B1 (en) * 2022-08-11 2024-02-13 Western Digital Technologies, Inc. Magnetic recording medium with underlayer configured to reduce diffusion of titanium into a magnetic recording layer

Family Cites Families (23)

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Publication number Priority date Publication date Assignee Title
JP3370720B2 (ja) 1993-03-10 2003-01-27 株式会社日立製作所 磁気記録媒体及び磁気記録装置
JP4309979B2 (ja) 1998-09-16 2009-08-05 Tdk株式会社 窒化アルミニウム膜の製造方法および磁気ヘッドの製造方法
JP2001291230A (ja) * 2000-03-31 2001-10-19 Sony Corp 磁気記録媒体及びその製造方法
US20020160194A1 (en) * 2001-04-27 2002-10-31 Flex Products, Inc. Multi-layered magnetic pigments and foils
JP2003036525A (ja) 2001-07-25 2003-02-07 Fuji Electric Co Ltd 垂直磁気記録媒体及びその製造方法
JP2005122872A (ja) * 2003-09-22 2005-05-12 Ricoh Co Ltd 2層相変化型情報記録媒体及びその記録再生方法
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
JP4069205B2 (ja) 2004-03-29 2008-04-02 独立行政法人物質・材料研究機構 磁気記録媒体の製造方法
US7300711B2 (en) 2004-10-29 2007-11-27 International Business Machines Corporation Magnetic tunnel junctions with high tunneling magnetoresistance using non-bcc magnetic materials
US7862914B2 (en) 2005-07-26 2011-01-04 Seagate Technology Llc Heatsink films for magnetic recording media
US8576515B2 (en) 2007-02-16 2013-11-05 Seagate Technology Llc Thin film structure with controlled lateral thermal spreading in the thin film
AU2008219354B2 (en) * 2007-09-19 2014-02-13 Viavi Solutions Inc. Anisotropic magnetic flakes
JP4621899B2 (ja) 2007-09-26 2011-01-26 独立行政法人物質・材料研究機構 磁気媒体
JP2009223940A (ja) 2008-03-14 2009-10-01 Tdk Corp 磁気記録媒体及び磁気記録再生装置
JP5385558B2 (ja) 2008-06-30 2014-01-08 アネスト岩田株式会社 塗装ブース用スラッジ回収装置
US8268462B2 (en) * 2008-12-22 2012-09-18 Seagate Technology Llc Hybrid grain boundary additives
JP5561766B2 (ja) * 2010-02-04 2014-07-30 昭和電工株式会社 熱アシスト磁気記録媒体及び磁気記憶装置
JP5506604B2 (ja) 2010-08-30 2014-05-28 昭和電工株式会社 熱アシスト磁気記録媒体及び磁気記憶装置
US8599652B2 (en) 2011-07-14 2013-12-03 Tdk Corporation Thermally-assisted magnetic recording medium and magnetic recording/reproducing device using the same
US8509039B1 (en) 2012-06-28 2013-08-13 HGST Netherlands B.V. Thermally-assisted recording (TAR) disk with low thermal-conductivity underlayer
US8993134B2 (en) 2012-06-29 2015-03-31 Western Digital Technologies, Inc. Electrically conductive underlayer to grow FePt granular media with (001) texture on glass substrates
MY178275A (en) * 2012-09-27 2020-10-07 Seagate Technology Llc Magnetic stack including tin-x intermediate layer
US9672854B2 (en) 2013-09-30 2017-06-06 Seagate Technology Llc Magnetic stack including MgO-Ti(ON) interlayer

Also Published As

Publication number Publication date
TWI629179B (zh) 2018-07-11
TW201529336A (zh) 2015-08-01
CN105474315A (zh) 2016-04-06
US9672854B2 (en) 2017-06-06
WO2015048629A1 (en) 2015-04-02
US20150093598A1 (en) 2015-04-02
JP2016522957A (ja) 2016-08-04
US10453487B2 (en) 2019-10-22
CN105474315B (zh) 2019-05-14
US20160099016A1 (en) 2016-04-07
JP6067180B2 (ja) 2017-01-25
MY163250A (en) 2017-08-30

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