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
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

    • 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
    • G11B5/7375—Non-polymeric layer under the lowermost magnetic recording layer for heat-assisted or thermally-assisted magnetic recording [HAMR, TAMR]
    • 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
    • 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
    • G11B5/7369—Two or more non-magnetic underlayers, e.g. seed layers or barrier layers
    • 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
    • G11B5/7377—Physical structure of underlayer, e.g. texture
    • 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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/851—Coating 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 (en)
JP (1) JP6067180B2 (en)
CN (1) CN105474315B (en)
MY (1) MY163250A (en)
SG (1) SG11201508534WA (en)
TW (1) TWI629179B (en)
WO (1) WO2015048629A1 (en)

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 (en) * 2016-06-15 2017-12-21 昭和電工株式会社 Magnetic recording medium and magnetic storage device
TWI640644B (en) * 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 (en) 2017-02-21 2021-02-24 昭和電工株式会社 Magnetic recording medium and magnetic recording / playback device
SG11201901734YA (en) * 2017-03-10 2019-04-29 Fuji Electric Co Ltd Magnetic recording medium
JP7041597B2 (en) * 2018-06-29 2022-03-24 昭和電工株式会社 Heat-assisted magnetic recording medium and magnetic storage device
JP7258275B2 (en) * 2019-05-09 2023-04-17 株式会社レゾナック Magnetic recording medium and magnetic recording/reproducing device
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 (en) * 2021-04-05 2022-10-18 昭和電工株式会社 Method of manufacturing magnetic recording medium, magnetic recording medium, and magnetic storage device
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 (en) 1993-03-10 2003-01-27 株式会社日立製作所 Magnetic recording medium and magnetic recording device
JP4309979B2 (en) 1998-09-16 2009-08-05 Ｔｄｋ株式会社 Method for manufacturing aluminum nitride film and method for manufacturing magnetic head
JP2001291230A (en) * 2000-03-31 2001-10-19 Sony Corp Magnetic recording medium and its manufacturing method
US20020160194A1 (en) * 2001-04-27 2002-10-31 Flex Products, Inc. Multi-layered magnetic pigments and foils
JP2003036525A (en) 2001-07-25 2003-02-07 Fuji Electric Co Ltd Perpendicular magnetic recording medium and its manufacturing method
JP2005122872A (en) * 2003-09-22 2005-05-12 Ricoh Co Ltd Two-layer phase-change type information recording medium and its recording and reproducing method
JP2005276367A (en) 2004-03-25 2005-10-06 Toshiba Corp Vertical magnetic recording medium and magnetic recording and reproducing device
JP4069205B2 (en) 2004-03-29 2008-04-02 独立行政法人物質・材料研究機構 Method for manufacturing magnetic recording medium
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 (en) 2007-09-26 2011-01-26 独立行政法人物質・材料研究機構 Magnetic media
JP2009223940A (en) 2008-03-14 2009-10-01 Tdk Corp Magnetic recording medium and magnetic recording and playback device
JP5385558B2 (en) 2008-06-30 2014-01-08 アネスト岩田株式会社 Sludge recovery device for painting booth
US8268462B2 (en) * 2008-12-22 2012-09-18 Seagate Technology Llc Hybrid grain boundary additives
JP5561766B2 (en) * 2010-02-04 2014-07-30 昭和電工株式会社 Thermally assisted magnetic recording medium and magnetic storage device
JP5506604B2 (en) 2010-08-30 2014-05-28 昭和電工株式会社 Thermally assisted magnetic recording medium and magnetic storage device
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
SG11201502412YA (en) * 2012-09-27 2015-05-28 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
US9672854B2 (en) 2017-06-06
US20160099016A1 (en) 2016-04-07
CN105474315B (en) 2019-05-14
MY163250A (en) 2017-08-30
JP6067180B2 (en) 2017-01-25
CN105474315A (en) 2016-04-06
TWI629179B (en) 2018-07-11
US20150093598A1 (en) 2015-04-02
JP2016522957A (en) 2016-08-04
WO2015048629A1 (en) 2015-04-02
US10453487B2 (en) 2019-10-22
TW201529336A (en) 2015-08-01

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