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SG11202009585QA - Perpendicular magnetic recording medium - Google Patents

Perpendicular magnetic recording medium

Info

Publication number
SG11202009585QA
SG11202009585QA SG11202009585QA SG11202009585QA SG11202009585QA SG 11202009585Q A SG11202009585Q A SG 11202009585QA SG 11202009585Q A SG11202009585Q A SG 11202009585QA SG 11202009585Q A SG11202009585Q A SG 11202009585QA SG 11202009585Q A SG11202009585Q A SG 11202009585QA
Authority
SG
Singapore
Prior art keywords
recording medium
magnetic recording
perpendicular magnetic
medium
recording
Prior art date
Application number
SG11202009585QA
Inventor
Manami Masuda
Masayoshi Shimizu
Original Assignee
Jx Nippon Mining & Metals Corp
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 Jx Nippon Mining & Metals Corp filed Critical Jx Nippon Mining & Metals Corp
Publication of SG11202009585QA publication Critical patent/SG11202009585QA/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
    • G11B5/672—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
    • G11B5/64—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent
    • G11B5/65—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing oxygen, e.g. molecular oxygen or magnetic oxide
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
  • Mram Or Spin Memory Techniques (AREA)
SG11202009585QA 2018-03-28 2018-09-21 Perpendicular magnetic recording medium SG11202009585QA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018063229 2018-03-28
PCT/JP2018/035132 WO2019187226A1 (en) 2018-03-28 2018-09-21 Perpendicular magnetic recording medium

Publications (1)

Publication Number Publication Date
SG11202009585QA true SG11202009585QA (en) 2020-10-29

Family

ID=68061014

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202009585QA SG11202009585QA (en) 2018-03-28 2018-09-21 Perpendicular magnetic recording medium

Country Status (6)

Country Link
JP (1) JP7116782B2 (en)
CN (1) CN111971745B (en)
MY (1) MY202613A (en)
SG (1) SG11202009585QA (en)
TW (1) TWI713985B (en)
WO (1) WO2019187226A1 (en)

Family Cites Families (30)

* Cited by examiner, † Cited by third party
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US5492775A (en) * 1993-05-28 1996-02-20 International Business Machines Corporation Barium ferrite thin film for longitudinal recording
US7009930B1 (en) * 1999-12-21 2006-03-07 Matsushita Electric Industrial Co., Ltd. Optical information recording medium, method of recording and reproducing, and optical recording and reproducing system
US6999255B2 (en) * 2001-11-09 2006-02-14 Fuji Photo Film Co., Ltd. Magnetic recording and reproducing system and magnetic recording medium used therein
DE60326385D1 (en) * 2002-12-13 2009-04-09 Panasonic Corp OPTICAL INFORMATION RECORDING MEDIUM AND METHOD FOR THE PRODUCTION THEREOF
TW200506926A (en) * 2003-06-13 2005-02-16 Matsushita Electric Industrial Co Ltd Optical information recording medium and method for manufacturing the same
JP4021435B2 (en) * 2004-10-25 2007-12-12 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ Perpendicular magnetic recording medium, manufacturing method thereof, and magnetic recording / reproducing apparatus
JP2006127588A (en) * 2004-10-27 2006-05-18 Hitachi Global Storage Technologies Netherlands Bv Perpendicular magnetic recording medium
CN100440323C (en) * 2005-03-30 2008-12-03 富士通株式会社 Perpendicular magnetic recording medium, manufacturing method thereof, and magnetic storage device
JP2007026536A (en) * 2005-07-15 2007-02-01 Showa Denko Kk Magnetic recording medium, its manufacturing method and magnetic recording and reproducing apparatus
CN101313357B (en) * 2005-09-22 2010-10-20 东丽株式会社 Support for magnetic recording medium, and magnetic recording medium
TWI331329B (en) * 2006-11-14 2010-10-01 Nat Univ Tsing Hua Perpendicular magnetic recording media
JP5184843B2 (en) * 2007-08-21 2013-04-17 エイチジーエスティーネザーランドビーブイ Perpendicular magnetic recording medium and magnetic storage device
JP4292226B1 (en) * 2007-12-20 2009-07-08 株式会社東芝 Perpendicular magnetic recording medium and magnetic recording / reproducing apparatus using the same
US7862912B2 (en) * 2008-03-04 2011-01-04 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording medium and system with low-curie-temperature multilayer for heat-assisted writing and/or reading
JP2009238299A (en) * 2008-03-26 2009-10-15 Hoya Corp Vertical magnetic recording medium and method for making vertical magnetic recording medium
TWI371036B (en) * 2008-10-30 2012-08-21 Nat Univ Tsing Hua Exchange coupled composite type of perpendicular magnetic recording media
US7867637B2 (en) * 2008-11-17 2011-01-11 Seagate Technology Llc Low coupling oxide media (LCOM)
JP5448750B2 (en) * 2009-11-26 2014-03-19 エイチジーエスティーネザーランドビーブイ Magnetic recording medium
US8048546B2 (en) * 2009-12-16 2011-11-01 Hitachi Global Storage Technologies Netherlands B.V. Perpendicular magnetic recording disk with ordered nucleation layer and method for making the disk
US9605339B2 (en) * 2010-12-21 2017-03-28 Jx Nippon Mining & Metals Corporation Sputtering target for magnetic recording film and process for production thereof
JP5145437B2 (en) * 2011-03-02 2013-02-20 株式会社日立製作所 Magnetic recording medium
JP5943340B2 (en) * 2011-03-18 2016-07-05 セイコーインスツル株式会社 Magnetic recording medium
JP5964121B2 (en) * 2012-04-18 2016-08-03 山陽特殊製鋼株式会社 CrTi alloy for adhesion film layer and sputtering target material used for magnetic recording medium, and perpendicular magnetic recording medium using the same
SG11201502573SA (en) * 2012-10-10 2015-05-28 Fuji Electric Co Ltd Magnetic recording medium
CN104718574B (en) * 2012-12-06 2018-03-30 富士电机株式会社 Perpendicular magnetic recording medium
WO2014097911A1 (en) * 2012-12-18 2014-06-26 Jx日鉱日石金属株式会社 Sintered sputtering target
JP6161991B2 (en) * 2013-08-15 2017-07-12 山陽特殊製鋼株式会社 Fe-Co alloy sputtering target material
WO2015025465A1 (en) * 2013-08-23 2015-02-26 ソニー株式会社 Ferrimagnetic particle powder and manufacturing method therefor, and magnetic recording medium and manufacturing method therefor
US10020016B2 (en) * 2013-12-10 2018-07-10 Fuji Electric Co., Ltd. Perpendicular magnetic recording medium
JP6594633B2 (en) * 2015-02-23 2019-10-23 富士電機株式会社 Magnetic recording medium

Also Published As

Publication number Publication date
CN111971745A (en) 2020-11-20
JP7116782B2 (en) 2022-08-10
JPWO2019187226A1 (en) 2021-05-27
TW201942900A (en) 2019-11-01
TWI713985B (en) 2020-12-21
MY202613A (en) 2024-05-10
WO2019187226A1 (en) 2019-10-03
CN111971745B (en) 2022-05-10

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