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
Other languages
English (en)
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)
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 (ja) 2018-03-28 2018-09-21 垂直磁気記録媒体

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 (5)

Country Link
JP (1) JP7116782B2 (zh)
CN (1) CN111971745B (zh)
SG (1) SG11202009585QA (zh)
TW (1) TWI713985B (zh)
WO (1) WO2019187226A1 (zh)

Family Cites Families (30)

* Cited by examiner, † Cited by third party
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CN1681021B (zh) * 1999-12-21 2010-05-26 松下电器产业株式会社 光学信息记录介质、记录重放方法和光学记录重放系统
US6999255B2 (en) * 2001-11-09 2006-02-14 Fuji Photo Film Co., Ltd. Magnetic recording and reproducing system and magnetic recording medium used therein
AU2003289318A1 (en) * 2002-12-13 2004-07-09 Matsushita Electric Industrial Co., Ltd. Optical information recording medium and method for manufacturing same
TW200506926A (en) * 2003-06-13 2005-02-16 Matsushita Electric Ind Co Ltd Optical information recording medium and method for manufacturing the same
JP4021435B2 (ja) * 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 垂直磁気記録媒体、その製造方法及び磁気記録再生装置
JP2006127588A (ja) * 2004-10-27 2006-05-18 Hitachi Global Storage Technologies Netherlands Bv 垂直磁気記録媒体
CN100440323C (zh) * 2005-03-30 2008-12-03 富士通株式会社 垂直磁记录介质及其制造方法和磁存储装置
JP2007026536A (ja) * 2005-07-15 2007-02-01 Showa Denko Kk 磁気記録媒体およびその製造方法並びに磁気記録再生装置
US7879471B2 (en) * 2005-09-22 2011-02-01 Toray Industries, Inc. 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 (ja) * 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 垂直磁気記録媒体及び磁気記憶装置
JP4292226B1 (ja) * 2007-12-20 2009-07-08 株式会社東芝 垂直磁気記録媒体、及びこれを用いた磁気記録再生装置
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 (ja) * 2008-03-26 2009-10-15 Hoya Corp 垂直磁気記録媒体および垂直磁気記録媒体の製造方法
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 (ja) * 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 磁気記録媒体
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
CN103262166B (zh) * 2010-12-21 2016-10-26 吉坤日矿日石金属株式会社 磁记录膜用溅射靶及其制造方法
JP5145437B2 (ja) * 2011-03-02 2013-02-20 株式会社日立製作所 磁気記録媒体
JP5943340B2 (ja) * 2011-03-18 2016-07-05 セイコーインスツル株式会社 磁気記録媒体
JP5964121B2 (ja) * 2012-04-18 2016-08-03 山陽特殊製鋼株式会社 磁気記録媒体に用いる密着膜層用ＣｒＴｉ系合金およびスパッタリング用ターゲット材並びにそれを使用した垂直磁気記録媒体
JP6112117B2 (ja) * 2012-10-10 2017-04-12 富士電機株式会社 磁気記録媒体
WO2014087665A1 (ja) * 2012-12-06 2014-06-12 富士電機株式会社 垂直磁気記録媒体
JP5960287B2 (ja) * 2012-12-18 2016-08-02 Ｊｘ金属株式会社 焼結体スパッタリングターゲット
JP6161991B2 (ja) * 2013-08-15 2017-07-12 山陽特殊製鋼株式会社 Ｆｅ−Ｃｏ系合金スパッタリングターゲット材
EP3038107A4 (en) * 2013-08-23 2017-01-11 Sony Corporation 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 (ja) * 2015-02-23 2019-10-23 富士電機株式会社 磁気記録媒体

Also Published As

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

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