TWI713985B - 垂直磁記錄介質 - Google Patents

垂直磁記錄介質 Download PDF

Info

Publication number
TWI713985B
TWI713985B TW108103337A TW108103337A TWI713985B TW I713985 B TWI713985 B TW I713985B TW 108103337 A TW108103337 A TW 108103337A TW 108103337 A TW108103337 A TW 108103337A TW I713985 B TWI713985 B TW I713985B
Authority
TW
Taiwan
Prior art keywords
layer
item
recording medium
cap layer
perpendicular magnetic
Prior art date
Application number
TW108103337A
Other languages
English (en)
Chinese (zh)
Other versions
TW201942900A (zh
Inventor
增田愛美
清水正義
Original Assignee
日商Jx金屬股份有限公司
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 日商Jx金屬股份有限公司 filed Critical 日商Jx金屬股份有限公司
Publication of TW201942900A publication Critical patent/TW201942900A/zh
Application granted granted Critical
Publication of TWI713985B publication Critical patent/TWI713985B/zh

Links

Images

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
    • G11B5/64Record 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
    • G11B5/672Record 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
    • 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
    • G11B5/65Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition
    • G11B5/658Record 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Magnetic Record Carriers (AREA)
TW108103337A 2018-03-28 2019-01-29 垂直磁記錄介質 TWI713985B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018063229 2018-03-28
JP2018-063229 2018-03-28

Publications (2)

Publication Number Publication Date
TW201942900A TW201942900A (zh) 2019-11-01
TWI713985B true TWI713985B (zh) 2020-12-21

Family

ID=68061014

Family Applications (1)

Application Number Title Priority Date Filing Date
TW108103337A TWI713985B (zh) 2018-03-28 2019-01-29 垂直磁記錄介質

Country Status (5)

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

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW200617901A (en) * 2004-10-27 2006-06-01 Hitachi Global Storage Tech Nl Perpendicular magnetic recording medium
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
TW200822087A (en) * 2006-11-14 2008-05-16 Nat Univ Tsing Hua Perpendicular magnetic recording media
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
TW201017653A (en) * 2008-10-30 2010-05-01 Nat Univ Tsing Hua Exchange coupled composite type of perpendicular magnetic recording media
CN102103867A (zh) * 2009-12-16 2011-06-22 日立环球储存科技荷兰有限公司 连续介质垂直磁记录盘及其制造方法
TW201226611A (en) * 2010-12-21 2012-07-01 Jx Nippon Mining & Metals Corp Sputtering target for magnetic recording film, and process for production thereof
CN102693731A (zh) * 2011-03-18 2012-09-26 精工电子有限公司 磁记录介质
TW201411611A (zh) * 2012-04-18 2014-03-16 Sanyo Special Steel Co Ltd 使用於磁性記錄媒體之密合膜層用CrTi系合金和濺鍍用靶材料、及使用此之垂直磁性記錄媒體
TW201512421A (zh) * 2013-08-15 2015-04-01 Sanyo Special Steel Co Ltd Fe-Co系合金濺鍍靶材料及軟磁薄膜層與使用其之垂直磁性記錄媒體
CN104685566A (zh) * 2012-10-10 2015-06-03 富士电机株式会社 磁记录介质
CN104718574A (zh) * 2012-12-06 2015-06-17 富士电机株式会社 垂直磁记录介质
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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492775A (en) * 1993-05-28 1996-02-20 International Business Machines Corporation Barium ferrite thin film for longitudinal recording
JP4680465B2 (ja) * 1999-12-21 2011-05-11 パナソニック株式会社 光学情報記録媒体とその記録再生方法、およびこれを用いた光学情報の記録再生システム
US6999255B2 (en) * 2001-11-09 2006-02-14 Fuji Photo Film Co., Ltd. Magnetic recording and reproducing system and magnetic recording medium used therein
WO2004055800A1 (ja) * 2002-12-13 2004-07-01 Matsushita Electric Industrial Co., Ltd. 光学的情報記録媒体およびその製造方法
TW200506926A (en) * 2003-06-13 2005-02-16 Matsushita Electric Ind Co Ltd Optical information recording medium and method for manufacturing the same
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
JP4270318B2 (ja) * 2005-09-22 2009-05-27 東レ株式会社 磁気記録媒体用支持体および磁気記録媒体
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
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
JP5145437B2 (ja) * 2011-03-02 2013-02-20 株式会社日立製作所 磁気記録媒体
JP6485353B2 (ja) * 2013-08-23 2019-03-20 ソニー株式会社 フェリ磁性粒子粉末の製造方法、および磁気記録媒体の製造方法
MY160495A (en) * 2013-12-10 2017-03-15 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

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
TW200617901A (en) * 2004-10-27 2006-06-01 Hitachi Global Storage Tech Nl Perpendicular magnetic recording medium
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
TW200822087A (en) * 2006-11-14 2008-05-16 Nat Univ Tsing Hua Perpendicular magnetic recording media
TW201017653A (en) * 2008-10-30 2010-05-01 Nat Univ Tsing Hua Exchange coupled composite type of perpendicular magnetic recording media
CN102103867A (zh) * 2009-12-16 2011-06-22 日立环球储存科技荷兰有限公司 连续介质垂直磁记录盘及其制造方法
TW201226611A (en) * 2010-12-21 2012-07-01 Jx Nippon Mining & Metals Corp Sputtering target for magnetic recording film, and process for production thereof
CN102693731A (zh) * 2011-03-18 2012-09-26 精工电子有限公司 磁记录介质
TW201411611A (zh) * 2012-04-18 2014-03-16 Sanyo Special Steel Co Ltd 使用於磁性記錄媒體之密合膜層用CrTi系合金和濺鍍用靶材料、及使用此之垂直磁性記錄媒體
CN104685566A (zh) * 2012-10-10 2015-06-03 富士电机株式会社 磁记录介质
CN104718574A (zh) * 2012-12-06 2015-06-17 富士电机株式会社 垂直磁记录介质
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
TW201512421A (zh) * 2013-08-15 2015-04-01 Sanyo Special Steel Co Ltd Fe-Co系合金濺鍍靶材料及軟磁薄膜層與使用其之垂直磁性記錄媒體

Also Published As

Publication number Publication date
JP7116782B2 (ja) 2022-08-10
SG11202009585QA (en) 2020-10-29
CN111971745A (zh) 2020-11-20
WO2019187226A1 (ja) 2019-10-03
JPWO2019187226A1 (ja) 2021-05-27
TW201942900A (zh) 2019-11-01
CN111971745B (zh) 2022-05-10

Similar Documents

Publication Publication Date Title
US9064518B2 (en) Perpendicular magnetic recording medium
US8771849B2 (en) Perpendicular magnetic recording medium and magnetic recording/reproducing apparatus using the same
JPWO2006003922A1 (ja) 垂直磁気記録ディスク及びその製造方法
JP2003178412A (ja) 垂直磁気記録媒体およびその製造方法
JP2007035139A (ja) 垂直磁気記録媒体及び磁気記録再生装置
JP5999290B2 (ja) 磁気記録媒体
JP6447739B2 (ja) 垂直磁気記録媒体
KR20070067600A (ko) 내식성을 개선하기 위한 초박형 핵형성 막을 가진 수직자기 기록 디스크 및 이 디스크의 제조 방법
JP6260742B2 (ja) 磁気記録媒体
US20110129692A1 (en) Magnetic alloy materials with hcp stabilized microstructure, magnetic recording media comprising same, and fabrication method therefor
JP2007164941A (ja) 垂直磁気記録媒体
WO2017122593A1 (ja) 磁気記録媒体およびこれを製造する方法
TWI724428B (zh) 濺鍍靶、顆粒膜及垂直磁記錄媒體
TWI713985B (zh) 垂直磁記錄介質
JP6406462B2 (ja) 磁気記録媒体
JP6327357B2 (ja) 磁気記録媒体
JP6358640B2 (ja) 磁気記録媒体
JP6617923B2 (ja) 垂直磁気記録媒体の製造方法
TWI812869B (zh) 磁性記錄媒體用濺鍍靶
JP4993296B2 (ja) 垂直磁気記録媒体
JP6260517B2 (ja) 磁気記録媒体およびその製造方法
TWI671418B (zh) 濺鍍靶、積層膜之製造方法、積層膜及磁記錄媒體
JP2005190506A (ja) 垂直磁気記録媒体およびその製造方法
JP5737676B2 (ja) 磁気記録媒体及び磁気記録再生装置