JP2001344740A - 磁気記録媒体及び磁気記憶装置 - Google Patents

磁気記録媒体及び磁気記憶装置

Info

Publication number
JP2001344740A
JP2001344740A JP2000161122A JP2000161122A JP2001344740A JP 2001344740 A JP2001344740 A JP 2001344740A JP 2000161122 A JP2000161122 A JP 2000161122A JP 2000161122 A JP2000161122 A JP 2000161122A JP 2001344740 A JP2001344740 A JP 2001344740A
Authority
JP
Japan
Prior art keywords
magnetic
seed layer
recording medium
film
underlayer
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2000161122A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001344740A5 (enExample
Inventor
Tomoo Yamamoto
朋生 山本
Ichiro Tamai
一郎 玉井
Kiwamu Tanahashi
究 棚橋
Akira Ishikawa
石川　　晃
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2000161122A priority Critical patent/JP2001344740A/ja
Priority to US09/862,452 priority patent/US20020018920A1/en
Publication of JP2001344740A publication Critical patent/JP2001344740A/ja
Publication of JP2001344740A5 publication Critical patent/JP2001344740A5/ja
Pending legal-status Critical Current

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
    • 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
    • G11B5/657—Record carriers characterised by the selection of the material comprising only the magnetic material without bonding agent characterised by its composition containing inorganic, non-oxide compound of Si, N, P, B, H or C, e.g. in metal alloy or compound
    • 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
    • G11B5/7379—Seed layer, e.g. at least one non-magnetic layer is specifically adapted as a seed or seeding 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
    • G11B2005/0002—Special dispositions or recording techniques
    • G11B2005/0005—Arrangements, methods or circuits
    • G11B2005/001—Controlling recording characteristics of record carriers or transducing characteristics of transducers by means not being part of their structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Magnetic Record Carriers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2000161122A 2000-05-26 2000-05-26 磁気記録媒体及び磁気記憶装置 Pending JP2001344740A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000161122A JP2001344740A (ja) 2000-05-26 2000-05-26 磁気記録媒体及び磁気記憶装置
US09/862,452 US20020018920A1 (en) 2000-05-26 2001-05-23 Magnetic recording medium and magnetic recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000161122A JP2001344740A (ja) 2000-05-26 2000-05-26 磁気記録媒体及び磁気記憶装置

Publications (2)

Publication Number Publication Date
JP2001344740A true JP2001344740A (ja) 2001-12-14
JP2001344740A5 JP2001344740A5 (enExample) 2005-08-18

Family

ID=18665195

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000161122A Pending JP2001344740A (ja) 2000-05-26 2000-05-26 磁気記録媒体及び磁気記憶装置

Country Status (2)

Country Link
US (1) US20020018920A1 (enExample)
JP (1) JP2001344740A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111599384A (zh) * 2019-02-20 2020-08-28 株式会社东芝 磁盘装置以及磁盘装置的记录方法

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002260218A (ja) * 2001-03-05 2002-09-13 Anelva Corp 磁気記録ディスク、磁気記録ディスク製造方法及び磁気記録ディスク製造装置
JP4707265B2 (ja) * 2001-05-30 2011-06-22 富士電機デバイステクノロジー株式会社 垂直磁気記録媒体
US7651794B2 (en) * 2005-04-28 2010-01-26 Hitachi Global Storage Technologies Netherlands B.V. Adhesion layer for thin film magnetic recording medium
TWI312151B (en) * 2005-06-14 2009-07-11 Chang Ching Ra Tunable magnetic recording medium and its fabricating method
US7541105B2 (en) * 2006-09-25 2009-06-02 Seagate Technology Llc Epitaxial ferroelectric and magnetic recording structures including graded lattice matching layers
KR20080090932A (ko) * 2007-04-06 2008-10-09 삼성전자주식회사 강유전체 하드디스크 장치
JP5518449B2 (ja) * 2009-12-02 2014-06-11 エイチジーエスティーネザーランドビーブイ 磁気記録媒体及びその製造方法
US8611044B2 (en) 2011-06-02 2013-12-17 International Business Machines Corporation Magnetic head having separate protection for read transducers and write transducers
US8611043B2 (en) 2011-06-02 2013-12-17 International Business Machines Corporation Magnetic head having polycrystalline coating
US8837082B2 (en) 2012-04-27 2014-09-16 International Business Machines Corporation Magnetic recording head having quilted-type coating
US9036297B2 (en) 2012-08-31 2015-05-19 International Business Machines Corporation Magnetic recording head having protected reader sensors and near zero recession writer poles
US8780496B2 (en) 2012-09-21 2014-07-15 International Business Machines Corporation Device such as magnetic head having hardened dielectric portions
JP2015088197A (ja) * 2013-10-28 2015-05-07 昭和電工株式会社 磁気記録媒体および磁気記憶装置
US9698019B2 (en) * 2014-03-14 2017-07-04 Taiwan Semiconductor Manufacturing Company, Ltd. N-work function metal with crystal structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5989728A (en) * 1994-11-02 1999-11-23 International Business Machines Corporation Thin film magnetic recording medium having high coercivity
US5736262A (en) * 1994-12-05 1998-04-07 Mitsubishi Chemical Corporation Magnetic recording medium
JP2989169B2 (ja) * 1997-08-08 1999-12-13 日立金属株式会社 Ｎｉ−Ａｌ系金属間化合物ターゲットおよびその製造方法ならびに磁気記録媒体
US6248416B1 (en) * 1997-11-10 2001-06-19 Carnegie Mellon University Highly oriented magnetic thin films, recording media, transducers, devices made therefrom and methods of making

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111599384A (zh) * 2019-02-20 2020-08-28 株式会社东芝 磁盘装置以及磁盘装置的记录方法
CN111599384B (zh) * 2019-02-20 2021-08-17 株式会社东芝 磁盘装置以及磁盘装置的记录方法

Also Published As

Publication number Publication date
US20020018920A1 (en) 2002-02-14

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