JP6206252B2 - 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法 - Google Patents

磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法 Download PDF

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Publication number
JP6206252B2
JP6206252B2 JP2014040945A JP2014040945A JP6206252B2 JP 6206252 B2 JP6206252 B2 JP 6206252B2 JP 2014040945 A JP2014040945 A JP 2014040945A JP 2014040945 A JP2014040945 A JP 2014040945A JP 6206252 B2 JP6206252 B2 JP 6206252B2
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Japan
Prior art keywords
servo signal
magnetic
recording medium
magnetic layer
magnetization
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Application number
JP2014040945A
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English (en)
Japanese (ja)
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JP2014199706A (ja
JP2014199706A5 (enExample
Inventor
博司 森田
博司 森田
栄治 中塩
栄治 中塩
清行 宮田
清行 宮田
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP2014040945A priority Critical patent/JP6206252B2/ja
Priority to US14/206,709 priority patent/US9001455B2/en
Priority to CN201410096569.2A priority patent/CN104050984B/zh
Priority to CN201810022822.8A priority patent/CN107978326B/zh
Publication of JP2014199706A publication Critical patent/JP2014199706A/ja
Publication of JP2014199706A5 publication Critical patent/JP2014199706A5/ja
Application granted granted Critical
Publication of JP6206252B2 publication Critical patent/JP6206252B2/ja
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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
    • G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
    • G11B5/78—Tape carriers
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes
    • G11B5/00817—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on longitudinal tracks only, e.g. for serpentine format recording
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • 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
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base 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
    • G11B2005/0026—Pulse recording
    • G11B2005/0029—Pulse recording using magnetisation components of the recording layer disposed mainly perpendicularly to the record carrier surface

Landscapes

  • Magnetic Record Carriers (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2014040945A 2013-03-15 2014-03-03 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法 Active JP6206252B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014040945A JP6206252B2 (ja) 2013-03-15 2014-03-03 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法
US14/206,709 US9001455B2 (en) 2013-03-15 2014-03-12 Magnetic recording medium, servo signal recording apparatus and method of producing magnetic recording medium
CN201410096569.2A CN104050984B (zh) 2013-03-15 2014-03-14 磁记录介质、伺服信号记录装置和制造磁记录介质的方法
CN201810022822.8A CN107978326B (zh) 2013-03-15 2014-03-14 磁记录介质、伺服信号记录装置和制造磁记录介质的方法

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013053586 2013-03-15
JP2013053586 2013-03-15
JP2014040945A JP6206252B2 (ja) 2013-03-15 2014-03-03 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2017166418A Division JP6465182B2 (ja) 2013-03-15 2017-08-31 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法

Publications (3)

Publication Number Publication Date
JP2014199706A JP2014199706A (ja) 2014-10-23
JP2014199706A5 JP2014199706A5 (enExample) 2016-03-10
JP6206252B2 true JP6206252B2 (ja) 2017-10-04

Family

ID=51503716

Family Applications (1)

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JP2014040945A Active JP6206252B2 (ja) 2013-03-15 2014-03-03 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法

Country Status (3)

Country Link
US (1) US9001455B2 (enExample)
JP (1) JP6206252B2 (enExample)
CN (2) CN104050984B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018005970A (ja) * 2013-03-15 2018-01-11 ソニー株式会社 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6206252B2 (ja) * 2013-03-15 2017-10-04 ソニー株式会社 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法
WO2014209231A1 (en) * 2013-06-26 2014-12-31 Agency For Science, Technology And Research Read assembly, data storage system, and methods of using the same
US10529367B2 (en) * 2014-11-18 2020-01-07 Sony Corporation Magnetic recording medium
JP7115316B2 (ja) * 2016-12-20 2022-08-09 ソニーグループ株式会社 磁気記録媒体
JP7032118B2 (ja) 2017-12-18 2022-03-08 日本電産サンキョー株式会社 カードリーダおよびカードリーダの制御方法
JP7136179B2 (ja) * 2018-02-16 2022-09-13 ソニーグループ株式会社 磁気記録媒体及びカートリッジ
JP6817981B2 (ja) 2018-03-13 2021-01-20 富士フイルム株式会社 磁気テープ、磁気テープの製造方法、磁気テープの製造装置、及び記録再生システム
US11508407B2 (en) * 2018-03-30 2022-11-22 Sony Corporation Magnetic recording medium having controlled dimensional characteristics
WO2020090124A1 (ja) * 2018-10-29 2020-05-07 ソニー株式会社 サーボパターン記録方法、サーボパターン記録装置、テープ状磁気記録媒体の製造方法及びテープ状磁気記録媒体
JP7435466B2 (ja) 2018-11-29 2024-02-21 ソニーグループ株式会社 サーボライトヘッド、サーボパターン記録装置及び磁気テープの製造方法
JP7003074B2 (ja) * 2019-01-31 2022-01-20 富士フイルム株式会社 磁気テープ、磁気テープカートリッジおよび磁気テープ装置
WO2020202584A1 (ja) * 2019-03-29 2020-10-08 ソニー株式会社 磁気記録媒体及びカートリッジ
WO2020203785A1 (ja) 2019-03-29 2020-10-08 ソニー株式会社 磁気記録媒体及びサーボ信号記録装置
JP6590106B1 (ja) 2019-05-08 2019-10-16 ソニー株式会社 磁気記録媒体およびカートリッジ
JP6590105B1 (ja) 2019-05-08 2019-10-16 ソニー株式会社 磁気記録媒体およびカートリッジ
JP6624332B1 (ja) 2019-08-21 2019-12-25 ソニー株式会社 磁気記録媒体およびカートリッジ
JP6838633B1 (ja) 2019-09-26 2021-03-03 ソニー株式会社 磁気記録媒体、磁気記録再生装置および磁気記録媒体カートリッジ
JP6813069B1 (ja) 2019-10-01 2021-01-13 ソニー株式会社 磁気記録媒体、磁気記録再生装置および磁気記録媒体カートリッジ
JP7327561B2 (ja) * 2019-11-05 2023-08-16 ソニーグループ株式会社 磁気記録媒体およびカートリッジ
JP7377182B2 (ja) * 2020-09-25 2023-11-09 富士フイルム株式会社 磁気記録ヘッドおよびその製造方法、磁気記録装置ならびに磁気記録媒体の製造方法
JP7651913B2 (ja) 2021-03-31 2025-03-27 ソニーグループ株式会社 磁気ヘッド、サーボパターン記録装置、テープドライブ装置、磁気テープの製造方法および記録方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0778919B2 (ja) * 1989-06-19 1995-08-23 日本ビクター株式会社 小型光磁気ディスク装置
US6700729B1 (en) * 2000-10-17 2004-03-02 Hewlett-Packard Development Company Alignment marks for tape head positioning
US6791774B1 (en) * 2003-05-12 2004-09-14 Hitachi Global Storage Technologies Netherlands B.V. Contact magnetic transfer of servo pattern to rigid perpendicular magnetic recording disk
JP2005166230A (ja) 2003-11-10 2005-06-23 Sony Corp 磁気記録媒体の記録方法および磁気記録媒体の記録装置および磁気記録媒体
JP2007220179A (ja) * 2006-02-15 2007-08-30 Fujifilm Corp Ｄｃ消磁ヘッド、ｄｃ消磁装置およびｄｃ消磁方法
JP4692490B2 (ja) * 2007-01-10 2011-06-01 富士電機デバイステクノロジー株式会社 垂直記録ディスクリートトラックメディアのサーボパターン磁化方法
US7551380B2 (en) * 2007-09-26 2009-06-23 Sun Microsystems, Inc. Method for writing a servo pattern in tape
US8749912B2 (en) * 2010-07-20 2014-06-10 International Business Machines Corporation Method and apparatus for bipolar servo marks writing with self DC-erase
US8867157B2 (en) * 2012-04-04 2014-10-21 Imation Corp. Perpendicular pole head for servo writing magnetic media
US8643968B2 (en) * 2012-04-26 2014-02-04 Imation Corp. Methods and systems for magnetic media servo writing
JP6206252B2 (ja) * 2013-03-15 2017-10-04 ソニー株式会社 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018005970A (ja) * 2013-03-15 2018-01-11 ソニー株式会社 磁気記録媒体、サーボ信号記録装置及び磁気記録媒体の製造方法
JP2021073634A (ja) * 2013-03-15 2021-05-13 ソニーグループ株式会社 磁気記録媒体の製造方法
JP7040650B2 (ja) 2013-03-15 2022-03-23 ソニーグループ株式会社 磁気記録媒体の製造方法

Also Published As

Publication number Publication date
CN104050984B (zh) 2018-02-13
CN107978326B (zh) 2020-08-14
US9001455B2 (en) 2015-04-07
CN104050984A (zh) 2014-09-17
JP2014199706A (ja) 2014-10-23
CN107978326A (zh) 2018-05-01
US20140268414A1 (en) 2014-09-18

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