JP2004362734A - 遷移ゾーンを有する磁気記録ディスク - Google Patents

遷移ゾーンを有する磁気記録ディスク Download PDF

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Publication number
JP2004362734A
JP2004362734A JP2004063202A JP2004063202A JP2004362734A JP 2004362734 A JP2004362734 A JP 2004362734A JP 2004063202 A JP2004063202 A JP 2004063202A JP 2004063202 A JP2004063202 A JP 2004063202A JP 2004362734 A JP2004362734 A JP 2004362734A
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JP
Japan
Prior art keywords
zone
head
disk
texture
slider
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
JP2004063202A
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English (en)
Japanese (ja)
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JP2004362734A5 (enExample
Inventor
Shoji Suzuki
ショウジ・スズキ
Henry S Nishihira
ヘンリイ・エス・ニシヒラ
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.)
WD Media LLC
Original Assignee
Komag Inc
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
Priority claimed from US10/382,635 external-priority patent/US7016154B2/en
Application filed by Komag Inc filed Critical Komag Inc
Publication of JP2004362734A publication Critical patent/JP2004362734A/ja
Publication of JP2004362734A5 publication Critical patent/JP2004362734A5/ja
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/743—Patterned record carriers, wherein the magnetic recording layer is patterned into magnetic isolated data islands, e.g. discrete tracks
    • 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
    • G11B5/82—Disk 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Magnetic Record Carriers (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
JP2004063202A 2003-03-05 2004-03-05 遷移ゾーンを有する磁気記録ディスク Pending JP2004362734A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/382,635 US7016154B2 (en) 2003-03-05 2003-03-05 Magnetic recording disk having a safe zone
US10/701,059 US7199977B2 (en) 2003-03-05 2003-11-03 Magnetic recording disk having a transition zone

Publications (2)

Publication Number Publication Date
JP2004362734A true JP2004362734A (ja) 2004-12-24
JP2004362734A5 JP2004362734A5 (enExample) 2007-04-05

Family

ID=32871630

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004063202A Pending JP2004362734A (ja) 2003-03-05 2004-03-05 遷移ゾーンを有する磁気記録ディスク

Country Status (3)

Country Link
US (3) US20070070549A1 (enExample)
JP (1) JP2004362734A (enExample)
DE (1) DE102004010336A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010102821A (ja) * 2008-09-26 2010-05-06 Fujifilm Corp インプリント用モールド構造体、並びに磁気記録媒体及びその製造方法
WO2010109538A1 (ja) * 2009-03-27 2010-09-30 東芝ストレージデバイス株式会社 磁気ディスク、磁気ディスクの製造方法及び磁気ディスク装置

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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
JP5453666B2 (ja) 2008-03-30 2014-03-26 ダブリュディ・メディア・シンガポール・プライベートリミテッド 磁気ディスク及びその製造方法
US9177586B2 (en) 2008-09-30 2015-11-03 WD Media (Singapore), LLC Magnetic disk and manufacturing method thereof
WO2010064724A1 (ja) 2008-12-05 2010-06-10 Hoya株式会社 磁気ディスク及びその製造方法
WO2010116908A1 (ja) 2009-03-28 2010-10-14 Hoya株式会社 磁気ディスク用潤滑剤化合物及び磁気ディスク
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US20100300884A1 (en) 2009-05-26 2010-12-02 Wd Media, Inc. Electro-deposited passivation coatings for patterned media
US9330685B1 (en) 2009-11-06 2016-05-03 WD Media, LLC Press system for nano-imprinting of recording media with a two step pressing method
US8496466B1 (en) 2009-11-06 2013-07-30 WD Media, LLC Press system with interleaved embossing foil holders for nano-imprinting of recording media
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JP5574414B2 (ja) 2010-03-29 2014-08-20 ダブリュディ・メディア・シンガポール・プライベートリミテッド 磁気ディスクの評価方法及び磁気ディスクの製造方法
JP5645476B2 (ja) 2010-05-21 2014-12-24 ダブリュディ・メディア・シンガポール・プライベートリミテッド 垂直磁気ディスク
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US9177585B1 (en) 2013-10-23 2015-11-03 WD Media, LLC Magnetic media capable of improving magnetic properties and thermal management for heat-assisted magnetic recording
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US9824711B1 (en) 2014-02-14 2017-11-21 WD Media, LLC Soft underlayer for heat assisted magnetic recording media
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010102821A (ja) * 2008-09-26 2010-05-06 Fujifilm Corp インプリント用モールド構造体、並びに磁気記録媒体及びその製造方法
WO2010109538A1 (ja) * 2009-03-27 2010-09-30 東芝ストレージデバイス株式会社 磁気ディスク、磁気ディスクの製造方法及び磁気ディスク装置

Also Published As

Publication number Publication date
US20070070541A1 (en) 2007-03-29
DE102004010336A1 (de) 2004-09-16
US20070070549A1 (en) 2007-03-29
US7733605B2 (en) 2010-06-08
US8064156B1 (en) 2011-11-22

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