JP2006209952A - 磁気ディスクおよびディスクドライブ - Google Patents

磁気ディスクおよびディスクドライブ Download PDF

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Publication number
JP2006209952A
JP2006209952A JP2006017938A JP2006017938A JP2006209952A JP 2006209952 A JP2006209952 A JP 2006209952A JP 2006017938 A JP2006017938 A JP 2006017938A JP 2006017938 A JP2006017938 A JP 2006017938A JP 2006209952 A JP2006209952 A JP 2006209952A
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JP
Japan
Prior art keywords
servo
sector
signal
disk
land
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
JP2006017938A
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English (en)
Japanese (ja)
Other versions
JP2006209952A5 (enExample
Inventor
David Wachenschwanz
デービッド・ワヘンシュワンツ
David Treves
デービッド・トレーブ
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
Application filed by Komag Inc filed Critical Komag Inc
Publication of JP2006209952A publication Critical patent/JP2006209952A/ja
Publication of JP2006209952A5 publication Critical patent/JP2006209952A5/ja
Pending legal-status Critical Current

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    • 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
    • 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
    • G11B5/48—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
    • G11B5/596—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 disks
    • G11B5/59633—Servo formatting
    • 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
    • G11B5/48—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
    • G11B5/60—Fluid-dynamic spacing of heads from record-carriers
    • G11B5/6005—Specially adapted for spacing from a rotating disc using a fluid cushion
    • G11B5/6011—Control of flying height

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP2006017938A 2005-01-28 2006-01-26 磁気ディスクおよびディスクドライブ Pending JP2006209952A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/046,195 US7161753B2 (en) 2005-01-28 2005-01-28 Modulation of sidewalls of servo sectors of a magnetic disk and the resultant disk

Publications (2)

Publication Number Publication Date
JP2006209952A true JP2006209952A (ja) 2006-08-10
JP2006209952A5 JP2006209952A5 (enExample) 2009-03-12

Family

ID=36756257

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006017938A Pending JP2006209952A (ja) 2005-01-28 2006-01-26 磁気ディスクおよびディスクドライブ

Country Status (4)

Country Link
US (1) US7161753B2 (enExample)
JP (1) JP2006209952A (enExample)
MY (1) MY148800A (enExample)
SG (1) SG124410A1 (enExample)

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WO2009084282A1 (en) * 2007-12-27 2009-07-09 Kabushiki Kaisha Toshiba Head, head suspension assembly, and disk drive device provided with the same
US8263190B2 (en) 2007-06-19 2012-09-11 Showa Denko K.K. Method of producing magnetic recording medium, and magnetic recording and reading device
US8284520B2 (en) 2008-03-05 2012-10-09 Showa Denko K.K. Magnetic recording medium, method for producing magnetic recording medium, and magnetic recording/reproducing apparatus
US8303828B2 (en) 2008-12-01 2012-11-06 Showa Denko K.K. Method for manufacturing magnetic recording medium and magnetic recording-reproducing apparatus
US8315018B2 (en) 2008-02-28 2012-11-20 Showa Denko K.K. Magnetic recording medium, method of manufacturing magnetic recording medium, and magnetic recording/reproducing apparatus
US8336193B2 (en) 2007-07-30 2012-12-25 Showa Denko K.K. Process for making magnetic recording medium and magnetic recording-reproducing apparatus
US8355223B2 (en) 2008-09-12 2013-01-15 Showa Denko K.K. Magnetic recording medium, method of manufacturing magnetic recording medium, and magnetic recording/reproducing apparatus
US8414967B2 (en) 2008-01-11 2013-04-09 Showa Denko K.K. Process for producing magnetic recording medium and magnetic recording and reproducing apparatus
US8486486B2 (en) 2010-10-22 2013-07-16 Showa Denko K.K. Method of manufacturing magnetic recording medium and magnetic recording and reproducing device
US8802188B2 (en) 2008-05-15 2014-08-12 Showa Denko K.K. Method for manufacturing magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
US8859033B2 (en) 2009-10-20 2014-10-14 Showa Denko K.K. Method for producing magnetic recording medium and magnetic recording replaying device

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KR100738101B1 (ko) * 2006-01-26 2007-07-12 삼성전자주식회사 패턴드 미디어 및 그 제조방법
JP2008277586A (ja) * 2007-04-27 2008-11-13 Toshiba Corp 磁気素子、磁気記録ヘッド及び磁気記録装置
KR20080108016A (ko) * 2007-06-07 2008-12-11 가부시끼가이샤 도시바 자기 기록 헤드 및 자기 기록 장치
JP4358279B2 (ja) 2007-08-22 2009-11-04 株式会社東芝 磁気記録ヘッド及び磁気記録装置
US8994587B2 (en) 2010-05-14 2015-03-31 Qualcomm Incorporated Compressed sensing for navigation data
JP2009070439A (ja) * 2007-09-11 2009-04-02 Toshiba Corp 磁気記録ヘッド及び磁気記録装置
JP4843825B2 (ja) * 2007-09-21 2011-12-21 昭和電工株式会社 磁気記録媒体の製造方法及び磁気記録再生装置
JP2009080878A (ja) * 2007-09-25 2009-04-16 Toshiba Corp 磁気記録ヘッドおよび磁気記録装置
JP4929108B2 (ja) * 2007-09-25 2012-05-09 株式会社東芝 磁気ヘッドおよび磁気記録装置
JP2009080875A (ja) 2007-09-25 2009-04-16 Toshiba Corp 磁気ヘッド及び磁気記録装置
US7986493B2 (en) * 2007-11-28 2011-07-26 Seagate Technology Llc Discrete track magnetic media with domain wall pinning sites
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JP5398163B2 (ja) * 2008-04-04 2014-01-29 昭和電工株式会社 磁気記録媒体及びその製造方法、並びに磁気記録再生装置
JP2009277275A (ja) * 2008-05-13 2009-11-26 Showa Denko Kk 磁気記録媒体の製造方法および製造装置
JP5377893B2 (ja) * 2008-06-19 2013-12-25 株式会社東芝 磁気ヘッドアセンブリおよび磁気記録再生装置
JP5361259B2 (ja) 2008-06-19 2013-12-04 株式会社東芝 スピントルク発振子、磁気記録ヘッド、磁気ヘッドアセンブリ及び磁気記録装置
JP2010020841A (ja) * 2008-07-10 2010-01-28 Showa Denko Kk インライン式成膜装置及び磁気記録媒体の製造方法
JP2010020844A (ja) * 2008-07-10 2010-01-28 Showa Denko Kk 磁気記録媒体の製造方法、磁気記録再生装置、及び磁気記録媒体
JP2010040060A (ja) * 2008-07-31 2010-02-18 Toshiba Corp 高周波アシスト記録用磁気ヘッドおよびそれを用いた磁気記録装置
JP2010040126A (ja) 2008-08-06 2010-02-18 Toshiba Corp 磁気記録ヘッド、磁気ヘッドアセンブリ及び磁気記録装置
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JP2010113771A (ja) * 2008-11-07 2010-05-20 Showa Denko Kk 磁気記録媒体の製造方法及び製造装置
JP5558698B2 (ja) 2008-11-28 2014-07-23 株式会社東芝 磁気記録ヘッド、磁気ヘッドアセンブリ、磁気記録装置及び磁気記録方法
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US8802188B2 (en) 2008-05-15 2014-08-12 Showa Denko K.K. Method for manufacturing magnetic recording medium, magnetic recording medium, and magnetic recording and reproducing apparatus
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