WO2009025007A1 - 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法 - Google Patents

磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法 Download PDF

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Publication number
WO2009025007A1
WO2009025007A1 PCT/JP2007/000888 JP2007000888W WO2009025007A1 WO 2009025007 A1 WO2009025007 A1 WO 2009025007A1 JP 2007000888 W JP2007000888 W JP 2007000888W WO 2009025007 A1 WO2009025007 A1 WO 2009025007A1
Authority
WO
WIPO (PCT)
Prior art keywords
head
magnetic disk
disk device
correction method
offset correction
Prior art date
Application number
PCT/JP2007/000888
Other languages
English (en)
French (fr)
Inventor
Michinaga Yamagishi
Original Assignee
Fujitsu Limited
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 Fujitsu Limited filed Critical Fujitsu Limited
Priority to JP2009528882A priority Critical patent/JPWO2009025007A1/ja
Priority to PCT/JP2007/000888 priority patent/WO2009025007A1/ja
Publication of WO2009025007A1 publication Critical patent/WO2009025007A1/ja
Priority to US12/709,351 priority patent/US20100149683A1/en

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
    • 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
    • G11B5/59627—Aligning for runout, eccentricity or offset compensation
    • 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

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)

Abstract

　本発明の磁気ディスク装置は、記録層のあるデータトラックと、記録層のないグルーブとが円板の半径方向に交互に配置されたパターンド媒体を用いている。そして、ライトヘッドの頭が傾く側のヘッドエッジ部分を、そのライトヘッドの頭が傾く側のグルーブに収める、または、略収めるようにライトヘッドのヘッドセンター位置を補正する補正部を備える。
PCT/JP2007/000888 2007-08-20 2007-08-20 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法 WO2009025007A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2009528882A JPWO2009025007A1 (ja) 2007-08-20 2007-08-20 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法
PCT/JP2007/000888 WO2009025007A1 (ja) 2007-08-20 2007-08-20 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法
US12/709,351 US20100149683A1 (en) 2007-08-20 2010-02-19 Magnetic disk drive and write offset correction method therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/000888 WO2009025007A1 (ja) 2007-08-20 2007-08-20 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/709,351 Continuation US20100149683A1 (en) 2007-08-20 2010-02-19 Magnetic disk drive and write offset correction method therein

Publications (1)

Publication Number Publication Date
WO2009025007A1 true WO2009025007A1 (ja) 2009-02-26

Family

ID=40377918

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/000888 WO2009025007A1 (ja) 2007-08-20 2007-08-20 磁気ディスク装置、および、磁気ディスク装置におけるライトオフセット補正方法

Country Status (3)

Country Link
US (1) US20100149683A1 (ja)
JP (1) JPWO2009025007A1 (ja)
WO (1) WO2009025007A1 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004164756A (ja) * 2002-11-13 2004-06-10 Sony Corp 磁気ヘッド装置、磁気テープ装置、信号記録方法
JP2004227735A (ja) * 2003-01-27 2004-08-12 Fujitsu Ltd サーボトラック書き込み方法および磁気ディスク装置
JP2006018902A (ja) * 2004-06-30 2006-01-19 Toshiba Corp ディスクリートトラック媒体を有する垂直磁気記録装置
JP2006099852A (ja) * 2004-09-29 2006-04-13 Tdk Corp 磁気記録再生装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004164756A (ja) * 2002-11-13 2004-06-10 Sony Corp 磁気ヘッド装置、磁気テープ装置、信号記録方法
JP2004227735A (ja) * 2003-01-27 2004-08-12 Fujitsu Ltd サーボトラック書き込み方法および磁気ディスク装置
JP2006018902A (ja) * 2004-06-30 2006-01-19 Toshiba Corp ディスクリートトラック媒体を有する垂直磁気記録装置
JP2006099852A (ja) * 2004-09-29 2006-04-13 Tdk Corp 磁気記録再生装置

Also Published As

Publication number Publication date
US20100149683A1 (en) 2010-06-17
JPWO2009025007A1 (ja) 2010-11-18

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