SG112003A1 - Apparatus and method for positioning head at target position on disk - Google Patents

Apparatus and method for positioning head at target position on disk

Info

Publication number
SG112003A1
SG112003A1 SG200307530A SG200307530A SG112003A1 SG 112003 A1 SG112003 A1 SG 112003A1 SG 200307530 A SG200307530 A SG 200307530A SG 200307530 A SG200307530 A SG 200307530A SG 112003 A1 SG112003 A1 SG 112003A1
Authority
SG
Singapore
Prior art keywords
disk
target position
positioning head
positioning
head
Prior art date
Application number
SG200307530A
Other languages
English (en)
Inventor
Kusumoto Tatsuharu
Yaegashi Koji
Original Assignee
Toshiba Kk
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 Toshiba Kk filed Critical Toshiba Kk
Publication of SG112003A1 publication Critical patent/SG112003A1/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
    • G11B5/54—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 into or out of its operative position or across tracks
    • G11B5/55—Track change, selection or acquisition by displacement of the head
    • G11B5/5521—Track change, selection or acquisition by displacement of the head across disk tracks
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
SG200307530A 2002-12-27 2003-12-11 Apparatus and method for positioning head at target position on disk SG112003A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002380276A JP3708077B2 (ja) 2002-12-27 2002-12-27 ディスク記憶装置及び同装置におけるヘッド位置決め方法

Publications (1)

Publication Number Publication Date
SG112003A1 true SG112003A1 (en) 2005-06-29

Family

ID=32708428

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200307530A SG112003A1 (en) 2002-12-27 2003-12-11 Apparatus and method for positioning head at target position on disk

Country Status (4)

Country Link
US (1) US7019939B2 (ja)
JP (1) JP3708077B2 (ja)
CN (1) CN100349226C (ja)
SG (1) SG112003A1 (ja)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007048335A (ja) * 2005-08-05 2007-02-22 Hitachi Global Storage Technologies Netherlands Bv ディスク装置
JP2007164890A (ja) * 2005-12-13 2007-06-28 Fujitsu Ltd 磁気記憶装置及び磁気ヘッド位置補正方法
JP4719047B2 (ja) * 2006-03-24 2011-07-06 ヒタチグローバルストレージテクノロジーズネザーランドビーブイ 情報記録装置
JP2009015890A (ja) * 2007-06-29 2009-01-22 Toshiba Corp ディスク記憶装置及びヘッド位置決め制御方法
JP2009070496A (ja) * 2007-09-13 2009-04-02 Hitachi Global Storage Technologies Netherlands Bv ディスク・ドライブ装置、その製造方法及びディスク・ドライブ装置のデータ・トラック・ピッチを決定する方法
US7688539B1 (en) 2008-05-14 2010-03-30 Western Digital Technologies, Inc. Disk drive self servo writing spiral tracks by propagating bursts
US7602575B1 (en) 2008-05-14 2009-10-13 Western Digital Technologies, Inc. Disk drive adjusting estimated reader/writer offset to achieve target burst crossing signal amplitude when propagating servo sectors
US8000053B1 (en) 2008-12-23 2011-08-16 Western Digital Technologies, Inc. Write jog value determination for a disk drive
US8305705B1 (en) 2010-05-05 2012-11-06 Western Digital Technologies, Inc. Disk drive cross correlating track crossing signal with ideal signal to calibrate jog value
US8619381B2 (en) 2011-05-25 2013-12-31 WD Media, LLC System and method for improving head positioning
US9424870B2 (en) 2014-12-11 2016-08-23 Seagate Technology Llc Position error signal compensation to prevent adjacent track erasure
CN110632855B (zh) * 2019-10-23 2022-08-02 珠海格力智能装备有限公司 轨道调节方法及系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387018A2 (en) * 1989-03-09 1990-09-12 Fujitsu Limited Track access control method and apparatus for optical disk apparatus
EP0457536A1 (en) * 1990-05-15 1991-11-21 Kabushiki Kaisha Toshiba Optical recording medium and optical recording apparatus
EP0542558A2 (en) * 1991-11-14 1993-05-19 Canon Kabushiki Kaisha Optical information recording/reproducing apparatus
US5825580A (en) * 1996-02-29 1998-10-20 Kabushiki Kaisha Toshiba Data recording/reproducing device and burst position conversion coefficient setting method in the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0147228B1 (ko) * 1994-10-27 1998-10-15 김광호 자기 디스크 구동장치에서 오프-트랙을 이용한 트랙 추종 방법
JP4018771B2 (ja) 1997-03-17 2007-12-05 富士通株式会社 磁気ディスク、磁気記録再生方法及び磁気ディスク装置
US6052250A (en) * 1997-08-25 2000-04-18 Western Digital Corporation Disk drive with separately determined servo and data track pitch
US6256160B1 (en) * 1998-08-13 2001-07-03 Maxtor Corporation Programmable, variable data track pitch
WO2000049606A2 (en) * 1999-02-22 2000-08-24 Seagate Technology, Inc. Optimal reader/writer offsets and write fault thresholds in a disc drive
US6765737B1 (en) * 1999-04-21 2004-07-20 Seagate Technology Llc Variable track densities on a recording medium to compensate for non-repeatable runout (NRRO) error
US6724562B1 (en) * 1999-06-30 2004-04-20 Seagate Technology Llc Segmented constant angle trackpitch
JP3836651B2 (ja) * 1999-12-24 2006-10-25 株式会社東芝 ディスク記憶装置
US6765744B2 (en) * 2001-03-30 2004-07-20 Kevin Arthur Gomez Track pitch control using head offset measurement for self-servowriting tracks in a disc drive

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0387018A2 (en) * 1989-03-09 1990-09-12 Fujitsu Limited Track access control method and apparatus for optical disk apparatus
EP0457536A1 (en) * 1990-05-15 1991-11-21 Kabushiki Kaisha Toshiba Optical recording medium and optical recording apparatus
EP0542558A2 (en) * 1991-11-14 1993-05-19 Canon Kabushiki Kaisha Optical information recording/reproducing apparatus
US5825580A (en) * 1996-02-29 1998-10-20 Kabushiki Kaisha Toshiba Data recording/reproducing device and burst position conversion coefficient setting method in the same

Also Published As

Publication number Publication date
US20040136109A1 (en) 2004-07-15
CN100349226C (zh) 2007-11-14
US7019939B2 (en) 2006-03-28
JP2004213736A (ja) 2004-07-29
CN1519847A (zh) 2004-08-11
JP3708077B2 (ja) 2005-10-19

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