SG109006A1 - Method and apparatus for head positioning control in perpendicular magnetic recording of disk drive - Google Patents

Method and apparatus for head positioning control in perpendicular magnetic recording of disk drive

Info

Publication number
SG109006A1
SG109006A1 SG200404391A SG200404391A SG109006A1 SG 109006 A1 SG109006 A1 SG 109006A1 SG 200404391 A SG200404391 A SG 200404391A SG 200404391 A SG200404391 A SG 200404391A SG 109006 A1 SG109006 A1 SG 109006A1
Authority
SG
Singapore
Prior art keywords
disk drive
magnetic recording
perpendicular magnetic
positioning control
head positioning
Prior art date
Application number
SG200404391A
Other languages
English (en)
Inventor
Osafune Koji
Shimomura Kazuhito
Yano 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 SG109006A1 publication Critical patent/SG109006A1/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
    • 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
    • G11B5/5552—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means
    • G11B5/5556—Track change, selection or acquisition by displacement of the head across disk tracks using fine positioning means for track acquisition separate from the coarse (e.g. track changing) positioning means with track following after a "seek"
SG200404391A 2003-07-31 2004-07-15 Method and apparatus for head positioning control in perpendicular magnetic recording of disk drive SG109006A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003204402A JP2005050416A (ja) 2003-07-31 2003-07-31 ディスク記憶装置及びヘッド位置決め制御方法

Publications (1)

Publication Number Publication Date
SG109006A1 true SG109006A1 (en) 2005-02-28

Family

ID=34100661

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200404391A SG109006A1 (en) 2003-07-31 2004-07-15 Method and apparatus for head positioning control in perpendicular magnetic recording of disk drive

Country Status (4)

Country Link
US (1) US7019936B2 (zh)
JP (1) JP2005050416A (zh)
CN (1) CN1282161C (zh)
SG (1) SG109006A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080088962A1 (en) * 2006-10-17 2008-04-17 Samsung Electronics Co., Ltd. Detection of HDI in disk drives using read back signal
US7760455B2 (en) * 2007-04-19 2010-07-20 Samsung Electronics Co., Ltd. Method and apparatus improving prevention of off-track writing in a hard disk drive
JP5523120B2 (ja) * 2010-01-14 2014-06-18 三菱電機株式会社 誤り訂正符号化方法、誤り訂正復号方法、誤り訂正符号化装置、および、誤り訂正復号装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991004557A1 (en) * 1989-09-13 1991-04-04 Fujitsu Limited Method and apparatus for seek control of disk apparatus
JPH0729321A (ja) 1993-07-13 1995-01-31 Toshiba Corp ヘッド位置決め制御機構及び方法
EP0830674A1 (en) 1995-06-06 1998-03-25 Maxtor Corporation Mr head differential micro-jog
KR100223633B1 (ko) 1996-12-31 1999-10-15 윤종용 하드 디스크 드라이브에서 헤드속도 측정을 이용한 안정 기록방법
JP3257461B2 (ja) 1997-08-20 2002-02-18 日本電気株式会社 磁気記録装置及びそのヘッド調整方法並びにその制御プログラムを記録した記録媒体
JP3836651B2 (ja) 1999-12-24 2006-10-25 株式会社東芝 ディスク記憶装置
JP2002093083A (ja) 2000-09-12 2002-03-29 Toshiba Corp 磁気ディスク装置及びサーボ制御方法

Also Published As

Publication number Publication date
CN1581301A (zh) 2005-02-16
JP2005050416A (ja) 2005-02-24
US20050024762A1 (en) 2005-02-03
US7019936B2 (en) 2006-03-28
CN1282161C (zh) 2006-10-25

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