KR100867789B1 - 수직 자기 기록 장치 - Google Patents

수직 자기 기록 장치 Download PDF

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Publication number
KR100867789B1
KR100867789B1 KR1020010052865A KR20010052865A KR100867789B1 KR 100867789 B1 KR100867789 B1 KR 100867789B1 KR 1020010052865 A KR1020010052865 A KR 1020010052865A KR 20010052865 A KR20010052865 A KR 20010052865A KR 100867789 B1 KR100867789 B1 KR 100867789B1
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KR
South Korea
Prior art keywords
signal
servo
burst
recorded
delete delete
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Expired - Fee Related
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KR1020010052865A
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English (en)
Korean (ko)
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KR20020036673A (ko
Inventor
야스따까 니시다
다께히꼬 하마구찌
히데끼 사와구찌
히사시 다까노
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가부시키가이샤 히타치세이사쿠쇼
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Publication of KR20020036673A publication Critical patent/KR20020036673A/ko
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Publication of KR100867789B1 publication Critical patent/KR100867789B1/ko
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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
    • G11B5/48—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
    • 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
    • G11B5/59655—Sector, sample or burst servo format
    • 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
    • G11B5/59688—Servo signal format patterns or signal processing thereof, e.g. dual, tri, quad, burst signal patterns

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Digital Magnetic Recording (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
KR1020010052865A 2000-11-10 2001-08-30 수직 자기 기록 장치 Expired - Fee Related KR100867789B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000349312A JP4644356B2 (ja) 2000-11-10 2000-11-10 磁気ディスク装置及び、磁気記録再生装置のサーボライト方式
JPJP-P-2000-00349312 2000-11-10

Publications (2)

Publication Number Publication Date
KR20020036673A KR20020036673A (ko) 2002-05-16
KR100867789B1 true KR100867789B1 (ko) 2008-11-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020010052865A Expired - Fee Related KR100867789B1 (ko) 2000-11-10 2001-08-30 수직 자기 기록 장치

Country Status (4)

Country Link
US (3) US7075743B2 (enExample)
EP (1) EP1205911A3 (enExample)
JP (1) JP4644356B2 (enExample)
KR (1) KR100867789B1 (enExample)

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JP4644356B2 (ja) * 2000-11-10 2011-03-02 株式会社日立グローバルストレージテクノロジーズ 磁気ディスク装置及び、磁気記録再生装置のサーボライト方式
JP2005004917A (ja) * 2003-06-13 2005-01-06 Hitachi Ltd 垂直磁気記録媒体及び磁気ディスク装置
JP2005276292A (ja) * 2004-03-24 2005-10-06 Fuji Photo Film Co Ltd 磁気転写用マスター担体および磁気転写方法並びに磁気記録媒体
JP4358067B2 (ja) * 2004-08-06 2009-11-04 株式会社東芝 磁気記録媒体および磁気記録装置
CN100367364C (zh) * 2004-09-01 2008-02-06 Tdk股份有限公司 信息记录媒体、记录再生装置及磁盘原模
CN100367363C (zh) * 2004-09-01 2008-02-06 Tdk股份有限公司 信息记录媒体、记录再生装置及磁盘原模
US7342734B1 (en) * 2004-09-02 2008-03-11 Maxtor Corporation Disk drives with radially aligned servo burst patterns that generate orthogonal contributions to a read signal and related demodulators and methods
JP4077437B2 (ja) 2004-09-16 2008-04-16 Ｔｄｋ株式会社 情報記録媒体および記録再生装置
US7068461B1 (en) 2004-11-29 2006-06-27 Western Digital Technologies, Inc. Servo writing a disk drive by overwriting a harmonic frequency fill pattern in the servo burst area
KR100594308B1 (ko) * 2004-12-27 2006-06-30 삼성전자주식회사 자기 디스크의 서보 패턴 기록 방법 및 이를 이용한디스크 드라이브와 자기 디스크
JP4291784B2 (ja) * 2005-01-12 2009-07-08 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 サーボ情報記録方法、磁気記録媒体及び磁気ディスク装置
KR100660885B1 (ko) * 2005-11-07 2006-12-26 삼성전자주식회사 하드디스크 드라이브의 버스트 기록 방법 및 이에 적합한장치
JP2007242152A (ja) * 2006-03-09 2007-09-20 Fujitsu Ltd 磁気記録媒体、磁気記録装置及びサーボ復調回路
JP2007293930A (ja) * 2006-04-20 2007-11-08 Hitachi Global Storage Technologies Netherlands Bv 記録面にサーボ・パターンを書き込む方法及びデータ記憶装置
JP4589894B2 (ja) * 2006-05-31 2010-12-01 東芝ストレージデバイス株式会社 磁気ディスク装置および磁気ディスク装置製造方法
US20080316635A1 (en) * 2007-06-20 2008-12-25 Samsung Electronics Co., Ltd. Deriving servo PES from DC erased bursts in perpendicular recording
US7688538B1 (en) 2007-11-16 2010-03-30 Western Digital Technologies, Inc. Disk drive comprising a disk surface having track addresses of varying width
US7986488B2 (en) * 2008-12-04 2011-07-26 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with alternating single-polarity position error signal (PES) blocks for read/write head positioning
US7982993B1 (en) * 2008-12-19 2011-07-19 Western Digital Technologies, Inc. Disk drive employing different servo TPI to data TPI ratios across the disk surface
US8031423B1 (en) 2009-06-26 2011-10-04 Western Digital Technologies, Inc. Disk drive generating actual data TPI profile by combining segments of predetermined data TPI profiles

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JPH0963217A (ja) * 1995-08-23 1997-03-07 Toshiba Corp 磁気ディスクのサーボ情報記録方法
JPH11224473A (ja) * 1998-02-04 1999-08-17 Hitachi Ltd 位置信号記録方法及びそれを用いた磁気記録装置
US5966264A (en) * 1997-08-07 1999-10-12 International Business Machines Cororation Two frequency servo PES pattern

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JPS63140469A (ja) * 1986-12-03 1988-06-13 Fuji Electric Co Ltd デイスク記憶装置の基準トラツク検出方式
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US6262859B1 (en) * 1998-08-11 2001-07-17 Samsung Electronics Company Method and apparatus for providing servo information on a disk in a hard drive assembly
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Publication number Priority date Publication date Assignee Title
JPH0963217A (ja) * 1995-08-23 1997-03-07 Toshiba Corp 磁気ディスクのサーボ情報記録方法
US5966264A (en) * 1997-08-07 1999-10-12 International Business Machines Cororation Two frequency servo PES pattern
JPH11224473A (ja) * 1998-02-04 1999-08-17 Hitachi Ltd 位置信号記録方法及びそれを用いた磁気記録装置

Also Published As

Publication number Publication date
US20020057509A1 (en) 2002-05-16
EP1205911A2 (en) 2002-05-15
JP2002150729A (ja) 2002-05-24
US20060171052A1 (en) 2006-08-03
US7436611B2 (en) 2008-10-14
US20090021854A1 (en) 2009-01-22
JP4644356B2 (ja) 2011-03-02
US7839590B2 (en) 2010-11-23
EP1205911A3 (en) 2006-11-22
US7075743B2 (en) 2006-07-11
KR20020036673A (ko) 2002-05-16

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