JP4644356B2 - 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 - Google Patents

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 Download PDF

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Publication number
JP4644356B2
JP4644356B2 JP2000349312A JP2000349312A JP4644356B2 JP 4644356 B2 JP4644356 B2 JP 4644356B2 JP 2000349312 A JP2000349312 A JP 2000349312A JP 2000349312 A JP2000349312 A JP 2000349312A JP 4644356 B2 JP4644356 B2 JP 4644356B2
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Japan
Prior art keywords
magnetic recording
perpendicular magnetic
recording apparatus
signal
area
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JP2000349312A
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Japanese (ja)
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JP2002150729A (ja
JP2002150729A5 (enExample
Inventor
靖孝 西田
雄彦 濱口
秀樹 澤口
公史 高野
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株式会社日立グローバルストレージテクノロジーズ
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Priority to JP2000349312A priority Critical patent/JP4644356B2/ja
Priority to US09/924,762 priority patent/US7075743B2/en
Priority to EP01119609A priority patent/EP1205911A3/en
Priority to KR1020010052865A priority patent/KR100867789B1/ko
Publication of JP2002150729A publication Critical patent/JP2002150729A/ja
Priority to US11/377,367 priority patent/US7436611B2/en
Publication of JP2002150729A5 publication Critical patent/JP2002150729A5/ja
Priority to US12/230,989 priority patent/US7839590B2/en
Application granted granted Critical
Publication of JP4644356B2 publication Critical patent/JP4644356B2/ja
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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)
JP2000349312A 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 Expired - Fee Related JP4644356B2 (ja)

Priority Applications (6)

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
US09/924,762 US7075743B2 (en) 2000-11-10 2001-08-09 Method of servo writing for magnetic recording system, magnetic recording system
EP01119609A EP1205911A3 (en) 2000-11-10 2001-08-17 The method of servo writing for magnetic recording system, magnetic recording system
KR1020010052865A KR100867789B1 (ko) 2000-11-10 2001-08-30 수직 자기 기록 장치
US11/377,367 US7436611B2 (en) 2000-11-10 2006-03-17 Method of servo writing for magnetic recording system, magnetic recording system
US12/230,989 US7839590B2 (en) 2000-11-10 2008-09-09 Method of servo writing for magnetic recording system, magnetic recording system

Applications Claiming Priority (1)

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

Related Child Applications (1)

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JP2006066898A Division JP4340665B2 (ja) 2006-03-13 2006-03-13 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

Publications (3)

Publication Number Publication Date
JP2002150729A JP2002150729A (ja) 2002-05-24
JP2002150729A5 JP2002150729A5 (enExample) 2006-06-08
JP4644356B2 true JP4644356B2 (ja) 2011-03-02

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JP2000349312A Expired - Fee Related 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

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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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
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
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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
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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
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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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Also Published As

Publication number Publication date
KR20020036673A (ko) 2002-05-16
KR100867789B1 (ko) 2008-11-10
US20020057509A1 (en) 2002-05-16
US20090021854A1 (en) 2009-01-22
US7075743B2 (en) 2006-07-11
EP1205911A3 (en) 2006-11-22
US7839590B2 (en) 2010-11-23
US20060171052A1 (en) 2006-08-03
EP1205911A2 (en) 2002-05-15
JP2002150729A (ja) 2002-05-24
US7436611B2 (en) 2008-10-14

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