SG121859A1 - Adaptive track count determination for a self-servowritten disk drive - Google Patents

Adaptive track count determination for a self-servowritten disk drive

Info

Publication number
SG121859A1
SG121859A1 SG200400113A SG200400113A SG121859A1 SG 121859 A1 SG121859 A1 SG 121859A1 SG 200400113 A SG200400113 A SG 200400113A SG 200400113 A SG200400113 A SG 200400113A SG 121859 A1 SG121859 A1 SG 121859A1
Authority
SG
Singapore
Prior art keywords
servowritten
self
disk drive
count determination
track count
Prior art date
Application number
SG200400113A
Other languages
English (en)
Inventor
Daniel James Malone Sr
Original Assignee
Hitachi Global Storage Tech
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 Hitachi Global Storage Tech filed Critical Hitachi Global Storage Tech
Publication of SG121859A1 publication Critical patent/SG121859A1/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
    • G11B5/59633—Servo formatting
SG200400113A 2003-01-31 2004-01-13 Adaptive track count determination for a self-servowritten disk drive SG121859A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/355,474 US7023633B2 (en) 2003-01-31 2003-01-31 Adaptive track count determination for a self-servowritten disk drive

Publications (1)

Publication Number Publication Date
SG121859A1 true SG121859A1 (en) 2006-05-26

Family

ID=32770543

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200400113A SG121859A1 (en) 2003-01-31 2004-01-13 Adaptive track count determination for a self-servowritten disk drive

Country Status (4)

Country Link
US (1) US7023633B2 (zh)
JP (1) JP2004234823A (zh)
CN (1) CN100354933C (zh)
SG (1) SG121859A1 (zh)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100455391B1 (ko) * 2002-07-18 2004-11-06 삼성전자주식회사 버스트 패턴을 이용하여 자기헤드의 자기기록폭을측정하는 방법 및 그 장치
US7471482B2 (en) * 2006-02-20 2008-12-30 Marvell World Trade Ltd. Method for improved insitu spiral writing
US7567397B2 (en) * 2006-09-11 2009-07-28 Hitachi Global Storage Technologies Netherlands B.V. Adjacent Track Interference (ATI) identification methodology
CN100424751C (zh) * 2006-12-08 2008-10-08 华中科技大学 一种磁盘伺服信息刻写方法
US7405897B2 (en) * 2006-12-15 2008-07-29 Hitachi Global Storage Technologies Netherlands Single-pass self-servowriting method and system employing a low sector rate startup procedure
US8031429B2 (en) 2007-03-30 2011-10-04 Kabushiki Kaisha Toshiba Multi-directional self servo-writing for a disk drive
JP2009009624A (ja) * 2007-06-26 2009-01-15 Hitachi Global Storage Technologies Netherlands Bv サーボパターン形成方法および磁気ディスク装置
JP2009211758A (ja) * 2008-03-04 2009-09-17 Hitachi Global Storage Technologies Netherlands Bv ヘッドスタックアセンブリ及びその製造方法並びにマルチディスク磁気記憶装置
JP2010140537A (ja) * 2008-12-10 2010-06-24 Hitachi Global Storage Technologies Netherlands Bv ハードディスクドライブの製造方法及び製造システム
JP5473125B2 (ja) * 2009-12-09 2014-04-16 エイチジーエスティーネザーランドビーブイ 磁気ヘッドの製造方法と磁気記録装置の製造方法
US8687313B2 (en) * 2011-06-23 2014-04-01 Western Digital Technologies, Inc. Disk drive mapping out data tracks to avoid thermal asperities
US8625223B2 (en) 2011-08-03 2014-01-07 Kabushiki Kaisha Toshiba Multi-directional self servo-writing for a disk drive
US9854594B2 (en) 2014-03-31 2017-12-26 International Business Machines Corporation Wireless cross-connect switch
US8953277B1 (en) 2014-06-16 2015-02-10 Western Digital Technologies, Inc. Data storage device writing tracks on a disk with equal spacing
US9607633B1 (en) * 2016-04-06 2017-03-28 Seagate Technology Llc Shingled magnetic recording interband track pitch tuning
JP2021180061A (ja) * 2020-05-14 2021-11-18 株式会社東芝 磁気ディスク装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2810267B2 (ja) 1991-12-26 1998-10-15 株式会社日立製作所 情報記録再生装置
US6040955A (en) 1992-06-11 2000-03-21 International Business Machines Corporation Self servo writing file
US5537264A (en) 1994-11-04 1996-07-16 Micropolis Corporation Method for optimally selecting media transfer rates for different data heads based on individual data head performance
US6091559A (en) * 1994-12-19 2000-07-18 Mobile Storage Technology Inc. Variable zone layout and track pitch parameter considerations for information storage disk drive
US5596458A (en) 1994-12-19 1997-01-21 Integral Peripherals, Inc. Variable zone layout for information storage disk drive
US6310740B1 (en) 1999-06-29 2001-10-30 Western Digital Technologies, Inc Disk drive including N-current preamplifier for generating N-independently controlled write currents
US6317285B1 (en) 1999-10-28 2001-11-13 Seagate Technology Llc Method for calibrating MR head geometry in selfservo writing disc drives
US6751042B2 (en) * 2000-08-23 2004-06-15 Seagate Technology Llc Track pitch correction method and apparatus
US6779249B2 (en) * 2001-03-23 2004-08-24 International Business Machines Corporation Method and device for determining in-process characteristics of fabricated magnetic heads

Also Published As

Publication number Publication date
US20040150903A1 (en) 2004-08-05
JP2004234823A (ja) 2004-08-19
CN1571016A (zh) 2005-01-26
CN100354933C (zh) 2007-12-12
US7023633B2 (en) 2006-04-04

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