SG100694A1 - Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement - Google Patents

Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement

Info

Publication number
SG100694A1
SG100694A1 SG200102774A SG200102774A SG100694A1 SG 100694 A1 SG100694 A1 SG 100694A1 SG 200102774 A SG200102774 A SG 200102774A SG 200102774 A SG200102774 A SG 200102774A SG 100694 A1 SG100694 A1 SG 100694A1
Authority
SG
Singapore
Prior art keywords
crashstop
compliant
tracks
creating
self
Prior art date
Application number
SG200102774A
Other languages
English (en)
Inventor
Joseph Chainer Timothy
Delorman Schultz Mark
John Yarmchuk Edward
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of SG100694A1 publication Critical patent/SG100694A1/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
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
SG200102774A 2000-05-31 2001-05-10 Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement SG100694A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/584,302 US6603627B1 (en) 2000-05-31 2000-05-31 Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement

Publications (1)

Publication Number Publication Date
SG100694A1 true SG100694A1 (en) 2003-12-26

Family

ID=24336758

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200102774A SG100694A1 (en) 2000-05-31 2001-05-10 Creating an initial set of tracks in a self-servowriting system using a compliant crashstop to control head movement

Country Status (6)

Country Link
US (1) US6603627B1 (ko)
JP (1) JP3705752B2 (ko)
KR (1) KR100452002B1 (ko)
CN (1) CN100367392C (ko)
MY (1) MY126141A (ko)
SG (1) SG100694A1 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG96277A1 (en) * 2001-03-23 2003-05-23 Toshiba Kk Magnetic disk drive apparatus having a self-servo writing system and method for writing servo pattern therein
JP2004146002A (ja) 2002-10-25 2004-05-20 Hitachi Global Storage Technologies Netherlands Bv ディスクドライブ装置、およびアクチュエータ
JP4015538B2 (ja) * 2002-11-28 2007-11-28 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 ハードディスク装置、ハードディスク装置の最適化方法、製造方法、およびプログラム
JP2004185682A (ja) * 2002-11-29 2004-07-02 Hitachi Global Storage Technologies Netherlands Bv サーボ情報の書き込み方法、サーボ制御方法、データ記憶装置、プログラム
WO2004075176A1 (en) * 2003-02-14 2004-09-02 Bill Richard Baker Compound phase encoding for printed servo patterns
WO2004091290A1 (en) * 2003-04-16 2004-10-28 Chang-Min Seo Bathing apparatus for pet animal
US7164552B2 (en) * 2003-09-29 2007-01-16 Hitachi Global Storage Technologies Netherlands B.V. Method for self-servo writing a disk drive with dual-stage actuator
US7242546B2 (en) * 2003-10-13 2007-07-10 Seagate Technology Llc Determining a location based on a cyclic bit sequence containing consecutively-placed identical bit-groups
US7397623B2 (en) * 2003-10-14 2008-07-08 Seagate Technology Llc Using a mechanical stop for determining an operating parameter of a data handling device
JP2006085780A (ja) * 2004-09-14 2006-03-30 Hitachi Global Storage Technologies Netherlands Bv 記録ディスクにパターンを書き込む方法及びデータ記憶装置
KR100585164B1 (ko) * 2004-11-30 2006-06-01 삼성전자주식회사 레퍼런스 서보 트랙 카피 시스템에서의 트랙 제로 위치보정 방법 및 이를 이용한 디스크 드라이브
US7633706B2 (en) * 2005-09-30 2009-12-15 Seagate Technology Llc Servowriter contact torque control
US7304818B2 (en) * 2005-10-07 2007-12-04 Seagate Technology Llc Preconditioning an elastomeric stop member for use as a reference position
US7471482B2 (en) * 2006-02-20 2008-12-30 Marvell World Trade Ltd. Method for improved insitu spiral writing
JP2012160228A (ja) * 2011-01-31 2012-08-23 Toshiba Corp 初期クロックパターン書き込み方法及び磁気ディスク装置
JP2016177854A (ja) * 2015-03-20 2016-10-06 株式会社東芝 サーボライト制御装置、方法および磁気ディスク装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875064A (en) * 1996-07-09 1999-02-23 International Business Machines Corporation Method and system for accurate self-servowriting with normalization in a disk drive
US6005738A (en) * 1996-05-29 1999-12-21 International Business Machines Corp. Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04307478A (ja) * 1991-04-03 1992-10-29 Nec Corp 記録ディスク装置
US6040955A (en) * 1992-06-11 2000-03-21 International Business Machines Corporation Self servo writing file
JPH06139731A (ja) * 1992-10-27 1994-05-20 Fujitsu Ltd ディスク装置のヘッド位置補正方法
US5485323A (en) * 1993-07-14 1996-01-16 International Business Machines Corporation Method and apparatus for moving a disk drive actuator away from a magnetic latch
SG70001A1 (en) * 1994-12-02 2000-01-25 Ibm Radial self-propagation pattern generation for disk file servowriting
US5612833A (en) 1994-12-02 1997-03-18 International Business Machines Corporation Radial self-propagation pattern generation for disk file servowriting
US5771130A (en) * 1996-04-15 1998-06-23 Phase Metrics Method and apparatus for non-contact servo writing
KR100403044B1 (ko) * 1996-05-28 2004-01-31 삼성전자주식회사 하드디스크드라이브의액츄에이터언래칭방법
US5926336A (en) * 1996-09-13 1999-07-20 Samsung Electronics Co., Ltd. Method and apparatus for rewriting servo information on a disk in a hard disk assembly
US6392831B1 (en) * 1998-04-16 2002-05-21 Seagate Technology Llc Identification of defective servo information elements in a disc drive system
US6191911B1 (en) * 1998-06-12 2001-02-20 The Hong Kong University Of Science And Technology Positioning apparatus for hard disk servowriter
US6344942B1 (en) * 1998-07-16 2002-02-05 International Business Machines Corporation Method and apparatus for absolute track spacing determination for self-servowriting
US6480361B1 (en) * 1999-05-07 2002-11-12 Seagate Technologies Llc Movable load ramps and crash stop for a disc drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6005738A (en) * 1996-05-29 1999-12-21 International Business Machines Corp. Methods and systems for self-servo-writing including writing positioning and timing bursts at different track pitches
US6031680A (en) * 1996-05-29 2000-02-29 International Business Machines Corporation Methods and systems for self-servowriting including maintaining a reference level within a usable dynamic range
US5875064A (en) * 1996-07-09 1999-02-23 International Business Machines Corporation Method and system for accurate self-servowriting with normalization in a disk drive

Also Published As

Publication number Publication date
KR20010109099A (ko) 2001-12-08
CN1327235A (zh) 2001-12-19
JP3705752B2 (ja) 2005-10-12
JP2002008331A (ja) 2002-01-11
US6603627B1 (en) 2003-08-05
CN100367392C (zh) 2008-02-06
MY126141A (en) 2006-09-29
KR100452002B1 (ko) 2004-10-08

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