ATE172571T1 - System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk - Google Patents

System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk

Info

Publication number
ATE172571T1
ATE172571T1 AT95920835T AT95920835T ATE172571T1 AT E172571 T1 ATE172571 T1 AT E172571T1 AT 95920835 T AT95920835 T AT 95920835T AT 95920835 T AT95920835 T AT 95920835T AT E172571 T1 ATE172571 T1 AT E172571T1
Authority
AT
Austria
Prior art keywords
servo
disk drive
gratings
write
data recording
Prior art date
Application number
AT95920835T
Other languages
English (en)
Inventor
John Stewart Best
Wen-Wei Chiang
Steven Robert Hetzler
Donald Edward Horne
Chih-Kung Lee
Vincent Marrello
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
Application granted granted Critical
Publication of ATE172571T1 publication Critical patent/ATE172571T1/de

Links

Classifications

    • 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
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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
    • G11B5/5526—Control therefor; circuits, track configurations or relative disposition of servo-information transducers and servo-information tracks for control thereof
    • G11B5/553—Details
    • G11B5/5534—Initialisation, calibration, e.g. cylinder "set-up"

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
AT95920835T 1994-05-27 1995-05-18 System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk ATE172571T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25019794A 1994-05-27 1994-05-27

Publications (1)

Publication Number Publication Date
ATE172571T1 true ATE172571T1 (de) 1998-11-15

Family

ID=22946700

Family Applications (1)

Application Number Title Priority Date Filing Date
AT95920835T ATE172571T1 (de) 1994-05-27 1995-05-18 System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk

Country Status (13)

Country Link
US (1) US5909333A (de)
EP (1) EP0761002B1 (de)
JP (2) JPH07326142A (de)
KR (1) KR100207879B1 (de)
CN (1) CN1096071C (de)
AT (1) ATE172571T1 (de)
BR (1) BR9502512A (de)
CA (1) CA2144403A1 (de)
DE (1) DE69505524T2 (de)
MY (1) MY113053A (de)
RU (1) RU2141691C1 (de)
TW (1) TW256914B (de)
WO (1) WO1995033262A1 (de)

Families Citing this family (54)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6356401B1 (en) * 1997-07-22 2002-03-12 Seagate Technology Llc Method and apparatus for forming accurate optical clock patterns
US6414807B2 (en) * 1997-07-22 2002-07-02 Seagate Technology Llc Method and apparatus for optically sensing accurate clock patterns
JP3466926B2 (ja) * 1998-07-03 2003-11-17 富士通株式会社 サーボトラック書き込み方法とサーボトラック書き込み装置
JP2000149472A (ja) * 1998-11-07 2000-05-30 Mitsubishi Electric Corp 磁気ディスク装置及びその製造方法
JP2000163898A (ja) * 1998-11-30 2000-06-16 Fujitsu Ltd サーボ情報書き込み装置
JP2000268518A (ja) * 1999-03-17 2000-09-29 Fujitsu Ltd 位置決め装置
JP4273560B2 (ja) * 1999-03-23 2009-06-03 パナソニック株式会社 モータの制御装置
GB2369485B (en) * 1999-09-20 2003-10-22 Westwind Air Bearings Ltd Manufacture of data storage devices
US6419403B1 (en) 2000-01-04 2002-07-16 International Business Machines Corporation System and method for optically coupling component service interfaces
US6707632B1 (en) 2000-02-08 2004-03-16 Seagate Technology Llc Disc drive with self-contained servo data writing capability
SG99889A1 (en) * 2000-02-25 2003-11-27 Sony Corp Recording medium, recording apparatus and reading apparatus
US6865041B1 (en) 2000-02-29 2005-03-08 Hitachi Global Storage Technologies Netherlands B.V. Method and apparatus for servowriting using a unipolar write current
US6798610B1 (en) * 2000-04-24 2004-09-28 Maxtor Corporation Disk drive with self servo writing capability
JP2001311606A (ja) * 2000-04-28 2001-11-09 Canon Inc 位置ずれ検出装置及び該装置を用いた磁気記録装置
JP2002063778A (ja) * 2000-08-18 2002-02-28 Sony Corp ディスクカートリッジおよびその製造方法ならびに記録再生システム
US7541201B2 (en) 2000-08-30 2009-06-02 Kla-Tencor Technologies Corporation Apparatus and methods for determining overlay of structures having rotational or mirror symmetry
US7317531B2 (en) * 2002-12-05 2008-01-08 Kla-Tencor Technologies Corporation Apparatus and methods for detecting overlay errors using scatterometry
US6785075B2 (en) 2000-10-24 2004-08-31 Seagate Technology Llc Self-writing servo and clock fields on a recording medium
US6791784B2 (en) * 2001-03-23 2004-09-14 Imation Corp. Diffraction-based monitoring of a patterned magnetic recording medium
US20030002043A1 (en) * 2001-04-10 2003-01-02 Kla-Tencor Corporation Periodic patterns and technique to control misalignment
US7016135B2 (en) * 2001-07-03 2006-03-21 International Business Machines Corporation Apparatus and method for automated interconnection and disconnection of disk drive carrier in a system
US6957351B2 (en) * 2001-07-03 2005-10-18 International Business Machines Corporation Automated disk drive library with removable media powered via contactless coupling
US6839366B1 (en) * 2001-08-29 2005-01-04 Cisco Technology, Inc. Laser frequency control using dithered control signal
US6919561B2 (en) * 2001-11-27 2005-07-19 Chih-Kung Lee Diffraction laser encoder apparatus
US6977791B2 (en) * 2002-03-23 2005-12-20 Kla-Tencor Technologies Corporation Media servowriting system
US7567403B2 (en) * 2002-04-18 2009-07-28 Seagate Technology Llc Bi-directional servo track writing to minimize sidewall writing at high skew angles
AU2002341930A1 (en) * 2002-04-18 2003-11-03 Seagate Technology Llc Bi-directional servo track writing to minimize sidewall writing at high skew angles
US20050027489A1 (en) * 2002-08-14 2005-02-03 Yale University Phase extraction between coupled atom interferometers using ellipse-specific fitting
US6873488B2 (en) * 2002-10-24 2005-03-29 Seagate Technology Llc Enhanced MR offset with dynamic tuning range
US7440105B2 (en) * 2002-12-05 2008-10-21 Kla-Tencor Technologies Corporation Continuously varying offset mark and methods of determining overlay
US7027252B2 (en) * 2004-03-31 2006-04-11 Hitachi Global Storage Technologies Netherlands B.V. Servo track writer calibration
US7397621B2 (en) * 2004-06-14 2008-07-08 Kla-Tencor Technologies Corporation Servo pattern characterization on magnetic disks
ITMI20041881A1 (it) * 2004-10-05 2005-01-05 Electronic Systems Spa Dispositivo per la taratura e la verifica della taratura di un apparato d'ispezione superficiale per materiali in film apparato di ispezione superficiale che include tale dispositivo e procedimento di verifica della taratura di un apparato d'ispezion
US7646557B2 (en) 2005-07-05 2010-01-12 Xyratex Technology Limited Methods and apparatus for generating a clock signal, for writing servo tracks, and for characterising timing errors in a servo track writer
WO2007081399A2 (en) * 2005-07-13 2007-07-19 Montana State University System and method for processing control system signals
US8264942B2 (en) * 2005-10-26 2012-09-11 Hewlett-Packard Development Company, L.P. Optical disc embossed features
US7495857B1 (en) * 2005-12-30 2009-02-24 Western Digital Technologies, Inc. Servo writing a disk drive by writing spiral tracks using a mechanical position sensor
US7619844B1 (en) * 2005-12-30 2009-11-17 Western Digital Technologies, Inc. Disk drive comprising a mechanical position sensor to prevent a runaway condition
US7480116B1 (en) 2006-01-20 2009-01-20 Western Digital Technologies, Inc. Disk drive employing coarse position feedback from mechanical position sensor to improve format efficiency
US7864088B2 (en) * 2006-01-27 2011-01-04 Montage Technology Group Ltd. Integrated DSP for a DC offset cancellation loop
US7330325B2 (en) * 2006-06-13 2008-02-12 Sun Microsystems, Inc. Proactive fault monitoring of disk drives through phase-sensitive surveillance
US7675703B2 (en) * 2007-06-08 2010-03-09 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk drive with patterned media and system for clocking write data
JP2009002828A (ja) * 2007-06-22 2009-01-08 International Manufacturing & Engineering Services Co Ltd アクチュエータの位置検出装置
KR20090114068A (ko) * 2008-04-29 2009-11-03 삼성전자주식회사 하드 디스크 드라이브와 이를 위한 서보 트랙 기록 장치
CN102741923B (zh) * 2008-08-25 2015-03-11 松下电器产业株式会社 光学头、带衍射光栅的光学元件、光盘装置及信息处理装置
JP5735483B2 (ja) * 2009-03-31 2015-06-17 コーニンクレッカ フィリップス エヌ ヴェ 信号を復調するためのシステム
KR20100135048A (ko) 2009-06-16 2010-12-24 삼성전자주식회사 경사 보상이 가능한 인코더, 이를 이용한 하드 디스크 드라이브 및 하드 디스크 드라이브를 위한 서보 트랙 기록 장치
JP2011238311A (ja) 2010-05-10 2011-11-24 Hitachi Consumer Electronics Co Ltd 光情報再生装置、光情報記録装置および光情報記録再生装置
JP6702666B2 (ja) * 2015-07-28 2020-06-03 株式会社ミツトヨ 変位検出装置
US10451412B2 (en) 2016-04-22 2019-10-22 Kla-Tencor Corporation Apparatus and methods for detecting overlay errors using scatterometry
US11137270B2 (en) * 2018-11-14 2021-10-05 11093606 Canado Ltd. Spatial modulation device
CN114981632B (zh) * 2020-01-10 2025-09-05 应用材料公司 用于确定多图案的线角度及旋转的方法
JP2023043586A (ja) * 2021-09-16 2023-03-29 株式会社東芝 磁気ディスク装置及びライトデータの生成方法
CN115150000B (zh) * 2022-07-27 2023-07-28 成都天奥电子股份有限公司 基于相位共轭混频的自由空间微波频率传递系统及方法

Family Cites Families (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3597750A (en) * 1969-01-21 1971-08-03 Information Storage Systems Servo with agc for positioning a magnetic head
US4920434A (en) * 1980-09-24 1990-04-24 Quantum Corporation Fixed disk drive
US4455583A (en) * 1982-06-23 1984-06-19 Sperry Corporation Compensation for dimensional changes in a record medium
US4516177A (en) * 1982-09-27 1985-05-07 Quantum Corporation Rotating rigid disk data storage device
US4590527A (en) * 1983-11-14 1986-05-20 Burroughs Corporation Positioning servomechanisms
US4613916A (en) * 1983-12-30 1986-09-23 International Business Machines Corporation Information storage disk transducer position control system requiring no servo pattern on the storage disk
JPS6166926A (ja) * 1984-09-10 1986-04-05 Canon Inc ロ−タリ−エンコ−ダ−
JPS6166927A (ja) * 1984-09-10 1986-04-05 Canon Inc ロ−タリ−エンコ−ダ−
JPH07117426B2 (ja) * 1985-03-18 1995-12-18 キヤノン株式会社 光学式エンコーダー
JPH0621801B2 (ja) * 1985-07-03 1994-03-23 キヤノン株式会社 ロ−タリ−エンコ−ダ−
JPS6212814A (ja) * 1985-07-10 1987-01-21 Canon Inc ロ−タリ−エンコ−ダ−
JPS62163919A (ja) * 1986-01-14 1987-07-20 Canon Inc ロ−タリ−エンコ−ダ−
JPS62163920A (ja) * 1986-01-14 1987-07-20 Canon Inc ロ−タリ−エンコ−ダ−
DE3700906C2 (de) * 1986-01-14 1995-09-28 Canon Kk Verschlüßler
JPH07119623B2 (ja) * 1986-01-14 1995-12-20 キヤノン株式会社 変位測定装置
JPS62200222A (ja) * 1986-02-27 1987-09-03 Canon Inc ロ−タリ−エンコ−ダ−
JPH07119626B2 (ja) * 1986-02-27 1995-12-20 キヤノン株式会社 ロータリーエンコーダー
JPS62200224A (ja) * 1986-02-27 1987-09-03 Canon Inc 変位測定装置
JPS62201313A (ja) * 1986-02-28 1987-09-05 Canon Inc ロ−タリ−エンコ−ダ−
DE3706277C2 (de) * 1986-02-28 1995-04-27 Canon Kk Drehungsmeßgeber
US4870635A (en) * 1986-09-19 1989-09-26 International Business Machines Corporation Precision measurement and positioning system for disk storage system
JPH0159967U (de) * 1987-10-07 1989-04-14
US4931792A (en) * 1988-05-09 1990-06-05 Sperry Marine Inc. Shaft angle encoder interface
JP2547826B2 (ja) * 1988-10-19 1996-10-23 キヤノン株式会社 マルチモード半導体レーザを使用する干渉計測装置
WO1990004846A1 (de) * 1988-10-25 1990-05-03 Siemens Aktiengesellschaft Abtasteinheit für einen magnetplattenspeicher
KR0144463B1 (ko) * 1988-10-26 1998-07-15 오오가 노리오 자기 디스크 장치
JP2785195B2 (ja) * 1989-01-11 1998-08-13 ソニー株式会社 ディスク装置の光学式エンコーダ
US5121371A (en) * 1990-06-18 1992-06-09 Bernoulli Optical Systems Company Optical servo system for magnetic disk
US5227930A (en) * 1990-07-20 1993-07-13 Quantum Corporation Head position recalibration for disk drive
US5268801A (en) * 1990-10-12 1993-12-07 Servo Track Writer Corporation Method and apparatus for effecting data transfer with high precision reference data on a rotatable storage media
JP2990851B2 (ja) * 1991-05-29 1999-12-13 ソニー・プレシジョン・テクノロジー株式会社 ハードディスクドライブ
US5325349A (en) * 1991-05-29 1994-06-28 Sony Magnescale Inc. Hard disc drive and a servo signal writing apparatus
JPH04351767A (ja) * 1991-05-29 1992-12-07 Sony Magnescale Inc サーボ信号書込装置
DE69127086T2 (de) * 1991-12-12 1998-02-12 Ibm Servosignalenaufzeichnungsmethode für Magnetplatteneinheit, und Magnetplatteneinheit
US5227625A (en) * 1992-09-16 1993-07-13 International Business Machines Corporation Retro-reflective variable-pitch diffraction grating for use in a rotary actuator disk file
US5315372A (en) * 1993-01-04 1994-05-24 Excel Precision, Inc. Non-contact servo track writing apparatus having read/head arm and reference arm
US5442172A (en) * 1994-05-27 1995-08-15 International Business Machines Corporation Wavefront reconstruction optics for use in a disk drive position measurement system

Also Published As

Publication number Publication date
DE69505524D1 (de) 1998-11-26
CA2144403A1 (en) 1995-11-28
KR100207879B1 (ko) 1999-07-15
EP0761002B1 (de) 1998-10-21
EP0761002A1 (de) 1997-03-12
CN1126874A (zh) 1996-07-17
DE69505524T2 (de) 1999-06-02
JPH07326142A (ja) 1995-12-12
CN1096071C (zh) 2002-12-11
TW256914B (en) 1995-09-11
BR9502512A (pt) 1996-04-09
MY113053A (en) 2001-11-30
US5909333A (en) 1999-06-01
WO1995033262A1 (en) 1995-12-07
JP2001043643A (ja) 2001-02-16
RU2141691C1 (ru) 1999-11-20

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