JPH11288568A - サ―ボ帯域を形成するための方法及び線形デ―タ記憶テ―プ - Google Patents

サ―ボ帯域を形成するための方法及び線形デ―タ記憶テ―プ

Info

Publication number
JPH11288568A
JPH11288568A JP11036077A JP3607799A JPH11288568A JP H11288568 A JPH11288568 A JP H11288568A JP 11036077 A JP11036077 A JP 11036077A JP 3607799 A JP3607799 A JP 3607799A JP H11288568 A JPH11288568 A JP H11288568A
Authority
JP
Japan
Prior art keywords
servo
stripe
tape
read
servo band
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP11036077A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11288568A5 (enExample
Inventor
Donald J Fasen
ドナルド・ジェイ・フェイゼン
George M Clifford Jr
ジョージ・エム・クリフォード，ジュニア
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH11288568A publication Critical patent/JPH11288568A/ja
Publication of JPH11288568A5 publication Critical patent/JPH11288568A5/ja
Withdrawn legal-status Critical Current

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
    • G11B5/584—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 tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1816—Testing
    • G11B20/182—Testing using test patterns
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1879—Direct read-after-write methods
    • 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
    • G11B5/488—Disposition of heads
    • G11B5/4893—Disposition of heads relative to moving tape
    • 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
    • G11B5/5504—Track change, selection or acquisition by displacement of the head across tape tracks
    • G11B5/5508—Control circuits therefor

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
JP11036077A 1998-03-04 1999-02-15 サ―ボ帯域を形成するための方法及び線形デ―タ記憶テ―プ Withdrawn JPH11288568A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/034,971 US6031673A (en) 1998-03-04 1998-03-04 Servo band verification in linear tape systems having timing-based servo formats
US034,971 1998-03-04

Publications (2)

Publication Number Publication Date
JPH11288568A true JPH11288568A (ja) 1999-10-19
JPH11288568A5 JPH11288568A5 (enExample) 2006-01-12

Family

ID=21879812

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11036077A Withdrawn JPH11288568A (ja) 1998-03-04 1999-02-15 サ―ボ帯域を形成するための方法及び線形デ―タ記憶テ―プ

Country Status (2)

Country Link
US (1) US6031673A (enExample)
JP (1) JPH11288568A (enExample)

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US6172837B1 (en) * 1998-03-23 2001-01-09 Hewlett-Packard Company Postponable servo code selection
US6269533B2 (en) * 1999-02-23 2001-08-07 Advanced Research Corporation Method of making a patterned magnetic recording head
US7773340B2 (en) * 1999-02-23 2010-08-10 Advanced Research Corporation Patterned magnetic recording head having a gap pattern with substantially elliptical or substantially diamond-shaped termination pattern
US6557141B1 (en) * 1999-12-01 2003-04-29 Storage Technology Corporation Magnetic media certification
US6496328B1 (en) 1999-12-30 2002-12-17 Advanced Research Corporation Low inductance, ferrite sub-gap substrate structure for surface film magnetic recording heads
US6580581B1 (en) * 2000-08-16 2003-06-17 International Business Machines Corporation Recovery of lateral position of a servo system with respect to longitudinal servo bands of a magnetic tape
US6661600B1 (en) 2000-11-02 2003-12-09 International Business Machines Corporation Calibration of servo index positions of a magnetic tape employing second order curve fitting
US6865050B2 (en) * 2001-06-07 2005-03-08 Fuji Photo Film Co., Ltd. Servo signal recording device and servo signal verifying device using edge detection
US6738210B1 (en) * 2001-07-16 2004-05-18 Imation Corp. Amplitude detection for full band servo verification
US6744594B2 (en) * 2001-12-28 2004-06-01 Storage Technology Corporation Servo write head with gaps for writing high and low frequency transitions
US6912104B2 (en) * 2002-04-30 2005-06-28 Storage Technology Corporation Timing based servo pattern incorporating band encoding
JP2004145949A (ja) * 2002-10-23 2004-05-20 Fuji Photo Film Co Ltd サーボ信号検査装置
JP2004227704A (ja) * 2003-01-24 2004-08-12 Sony Corp ヘッド装置、記録再生装置及び磁気記録方法
JP4157412B2 (ja) * 2003-04-15 2008-10-01 富士フイルム株式会社 磁気テープおよびその製造方法、サーボライタ、ならびにサーボバンドの識別方法および装置
US7106544B2 (en) * 2003-05-09 2006-09-12 Advanced Research Corporation Servo systems, servo heads, servo patterns for data storage especially for reading, writing, and recording in magnetic recording tape
US7239465B1 (en) * 2003-06-30 2007-07-03 Storage Technology Corporation Multiple section head assembly for dual azimuth recording
US6937413B2 (en) * 2003-08-08 2005-08-30 International Business Machines Corporation Tape servo information with superimposed data information providing servo band identification
US7002763B2 (en) * 2003-08-08 2006-02-21 International Business Machines Corporation Identification of laterally positioned servo bands employing differentiating characteristics of servo patterns
JP4046284B2 (ja) * 2003-09-11 2008-02-13 富士フイルム株式会社 磁気テープおよびその製造方法、ならびにサーボライタおよびサーボ信号の書込み方法
US8144424B2 (en) * 2003-12-19 2012-03-27 Dugas Matthew P Timing-based servo verify head and magnetic media made therewith
US7283317B2 (en) * 2004-01-30 2007-10-16 Advanced Research Corporation Apparatuses and methods for pre-erasing during manufacture of magnetic tape
US20100321824A1 (en) * 2004-02-18 2010-12-23 Dugas Matthew P Magnetic recording head having secondary sub-gaps
US7450341B2 (en) * 2004-05-04 2008-11-11 Advanced Research Corporation Intergrated thin film subgap subpole structure for arbitrary gap pattern magnetic recording heads and method of making the same
US7016143B2 (en) * 2004-07-07 2006-03-21 International Business Machines Corporation Utilization of tape head electronic lapping guides (ELG's) as servo format verifiers
US7573664B2 (en) * 2004-12-03 2009-08-11 International Business Machines Corporation Integrated multiple channel data reliability testing for a magnetic tape drive
JP4287827B2 (ja) * 2005-02-18 2009-07-01 富士フイルム株式会社 サーボトラック検査装置及びサーボライタ
US7403350B2 (en) * 2006-09-26 2008-07-22 International Business Machines Corporation Multiple servo sensor configuration for magnetic tape timing based servo
US7333291B1 (en) 2006-09-28 2008-02-19 Hewlett-Packard Development Company, L.P. System and method for reducing tracking noise in a tape drive
US7411759B2 (en) * 2006-10-31 2008-08-12 Sun Microsystems, Inc. Detection and measurement of position error signal linearity in timing based servo patterns using differential nonlinearity
US7746596B2 (en) * 2007-01-03 2010-06-29 Oracle America, Inc. Linear tape drive module for a linear tape drive system
US20080186610A1 (en) * 2007-02-02 2008-08-07 Nhan Xuan Bui Apparatus, system, and method for an "m" servo pattern
WO2009094516A1 (en) * 2008-01-23 2009-07-30 Advanced Research Corporation Recording heads with embedded tape guides and magnetic media made by such recording heads
WO2009096949A1 (en) * 2008-01-30 2009-08-06 Hewlett-Packard Development Company, L.P. Servo write head gap width correction
US7920356B2 (en) * 2008-02-01 2011-04-05 International Business Machines Corporation Method and system for providing a longitudinally shifted servo pattern for increased sampling rate
US7529061B2 (en) * 2008-02-01 2009-05-05 International Business Machines Corporation Tape drive for maintaining lateral position utilizing longitudinally shifted servo pattern with increased sampling rate
US7903368B2 (en) * 2008-02-01 2011-03-08 International Business Machines Corporation Tape cartridge having tape media with longitudinally shifted servo pattern for increased sampling rate
US7724466B2 (en) * 2008-02-25 2010-05-25 International Business Machines Corporation Method and system for servo stripe width detection and compensation
US8068300B2 (en) * 2008-03-28 2011-11-29 Advanced Research Corporation Thin film planar arbitrary gap pattern magnetic head
WO2011014836A2 (en) * 2009-07-31 2011-02-03 Advanced Research Corporation Erase drive systems and methods of erasure for tape data cartridge
US8004789B2 (en) * 2009-12-03 2011-08-23 International Business Machines Corporation Detection and acquisition of a servo pattern subject to lateral motion
JP5658512B2 (ja) * 2010-08-31 2015-01-28 富士フイルム株式会社 サーボ信号が書き込まれた磁気テープの製造方法およびサーボライタ
US20150049401A1 (en) * 2010-12-09 2015-02-19 Matthew P. Dugas Perpendicular timing-based servo heads
GB2503483A (en) 2012-06-28 2014-01-01 Ibm Magnetic tape servo patterns and servo write head
US9378764B2 (en) 2013-03-13 2016-06-28 Oracle International Corporation Method and device for verifying a servo pattern in tape media
GB2518677A (en) * 2013-09-30 2015-04-01 Ibm Tape storage medium
US9640209B1 (en) 2016-09-20 2017-05-02 International Business Machines Corporation Generating defect signals in time based servo tape storage systems
US12027185B2 (en) * 2021-12-24 2024-07-02 Fujifilm Corporation Detection device, inspection device, magnetic tape cartridge, magnetic tape, magnetic tape drive, magnetic tape system, detection method, inspection method, and program
JP7767140B2 (ja) * 2021-12-24 2025-11-11 富士フイルム株式会社 検出装置、検査装置、磁気テープカートリッジ、磁気テープ、磁気テープドライブ、磁気テープシステム、検出方法、検査方法、及びプログラム

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US5523904A (en) * 1992-06-24 1996-06-04 Quantum Corporation Linear tape write servo using embedded azimuth servo blocks
US5689384A (en) * 1994-06-30 1997-11-18 International Business Machines Corporation Timing based servo system for magnetic tape systems
TW331005B (en) * 1995-11-10 1998-05-01 Philips Electronics Nv System, apparatus and method for recording /reproducing information in/form a magnetic medium

Also Published As

Publication number Publication date
US6031673A (en) 2000-02-29

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