WO2009136374A3 - Head design for writing servo patterns on magnetic tape - Google Patents
Head design for writing servo patterns on magnetic tape Download PDFInfo
- Publication number
- WO2009136374A3 WO2009136374A3 PCT/IB2009/051882 IB2009051882W WO2009136374A3 WO 2009136374 A3 WO2009136374 A3 WO 2009136374A3 IB 2009051882 W IB2009051882 W IB 2009051882W WO 2009136374 A3 WO2009136374 A3 WO 2009136374A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- servo
- servo patterns
- magnetic tape
- head design
- writing servo
- Prior art date
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
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09742547A EP2286407A2 (en) | 2008-05-09 | 2009-05-07 | Head design for writing servo patterns on magnetic tape |
JP2011508043A JP5607609B2 (en) | 2008-05-09 | 2009-05-07 | Servo control system |
CN2009801167447A CN102016986B (en) | 2008-05-09 | 2009-05-07 | Head design for writing servo patterns on magnetic tape |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/118,251 | 2008-05-09 | ||
US12/118,251 US7864487B2 (en) | 2008-05-09 | 2008-05-09 | Head design for writing servo patterns on magnetic tape |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2009136374A2 WO2009136374A2 (en) | 2009-11-12 |
WO2009136374A3 true WO2009136374A3 (en) | 2009-12-30 |
Family
ID=41162698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2009/051882 WO2009136374A2 (en) | 2008-05-09 | 2009-05-07 | Head design for writing servo patterns on magnetic tape |
Country Status (6)
Country | Link |
---|---|
US (1) | US7864487B2 (en) |
EP (1) | EP2286407A2 (en) |
JP (1) | JP5607609B2 (en) |
KR (1) | KR101341770B1 (en) |
CN (1) | CN102016986B (en) |
WO (1) | WO2009136374A2 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8446684B2 (en) | 2010-01-21 | 2013-05-21 | International Business Machines Corporation | Magnetic tape servo format allowing for increased linear tape density and systems thereof |
US8760795B2 (en) * | 2010-04-30 | 2014-06-24 | International Business Machines Corporation | Linear recording tape with a reduced servo band width, and system and method for using the same |
US8422162B2 (en) * | 2010-07-16 | 2013-04-16 | International Business Machines Corporation | Determining a reference waveform used by a correlator in a servo channel |
US8804276B2 (en) | 2011-06-13 | 2014-08-12 | Imation Corp. | Continuous biasing and servowriting of magnetic storage media having perpendicular anisotropy |
US8817415B2 (en) | 2011-06-13 | 2014-08-26 | Imation Corp. | Erasure of magnetic storage media having perpendicular anisotropy |
US8767342B2 (en) | 2011-06-13 | 2014-07-01 | Imation Corp. | Erasure and servowriting of magnetic storage media having perpendicular anistropy |
US8797674B2 (en) | 2011-06-13 | 2014-08-05 | Imation Corp. | Servo mark length matched to write head gap for magnetic storage media |
US8576510B2 (en) | 2011-10-06 | 2013-11-05 | International Business Machines Corporation | Robust metric computation of longitudinal position (LPOS) data symbol detection |
WO2013151612A1 (en) | 2012-04-04 | 2013-10-10 | Imation Corp. | Perpendicular pole head for servo writing magnetic media |
US8797681B2 (en) * | 2012-04-26 | 2014-08-05 | Imation Corp. | Servo write head having plural spaced front blocks coupled by magnetic posts to a back bar |
US8643968B2 (en) | 2012-04-26 | 2014-02-04 | Imation Corp. | Methods and systems for magnetic media servo writing |
US8867167B2 (en) | 2012-04-26 | 2014-10-21 | Imation Corp. | Tapered pole heads for magnetic media |
US8760802B2 (en) | 2012-04-26 | 2014-06-24 | Imation Corp. | Systems and methods for processing magnetic media with first and second magnetic gaps adjacent opposite sides of the recording layer |
WO2020090124A1 (en) * | 2018-10-29 | 2020-05-07 | ソニー株式会社 | Servo pattern recording method, servo pattern recording device, method for manufacturing tape-like magnetic recording medium, and tape-like magnetic recording medium |
JP7444115B2 (en) | 2021-03-11 | 2024-03-06 | ソニーグループ株式会社 | Servo pattern recording method, servo pattern recording device, manufacturing method of tape-shaped magnetic recording medium, tape-shaped magnetic recording medium, and servo write head |
US11894027B2 (en) * | 2021-09-29 | 2024-02-06 | Fujifilm Corporation | Servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, detection device, servo pattern recording method, and manufacturing method of magnetic tape |
WO2023053567A1 (en) * | 2021-09-29 | 2023-04-06 | 富士フイルム株式会社 | Magnetic tape, magnetic tape cartridge, servo pattern recording device, magnetic tape drive, magnetic tape system, detection device, inspection device, servo pattern recording method, manufacturing method for magnetic tape, detection method, and inspection method |
US11908498B2 (en) | 2021-09-29 | 2024-02-20 | Fujifilm Corporation | Servo pattern recording device, magnetic tape, magnetic tape cartridge, magnetic tape drive, magnetic tape system, detection device, servo pattern recording method, and manufacturing method of magnetic tape |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940812A2 (en) * | 1998-03-04 | 1999-09-08 | Hewlett-Packard Company | Absolute longitudinal position encoding in linear tape systems |
EP1204096A2 (en) * | 2000-10-17 | 2002-05-08 | Hewlett-Packard Company | Alignment of tape head |
US20030151844A1 (en) * | 2002-02-13 | 2003-08-14 | International Business Machines Corporation | Timing based servo with fixed distances between transitions |
US20050030661A1 (en) * | 2003-08-08 | 2005-02-10 | International Business Machines Corporation | Identification of laterally positioned servo bands employing differentiating characteristics of servo patterns |
EP1600967A2 (en) * | 2004-05-24 | 2005-11-30 | Quantum Corporation | Servo track having periodic frames of tone field and embedded synchronization marks |
US20060066976A1 (en) * | 2004-09-27 | 2006-03-30 | Fuji Photo Film Co., Ltd. | Apparatus for transporting a magnetic tape |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5689384A (en) | 1994-06-30 | 1997-11-18 | International Business Machines Corporation | Timing based servo system for magnetic tape systems |
US5930065A (en) | 1997-05-16 | 1999-07-27 | International Business Machines Corporation | Timing based servo longitudinal addressing |
US6169640B1 (en) * | 1998-03-04 | 2001-01-02 | Hewlett-Packard Co. | Servo band identification in linear tape systems having timing based servo formats |
US6141174A (en) | 1998-08-14 | 2000-10-31 | Quantum Corporation | Method of reading recorded information from a magnetic tape that compensates for track pitch changes |
US6542325B1 (en) | 1999-03-10 | 2003-04-01 | Imation Corp. | Time-based servo for magnetic storage media |
US6542235B1 (en) | 2000-04-28 | 2003-04-01 | Lakeshore Vision & Robotics, L.L.C. | System and method of three-dimensional inspection of circular parts |
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 |
US6781778B1 (en) * | 2001-07-16 | 2004-08-24 | Imation Corp. | Time-based sectored servo data format |
US7206170B2 (en) * | 2004-05-19 | 2007-04-17 | Imetion Corp. | Thin film servo head apparatus with canted servo gaps |
JP4072964B2 (en) * | 2004-08-06 | 2008-04-09 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Linear data storage tape, separate servo band writing method, servo pattern writer, magnetic tape cartridge, servo tape, to identify transversely arranged servo bands that use servo pattern differentiation characteristics Reader and magnetic tape drive |
US20090040643A1 (en) * | 2007-07-19 | 2009-02-12 | Quantum Corporation | Method and apparatus for writing timing based servo tracks on magnetic tape using complementary servo writer pairs |
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 |
-
2008
- 2008-05-09 US US12/118,251 patent/US7864487B2/en not_active Expired - Fee Related
-
2009
- 2009-05-07 CN CN2009801167447A patent/CN102016986B/en not_active Expired - Fee Related
- 2009-05-07 WO PCT/IB2009/051882 patent/WO2009136374A2/en active Application Filing
- 2009-05-07 JP JP2011508043A patent/JP5607609B2/en not_active Expired - Fee Related
- 2009-05-07 KR KR1020107024834A patent/KR101341770B1/en not_active IP Right Cessation
- 2009-05-07 EP EP09742547A patent/EP2286407A2/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0940812A2 (en) * | 1998-03-04 | 1999-09-08 | Hewlett-Packard Company | Absolute longitudinal position encoding in linear tape systems |
EP1204096A2 (en) * | 2000-10-17 | 2002-05-08 | Hewlett-Packard Company | Alignment of tape head |
US20030151844A1 (en) * | 2002-02-13 | 2003-08-14 | International Business Machines Corporation | Timing based servo with fixed distances between transitions |
US20050030661A1 (en) * | 2003-08-08 | 2005-02-10 | International Business Machines Corporation | Identification of laterally positioned servo bands employing differentiating characteristics of servo patterns |
EP1600967A2 (en) * | 2004-05-24 | 2005-11-30 | Quantum Corporation | Servo track having periodic frames of tone field and embedded synchronization marks |
US20060066976A1 (en) * | 2004-09-27 | 2006-03-30 | Fuji Photo Film Co., Ltd. | Apparatus for transporting a magnetic tape |
Also Published As
Publication number | Publication date |
---|---|
EP2286407A2 (en) | 2011-02-23 |
JP5607609B2 (en) | 2014-10-15 |
KR101341770B1 (en) | 2013-12-16 |
CN102016986B (en) | 2013-07-24 |
US7864487B2 (en) | 2011-01-04 |
US20090279202A1 (en) | 2009-11-12 |
WO2009136374A2 (en) | 2009-11-12 |
JP2011523487A (en) | 2011-08-11 |
KR20110016879A (en) | 2011-02-18 |
CN102016986A (en) | 2011-04-13 |
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