DE19983958T1 - Verfahren und Vorrichtung zum thermischen Schreiben von Servomustern auf magnetische Medien - Google Patents

Verfahren und Vorrichtung zum thermischen Schreiben von Servomustern auf magnetische Medien

Info

Publication number
DE19983958T1
DE19983958T1 DE19983958T DE19983958T DE19983958T1 DE 19983958 T1 DE19983958 T1 DE 19983958T1 DE 19983958 T DE19983958 T DE 19983958T DE 19983958 T DE19983958 T DE 19983958T DE 19983958 T1 DE19983958 T1 DE 19983958T1
Authority
DE
Germany
Prior art keywords
magnetic media
servo patterns
thermal writing
writing
thermal
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Withdrawn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
DE19983958T
Other languages
English (en)
Inventor
Alexei H Sacks
Li-Ping Wang
Donald E Curtiss
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.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
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 Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE19983958T1 publication Critical patent/DE19983958T1/de
Withdrawn legal-status Critical Current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
    • 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"
    • 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
DE19983958T 1999-03-26 1999-12-23 Verfahren und Vorrichtung zum thermischen Schreiben von Servomustern auf magnetische Medien Withdrawn DE19983958T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12638699P 1999-03-26 1999-03-26
US09/425,768 US6490117B1 (en) 1999-03-26 1999-10-22 Method of thermally printing servo patterns on magnetic media
PCT/US1999/030705 WO2000058954A1 (en) 1999-03-26 1999-12-23 Method and apparatus for thermally writing servo patterns on magnetic media

Publications (1)

Publication Number Publication Date
DE19983958T1 true DE19983958T1 (de) 2003-12-04

Family

ID=26824594

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19983958T Withdrawn DE19983958T1 (de) 1999-03-26 1999-12-23 Verfahren und Vorrichtung zum thermischen Schreiben von Servomustern auf magnetische Medien

Country Status (6)

Country Link
US (2) US6490117B1 (de)
CN (1) CN1199155C (de)
DE (1) DE19983958T1 (de)
GB (1) GB2364166B (de)
HK (1) HK1043651A1 (de)
WO (1) WO2000058954A1 (de)

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US8649249B1 (en) * 2004-09-02 2014-02-11 Seagate Technology Llc Printing magnetic pattern onto disk
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US7064914B1 (en) 2004-12-22 2006-06-20 Seagate Technology Llc Position error signal quality
US20090268599A1 (en) * 2005-03-30 2009-10-29 Matsushita Electric Industrial Co., Ltd. Magnetic recording medium and recording and reproducing method and apparatus for the same
US7830775B2 (en) * 2006-02-13 2010-11-09 Seagate Technology Llc Writeable optical recording of multilevel oriented nano-structure discs
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US7848040B2 (en) * 2007-08-17 2010-12-07 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with amplitude-type servo fields having patterned alternating-polarity servo islands for read/write head positioning
US7706092B2 (en) * 2007-09-12 2010-04-27 Seagate Technology Llc Null servo pattern for bit-patterned media
US7612961B2 (en) * 2007-10-12 2009-11-03 Hitachi Global Storage Technologies Netherlands B.V. Magnetic recording disk and disk drive with patterned phase-type servo fields for read/write head positioning
US8737001B2 (en) 2010-09-15 2014-05-27 Seagate Technology Llc Bit patterned magnetic storage medium
US8787126B2 (en) 2011-10-10 2014-07-22 Seagate Technology Llc Waveguide with blocking layer
US20150246476A1 (en) * 2014-03-02 2015-09-03 Seagate Technology Llc Method for fabricating rectangular pattered stacks

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Also Published As

Publication number Publication date
GB0125669D0 (en) 2001-12-19
GB2364166A (en) 2002-01-16
CN1199155C (zh) 2005-04-27
GB2364166B (en) 2003-06-18
US6879458B2 (en) 2005-04-12
US20030076612A1 (en) 2003-04-24
CN1384962A (zh) 2002-12-11
HK1043651A1 (zh) 2002-09-20
US6490117B1 (en) 2002-12-03
WO2000058954A1 (en) 2000-10-05

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee