DE69505524T2 - System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk - Google Patents

System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk

Info

Publication number
DE69505524T2
DE69505524T2 DE69505524T DE69505524T DE69505524T2 DE 69505524 T2 DE69505524 T2 DE 69505524T2 DE 69505524 T DE69505524 T DE 69505524T DE 69505524 T DE69505524 T DE 69505524T DE 69505524 T2 DE69505524 T2 DE 69505524T2
Authority
DE
Germany
Prior art keywords
servo
disk drive
gratings
write
data recording
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.)
Expired - Fee Related
Application number
DE69505524T
Other languages
English (en)
Other versions
DE69505524D1 (de
Inventor
John Stewart Best
Wen-Wei Chiang
Steven Robert Hetzler
Donald Edward Horne
Chih-Kung Lee
Vincent Marrello
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.)
HGST Netherlands BV
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE69505524D1 publication Critical patent/DE69505524D1/de
Application granted granted Critical
Publication of DE69505524T2 publication Critical patent/DE69505524T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
DE69505524T 1994-05-27 1995-05-18 System zum schreiben von servo-information in einem datenaufzeichnungsplattenlaufwerk Expired - Fee Related DE69505524T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25019794A 1994-05-27 1994-05-27
PCT/EP1995/001897 WO1995033262A1 (en) 1994-05-27 1995-05-18 Servo-writing system for use in a data recording disk drive

Publications (2)

Publication Number Publication Date
DE69505524D1 DE69505524D1 (de) 1998-11-26
DE69505524T2 true DE69505524T2 (de) 1999-06-02

Family

ID=22946700

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69505524T Expired - Fee Related DE69505524T2 (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)

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Also Published As

Publication number Publication date
CN1096071C (zh) 2002-12-11
DE69505524D1 (de) 1998-11-26
CA2144403A1 (en) 1995-11-28
ATE172571T1 (de) 1998-11-15
BR9502512A (pt) 1996-04-09
JP2001043643A (ja) 2001-02-16
MY113053A (en) 2001-11-30
KR100207879B1 (ko) 1999-07-15
US5909333A (en) 1999-06-01
CN1126874A (zh) 1996-07-17
EP0761002B1 (de) 1998-10-21
RU2141691C1 (ru) 1999-11-20
EP0761002A1 (de) 1997-03-12
TW256914B (en) 1995-09-11
JPH07326142A (ja) 1995-12-12
WO1995033262A1 (en) 1995-12-07

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8327 Change in the person/name/address of the patent owner

Owner name: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.

8339 Ceased/non-payment of the annual fee