ATE381094T1 - Aufzeichnungsvorrichtung und verfahren zum optimierten überschreiben - Google Patents

Aufzeichnungsvorrichtung und verfahren zum optimierten überschreiben

Info

Publication number
ATE381094T1
ATE381094T1 AT05702541T AT05702541T ATE381094T1 AT E381094 T1 ATE381094 T1 AT E381094T1 AT 05702541 T AT05702541 T AT 05702541T AT 05702541 T AT05702541 T AT 05702541T AT E381094 T1 ATE381094 T1 AT E381094T1
Authority
AT
Austria
Prior art keywords
previously written
written marks
information
information layer
recording apparatus
Prior art date
Application number
AT05702541T
Other languages
English (en)
Inventor
Johannes Kablau
Der Vleuten Maarten Van
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE381094T1 publication Critical patent/ATE381094T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/006—Overwriting
    • G11B7/0062—Overwriting strategies, e.g. recording pulse sequences with erasing level used for phase-change media
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1263—Power control during transducing, e.g. by monitoring

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Electronic Switches (AREA)
  • Dot-Matrix Printers And Others (AREA)
AT05702541T 2004-01-19 2005-01-03 Aufzeichnungsvorrichtung und verfahren zum optimierten überschreiben ATE381094T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04100139 2004-01-19

Publications (1)

Publication Number Publication Date
ATE381094T1 true ATE381094T1 (de) 2007-12-15

Family

ID=34802648

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05702541T ATE381094T1 (de) 2004-01-19 2005-01-03 Aufzeichnungsvorrichtung und verfahren zum optimierten überschreiben

Country Status (8)

Country Link
US (1) US20080253749A1 (de)
EP (1) EP1709629B1 (de)
JP (1) JP2007519149A (de)
KR (1) KR20070019967A (de)
CN (1) CN100416664C (de)
AT (1) ATE381094T1 (de)
DE (1) DE602005003783T2 (de)
WO (1) WO2005071668A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8929186B1 (en) * 2013-02-11 2015-01-06 Western Digital Technologies, Inc. Disk drive calibrating laser power for heat assisted magnetic recording based on quality metric and track width
US10152997B1 (en) * 2017-06-12 2018-12-11 Seagate Technology Llc Laser current calibration using preamplifier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0359821A (ja) * 1989-07-27 1991-03-14 Mitsubishi Electric Corp 光記録再生装置
JP2785207B2 (ja) * 1989-08-22 1998-08-13 ソニー株式会社 光書き込み制御装置
KR100505796B1 (ko) * 1997-02-14 2005-10-19 코닌클리케 필립스 일렉트로닉스 엔.브이. 광기록매체의기록방법및기록장치
JPH1131342A (ja) * 1997-07-08 1999-02-02 Hitachi Ltd 光磁気記録方式

Also Published As

Publication number Publication date
DE602005003783T2 (de) 2008-11-27
US20080253749A1 (en) 2008-10-16
KR20070019967A (ko) 2007-02-16
EP1709629B1 (de) 2007-12-12
CN1910659A (zh) 2007-02-07
EP1709629A1 (de) 2006-10-11
CN100416664C (zh) 2008-09-03
JP2007519149A (ja) 2007-07-12
DE602005003783D1 (de) 2008-01-24
WO2005071668A1 (en) 2005-08-04

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Legal Events

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