AU5754299A - Optically readable data carrier and manufacture thereof - Google Patents

Optically readable data carrier and manufacture thereof

Info

Publication number
AU5754299A
AU5754299A AU57542/99A AU5754299A AU5754299A AU 5754299 A AU5754299 A AU 5754299A AU 57542/99 A AU57542/99 A AU 57542/99A AU 5754299 A AU5754299 A AU 5754299A AU 5754299 A AU5754299 A AU 5754299A
Authority
AU
Australia
Prior art keywords
manufacture
data carrier
readable data
optically readable
optically
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.)
Abandoned
Application number
AU57542/99A
Inventor
Andras Nober
Tibor Paukovitz
Suthep Vichakyothin
Brian Van Waddell
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.)
OpTek Ltd
Original Assignee
OpTek Ltd
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 OpTek Ltd filed Critical OpTek Ltd
Publication of AU5754299A publication Critical patent/AU5754299A/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/281—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/24094—Indication parts or information parts for identification
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Recording Or Reproduction (AREA)
AU57542/99A 1999-09-24 1999-09-24 Optically readable data carrier and manufacture thereof Abandoned AU5754299A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB1999/001578 WO2001022413A1 (en) 1999-09-24 1999-09-24 Optically readable data carrier and manufacture thereof

Publications (1)

Publication Number Publication Date
AU5754299A true AU5754299A (en) 2001-04-24

Family

ID=11004901

Family Applications (1)

Application Number Title Priority Date Filing Date
AU57542/99A Abandoned AU5754299A (en) 1999-09-24 1999-09-24 Optically readable data carrier and manufacture thereof

Country Status (2)

Country Link
AU (1) AU5754299A (en)
WO (1) WO2001022413A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1400964A1 (en) * 2002-09-04 2004-03-24 Sony DADC Austria AG Method and device to produce an optical disk
JP4239977B2 (en) 2003-01-09 2009-03-18 ソニー株式会社 Manufacturing method of optical disc manufacturing master and optical disc manufacturing method
JP2005339735A (en) * 2004-05-28 2005-12-08 Toshiba Corp Label recording method of optical disk and apparatus using the method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3109866B2 (en) * 1990-11-17 2000-11-20 太陽誘電株式会社 Substrate for optical information recording carrier and method of manufacturing the same
DE4311683C2 (en) * 1993-04-08 1996-05-02 Sonopress Prod Disc-shaped optical memory and method for its production
US5751690A (en) * 1994-12-15 1998-05-12 Pioneer Video Corporation Optical disk having pattern displayed thereon and apparatus for manufacturing same
US5946286A (en) * 1997-03-20 1999-08-31 Imation Corp. Customized graphics for dual layer optical discs
EP0896332B1 (en) * 1997-07-28 2008-06-04 THOMSON multimedia A method for personalizing a data storage medium
JPH11224442A (en) * 1998-02-05 1999-08-17 Nippon Columbia Co Ltd Optical information recording medium, manufacture of the same and recording device for master disk for its medium

Also Published As

Publication number Publication date
WO2001022413A1 (en) 2001-03-29

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase