AU2001292370A1 - Optical record medium, optical information processing apparatus, and optical recording/reproducing method - Google Patents

Optical record medium, optical information processing apparatus, and optical recording/reproducing method

Info

Publication number
AU2001292370A1
AU2001292370A1 AU2001292370A AU9237001A AU2001292370A1 AU 2001292370 A1 AU2001292370 A1 AU 2001292370A1 AU 2001292370 A AU2001292370 A AU 2001292370A AU 9237001 A AU9237001 A AU 9237001A AU 2001292370 A1 AU2001292370 A1 AU 2001292370A1
Authority
AU
Australia
Prior art keywords
optical
processing apparatus
information processing
record medium
reproducing method
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
AU2001292370A
Inventor
Shin-Ichi Kadowaki
Hiroaki Yamamoto
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of AU2001292370A1 publication Critical patent/AU2001292370A1/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
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24035—Recording layers
    • G11B7/24038—Multiple laminated recording layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • 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
    • 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
    • G11B7/00454—Recording involving phase-change effects
    • 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
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • G11B7/127—Lasers; Multiple laser arrays
    • G11B7/1275—Two or more lasers having different wavelengths
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1356—Double or multiple prisms, i.e. having two or more prisms in cooperation
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
    • G11B7/259—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers based on silver
    • 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
    • G11B2007/0003—Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013—Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25706—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing transition metal elements (Zn, Fe, Co, Ni, Pt)
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/2571—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing group 14 elements except carbon (Si, Ge, Sn, Pb)
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25715—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing oxygen
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/257—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers
    • G11B2007/25705—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials
    • G11B2007/25716—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers consisting essentially of inorganic materials containing sulfur
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Nanotechnology (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
AU2001292370A 2000-10-11 2001-10-09 Optical record medium, optical information processing apparatus, and optical recording/reproducing method Abandoned AU2001292370A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000310393 2000-10-11
JP2000-310393 2000-10-11
PCT/JP2001/008871 WO2002031825A1 (en) 2000-10-11 2001-10-09 Optical record medium, optical information processing apparatus, and optical recording/reproducing method

Publications (1)

Publication Number Publication Date
AU2001292370A1 true AU2001292370A1 (en) 2002-04-22

Family

ID=18790363

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001292370A Abandoned AU2001292370A1 (en) 2000-10-11 2001-10-09 Optical record medium, optical information processing apparatus, and optical recording/reproducing method

Country Status (7)

Country Link
US (1) US6987721B2 (en)
EP (1) EP1327977B1 (en)
JP (1) JP4084660B2 (en)
CN (1) CN1199166C (en)
AU (1) AU2001292370A1 (en)
DE (1) DE60137520D1 (en)
WO (1) WO2002031825A1 (en)

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JP2002342980A (en) * 2001-05-14 2002-11-29 Sharp Corp Optical information recording medium
AU2003236279A1 (en) * 2002-04-08 2003-10-20 Matsushita Electric Industrial Co., Ltd. Information recording medium and its production method, and optical information recording/reproducing apparatus
US7328447B2 (en) * 2002-04-30 2008-02-05 Sony Corporation Optical recording medium manufacturing device, method, optical recording medium, reproduction device, method, recording device, and method
US7656777B2 (en) * 2002-05-31 2010-02-02 Panasonic Corporation Optical recording medium, optical information processor, and optical recording/reproducing method
WO2004077424A1 (en) * 2003-02-25 2004-09-10 Matsushita Electric Industrial Co., Ltd. Optical information recording carrier
JP2004348830A (en) * 2003-05-21 2004-12-09 Samsung Electronics Co Ltd Multi-layer structure for plotting minute structure and plotting method, and manufacturing method of original disk of optical disk and mastering method
JP2007521594A (en) * 2003-06-26 2007-08-02 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Optical information carrier with Bragg reflector
JP4279753B2 (en) * 2004-01-08 2009-06-17 株式会社日立製作所 Optical information recording medium, manufacturing method thereof, and optical information recording / reproducing apparatus
KR100579460B1 (en) * 2004-05-19 2006-05-12 엘지전자 주식회사 Multi layer super resolution optical disc
JP4271116B2 (en) 2004-09-29 2009-06-03 株式会社東芝 Optical recording / reproducing device
JP4327691B2 (en) 2004-09-30 2009-09-09 株式会社東芝 Optical recording medium
JP4357454B2 (en) 2005-06-08 2009-11-04 株式会社東芝 Optical recording medium and optical disk
US20080056088A2 (en) * 2005-10-20 2008-03-06 Lanyo Technology Co., Ltd. Multiple Recording Structures for Optical Recording
JP4542995B2 (en) 2006-02-02 2010-09-15 株式会社東芝 Phase change recording medium
JP2008159207A (en) * 2006-12-26 2008-07-10 Toshiba Corp Optical recording medium and optical recording/reproducing apparatus

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US5252370A (en) * 1991-04-23 1993-10-12 Tdk Corporation Optical recording medium and method for making
JP3151058B2 (en) 1992-08-05 2001-04-03 パイオニア株式会社 optical disk
JP3170062B2 (en) 1992-09-25 2001-05-28 パイオニア株式会社 optical disk
JP3287634B2 (en) 1993-03-12 2002-06-04 パイオニア株式会社 Optical disk and optical disk reproducing device
JP3506491B2 (en) * 1994-06-23 2004-03-15 Ｔｄｋ株式会社 Optical information media
DE19612823C2 (en) * 1995-03-31 2001-03-01 Mitsubishi Chem Corp Optical recording process
US5728441A (en) * 1995-12-01 1998-03-17 Samsung Electronics Co., Ltd. Recordable/replayable optical recording medium and optical recording method therefor
AU723890B2 (en) * 1997-02-28 2000-09-07 Asahi Kasei Kogyo Kabushiki Kaisha Phase change optical recording medium, method of manufacturing the same, and method of recording information on the same
KR100271567B1 (en) * 1997-08-14 2000-11-15 구자홍 Phase changing disk
TW406263B (en) * 1997-10-17 2000-09-21 Toyota Central Res & Dev Memory element
JP3648378B2 (en) 1998-03-20 2005-05-18 株式会社東芝 optical disk
US6379767B1 (en) * 1998-04-28 2002-04-30 Lg Electronics Inc. Optical recording medium with multiple recording layers and fabricating method thereof
US6511788B1 (en) * 1999-02-12 2003-01-28 Sony Corporation Multi-layered optical disc
JP4165974B2 (en) * 1999-11-04 2008-10-15 三洋電機株式会社 Multi-layer optical disc
EP1178476B1 (en) * 2000-08-02 2006-05-24 Mitsubishi Kagaku Media Co., Ltd. Optical recording medium and process for producing an optical recording medium
US6700862B2 (en) * 2000-10-03 2004-03-02 Matsushita Electric Industrial Co., Ltd. Optical disc and manufacturing method for the same
SG116432A1 (en) * 2000-12-26 2005-11-28 Kobe Steel Ltd Reflective layer or semi-transparent reflective layer for use in optical information recording media, optical information recording media and sputtering target for use in the optical information recording media.

Also Published As

Publication number Publication date
DE60137520D1 (en) 2009-03-12
EP1327977A1 (en) 2003-07-16
CN1468431A (en) 2004-01-14
EP1327977B1 (en) 2009-01-21
JPWO2002031825A1 (en) 2004-02-19
CN1199166C (en) 2005-04-27
EP1327977A4 (en) 2008-03-05
US20030174629A1 (en) 2003-09-18
WO2002031825A1 (en) 2002-04-18
JP4084660B2 (en) 2008-04-30
US6987721B2 (en) 2006-01-17

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