TW200606931A - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
TW200606931A
TW200606931A TW094112894A TW94112894A TW200606931A TW 200606931 A TW200606931 A TW 200606931A TW 094112894 A TW094112894 A TW 094112894A TW 94112894 A TW94112894 A TW 94112894A TW 200606931 A TW200606931 A TW 200606931A
Authority
TW
Taiwan
Prior art keywords
ring
recording layer
recording
recording medium
optical recording
Prior art date
Application number
TW094112894A
Other languages
English (en)
Chinese (zh)
Other versions
TWI377572B (enExample
Inventor
Yoshihiro Noda
Shigeyuki Furomoto
Original Assignee
Mitsubishi Chem 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
Priority claimed from JP2005124268A external-priority patent/JP2005339769A/ja
Application filed by Mitsubishi Chem Corp filed Critical Mitsubishi Chem Corp
Publication of TW200606931A publication Critical patent/TW200606931A/zh
Application granted granted Critical
Publication of TWI377572B publication Critical patent/TWI377572B/zh

Links

Classifications

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    • 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
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    • 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
    • G11B7/2578—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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
TW094112894A 2004-04-23 2005-04-22 Optical recording medium TW200606931A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2004128002 2004-04-23
JP2004133826 2004-04-28
JP2005124268A JP2005339769A (ja) 2004-04-23 2005-04-21 光記録媒体
PCT/JP2005/007649 WO2005104117A1 (ja) 2004-04-23 2005-04-21 光記録媒体

Publications (2)

Publication Number Publication Date
TW200606931A true TW200606931A (en) 2006-02-16
TWI377572B TWI377572B (enExample) 2012-11-21

Family

ID=35197234

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094112894A TW200606931A (en) 2004-04-23 2005-04-22 Optical recording medium

Country Status (4)

Country Link
US (1) US7371449B2 (enExample)
EP (1) EP1739668B1 (enExample)
TW (1) TW200606931A (enExample)
WO (1) WO2005104117A1 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1615214A4 (en) * 2003-04-14 2008-07-23 Mitsubishi Kagaku Media Co Ltd OPTICAL RECORDING MEDIUM AND RECORDING / REPLAYING METHOD THEREFOR
TW200901188A (en) * 2007-06-22 2009-01-01 Daxon Technology Inc Method of making an optical disc
TW200923922A (en) * 2007-11-30 2009-06-01 Daxon Technology Inc Optical recording medium with braille characters and method of manufacturing the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639745A (en) * 1984-01-11 1987-01-27 Pioneer Electronic Corporation Optical recording medium
JPH03256240A (ja) * 1990-03-06 1991-11-14 Ricoh Co Ltd 光情報記録媒体
JP2657579B2 (ja) * 1990-04-19 1997-09-24 富士写真フイルム株式会社 光情報記録媒体
DE69728971T2 (de) * 1996-12-27 2005-04-07 Tdk Corp. Optisches aufzeichnungsmedium
JP4238518B2 (ja) * 2002-05-14 2009-03-18 三菱化学メディア株式会社 光記録媒体及びその製造方法
ATE379834T1 (de) * 2002-12-13 2007-12-15 Koninkl Philips Electronics Nv Doppelschichtiges optisches aufzeichnungsmedium und der gebrauch eines solchen mediums
JP2005044491A (ja) * 2003-07-10 2005-02-17 Ricoh Co Ltd 光記録媒体およびその製造方法

Also Published As

Publication number Publication date
EP1739668B1 (en) 2012-03-07
WO2005104117A1 (ja) 2005-11-03
US7371449B2 (en) 2008-05-13
TWI377572B (enExample) 2012-11-21
EP1739668A4 (en) 2010-05-19
EP1739668A1 (en) 2007-01-03
US20060172109A1 (en) 2006-08-03

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