WO2007072416A3 - Optical storage medium - Google Patents

Optical storage medium Download PDF

Info

Publication number
WO2007072416A3
WO2007072416A3 PCT/IB2006/054941 IB2006054941W WO2007072416A3 WO 2007072416 A3 WO2007072416 A3 WO 2007072416A3 IB 2006054941 W IB2006054941 W IB 2006054941W WO 2007072416 A3 WO2007072416 A3 WO 2007072416A3
Authority
WO
WIPO (PCT)
Prior art keywords
layer
storage medium
optical storage
recording layer
substrate layer
Prior art date
Application number
PCT/IB2006/054941
Other languages
French (fr)
Other versions
WO2007072416A2 (en
Inventor
Erwin R Meinders
Original Assignee
Koninkl Philips Electronics Nv
Erwin R Meinders
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, Erwin R Meinders filed Critical Koninkl Philips Electronics Nv
Publication of WO2007072416A2 publication Critical patent/WO2007072416A2/en
Publication of WO2007072416A3 publication Critical patent/WO2007072416A3/en

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
    • G11B7/241—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
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/0079—Zoned data area, e.g. having different data structures or formats for the user data within data layer, Zone Constant Linear Velocity [ZCLV], Zone Constant Angular Velocity [ZCAV], carriers with RAM and ROM areas
    • 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
    • G11B7/24062—Reflective 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/243—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising inorganic materials only, e.g. ablative layers

Abstract

The present invention relates to an optical storage medium (10) comprising a substrate layer (12) having a pit structure (14, 16) storing optical data, and a groove structure (18, 20) for storing optical data by projecting a laser light beam (22) thereon; and a recording layer stack (24) deposited above the substrate layer (12), comprising a first dielectric layer (26), a first recording layer (28), a second recording layer (30), and a second dielectric layer (32), wherein no metal layer is provided between the recording layer stack (24) and the substrate layer (12), or an aluminum layer (34) having a thickness of between 5nm and 30nm is deposited between the recording layer stack (24) and the substrate layer (12). The present invention further relates to stamper (44) for structuring an optical storage medium (10) according to the invention and to a method of producing an optical storage medium according to the invention.
PCT/IB2006/054941 2005-12-23 2006-12-19 Optical storage medium WO2007072416A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05112886 2005-12-23
EP05112886.6 2005-12-23

Publications (2)

Publication Number Publication Date
WO2007072416A2 WO2007072416A2 (en) 2007-06-28
WO2007072416A3 true WO2007072416A3 (en) 2007-11-01

Family

ID=38180614

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/054941 WO2007072416A2 (en) 2005-12-23 2006-12-19 Optical storage medium

Country Status (2)

Country Link
TW (1) TW200746136A (en)
WO (1) WO2007072416A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009123278A (en) * 2007-11-14 2009-06-04 Tdk Corp Optical recording medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030007448A1 (en) * 2001-05-25 2003-01-09 Ricoh Company, Ltd. Information recording medium and manufacturing method thereof
US20050018591A1 (en) * 2003-07-23 2005-01-27 Tdk Corporation Optical information recording medium
WO2005076267A1 (en) * 2004-02-03 2005-08-18 Koninklijke Philips Electronics N.V. Optical disc having combined rom/r area
WO2005086145A1 (en) * 2004-02-26 2005-09-15 Koninklijke Philips Electronics N.V. Multiple-spiral hybrid disc for e-book applications

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030007448A1 (en) * 2001-05-25 2003-01-09 Ricoh Company, Ltd. Information recording medium and manufacturing method thereof
US20050018591A1 (en) * 2003-07-23 2005-01-27 Tdk Corporation Optical information recording medium
WO2005076267A1 (en) * 2004-02-03 2005-08-18 Koninklijke Philips Electronics N.V. Optical disc having combined rom/r area
WO2005086145A1 (en) * 2004-02-26 2005-09-15 Koninklijke Philips Electronics N.V. Multiple-spiral hybrid disc for e-book applications

Also Published As

Publication number Publication date
TW200746136A (en) 2007-12-16
WO2007072416A2 (en) 2007-06-28

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