EP1419503A4 - Multilayer optical disc - Google Patents

Multilayer optical disc

Info

Publication number
EP1419503A4
EP1419503A4 EP02756425A EP02756425A EP1419503A4 EP 1419503 A4 EP1419503 A4 EP 1419503A4 EP 02756425 A EP02756425 A EP 02756425A EP 02756425 A EP02756425 A EP 02756425A EP 1419503 A4 EP1419503 A4 EP 1419503A4
Authority
EP
European Patent Office
Prior art keywords
optical disc
multilayer optical
multilayer
disc
optical
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.)
Withdrawn
Application number
EP02756425A
Other languages
German (de)
French (fr)
Other versions
EP1419503A1 (en
Inventor
Iosif Diskine
Mihail Kvasha
Eugene Levich
Alexey Lezhnev
Jacob Malkin
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.)
D Data Inc
Original Assignee
D Data Inc
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 D Data Inc filed Critical D Data Inc
Publication of EP1419503A1 publication Critical patent/EP1419503A1/en
Publication of EP1419503A4 publication Critical patent/EP1419503A4/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
EP02756425A 2001-07-12 2002-07-12 Multilayer optical disc Withdrawn EP1419503A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US30441601P 2001-07-12 2001-07-12
US304416P 2001-07-12
PCT/US2002/021825 WO2003007297A1 (en) 2001-07-12 2002-07-12 Multilayer optical disc

Publications (2)

Publication Number Publication Date
EP1419503A1 EP1419503A1 (en) 2004-05-19
EP1419503A4 true EP1419503A4 (en) 2008-03-26

Family

ID=23176422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02756425A Withdrawn EP1419503A4 (en) 2001-07-12 2002-07-12 Multilayer optical disc

Country Status (5)

Country Link
EP (1) EP1419503A4 (en)
JP (1) JP2004535646A (en)
KR (1) KR20040054660A (en)
CN (1) CN1602524A (en)
WO (1) WO2003007297A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2718930B1 (en) 2011-06-09 2017-05-24 Case Western Reserve University Optical information storage medium

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219704A (en) * 1974-10-21 1980-08-26 Eli S. Jacobs Record playback apparatus for optical data records
JPH01171135A (en) * 1987-12-25 1989-07-06 Sharp Corp Optical memory element
JPH05234145A (en) * 1992-02-18 1993-09-10 Brother Ind Ltd Optical recording medium and substrate for optical recording medium
US5455818A (en) * 1992-01-22 1995-10-03 Brother Kogyo Kabushiki Kaisha Optical recording medium
EP0936606A2 (en) * 1998-02-13 1999-08-18 International Business Machines Corporation A laser-writable information recording blank
US6039898A (en) * 1997-05-08 2000-03-21 O.M.D. Optical Memory Devices, Ltd. Optical memory device and a method for manufacturing thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09326136A (en) * 1996-06-05 1997-12-16 Sony Corp Optical recording medium and its production

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219704A (en) * 1974-10-21 1980-08-26 Eli S. Jacobs Record playback apparatus for optical data records
JPH01171135A (en) * 1987-12-25 1989-07-06 Sharp Corp Optical memory element
US5455818A (en) * 1992-01-22 1995-10-03 Brother Kogyo Kabushiki Kaisha Optical recording medium
JPH05234145A (en) * 1992-02-18 1993-09-10 Brother Ind Ltd Optical recording medium and substrate for optical recording medium
US6039898A (en) * 1997-05-08 2000-03-21 O.M.D. Optical Memory Devices, Ltd. Optical memory device and a method for manufacturing thereof
EP0936606A2 (en) * 1998-02-13 1999-08-18 International Business Machines Corporation A laser-writable information recording blank

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO03007297A1 *

Also Published As

Publication number Publication date
JP2004535646A (en) 2004-11-25
CN1602524A (en) 2005-03-30
EP1419503A1 (en) 2004-05-19
KR20040054660A (en) 2004-06-25
WO2003007297A1 (en) 2003-01-23

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040212

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR

AX Request for extension of the european patent

Extension state: AL LT LV MK RO SI

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: D DATA INC.

A4 Supplementary search report drawn up and despatched

Effective date: 20080221

17Q First examination report despatched

Effective date: 20080814

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20081230