EP1194284A4 - Supports d'enregistrement optique avec possibilites d'effacement ameliorees - Google Patents

Supports d'enregistrement optique avec possibilites d'effacement ameliorees

Info

Publication number
EP1194284A4
EP1194284A4 EP19990918793 EP99918793A EP1194284A4 EP 1194284 A4 EP1194284 A4 EP 1194284A4 EP 19990918793 EP19990918793 EP 19990918793 EP 99918793 A EP99918793 A EP 99918793A EP 1194284 A4 EP1194284 A4 EP 1194284A4
Authority
EP
European Patent Office
Prior art keywords
erasability
increased
optical recording
recording media
media
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Withdrawn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
EP19990918793
Other languages
German (de)
English (en)
Other versions
EP1194284A1 (fr
Inventor
Stanford R Ovshinsky
David A Strand
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.)
Energy Conversion Devices Inc
Original Assignee
Energy Conversion Devices 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 Energy Conversion Devices Inc filed Critical Energy Conversion Devices Inc
Publication of EP1194284A1 publication Critical patent/EP1194284A1/fr
Publication of EP1194284A4 publication Critical patent/EP1194284A4/fr
Withdrawn legal-status Critical Current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
    • G11B7/241—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
    • G11B7/241—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
    • G11B7/2433—Metals or elements of Groups 13, 14, 15 or 16 of the Periodic Table, e.g. B, Si, Ge, As, Sb, Bi, Se or Te
    • 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
    • G11B7/0055—Erasing
    • G11B7/00557—Erasing involving phase-change media
    • 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
    • G11B7/241—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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24306—Metals or metalloids transition metal elements of groups 3-10
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24312—Metals or metalloids group 14 elements (e.g. Si, Ge, Sn)
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24314—Metals or metalloids group 15 elements (e.g. Sb, Bi)
    • 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24316—Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • 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
    • G11B7/253—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 substrates
    • G11B7/2533—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 substrates comprising resins
    • G11B7/2534—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 substrates comprising resins polycarbonates [PC]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
EP19990918793 1999-04-22 1999-04-22 Supports d'enregistrement optique avec possibilites d'effacement ameliorees Withdrawn EP1194284A4 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1999/008861 WO2000064666A1 (fr) 1999-04-22 1999-04-22 Supports d'enregistrement optique avec possibilites d'effacement ameliorees

Publications (2)

Publication Number Publication Date
EP1194284A1 EP1194284A1 (fr) 2002-04-10
EP1194284A4 true EP1194284A4 (fr) 2002-10-31

Family

ID=22272614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990918793 Withdrawn EP1194284A4 (fr) 1999-04-22 1999-04-22 Supports d'enregistrement optique avec possibilites d'effacement ameliorees

Country Status (6)

Country Link
EP (1) EP1194284A4 (fr)
JP (1) JP2002542085A (fr)
KR (1) KR20020000630A (fr)
AU (1) AU3662399A (fr)
CA (1) CA2370836A1 (fr)
WO (1) WO2000064666A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1344179A4 (fr) * 2000-12-22 2007-04-18 Energy Conversion Devices Inc Procede d'enregistrement en memoire
EP2112659A1 (fr) * 2001-09-01 2009-10-28 Energy Convertion Devices, Inc. Stockage de données augmenté dans une mémoire optique et systèmes de récuperation faisant appel à des lasers bleus et/ou des lentilles a plasmons

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866672A (en) * 1985-08-09 1989-09-12 Hitachi, Ltd. Information-recording thin film and method for recording and reproducing information
EP0335469A2 (fr) * 1988-03-28 1989-10-04 Hitachi, Ltd. Couche mince pour l'enregistrement d'informations et méthode d'enregistrement et de reproduction d'informations
EP0354528A2 (fr) * 1988-08-09 1990-02-14 EASTMAN KODAK COMPANY (a New Jersey corporation) Matériaux d'enregistrement optique comprenant des alliages d'antimoine et d'étain avec un troisième élément
JPH0361082A (ja) * 1989-07-31 1991-03-15 Toshiba Corp 情報記録媒体
US5298305A (en) * 1992-01-08 1994-03-29 Ricoh Company, Ltd. Phase-change type information recording medium
EP0735158A2 (fr) * 1995-03-31 1996-10-02 Ricoh Company, Ltd Cible de pulvérisation et son utilisation pour la fabrication d'un support d'enregistrement optique
JPH10337955A (ja) * 1997-06-06 1998-12-22 Asahi Chem Ind Co Ltd 相変化型光情報記録媒体およびその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5591501A (en) * 1995-12-20 1997-01-07 Energy Conversion Devices, Inc. Optical recording medium having a plurality of discrete phase change data recording points
TW414892B (en) * 1996-05-28 2000-12-11 Ibm Optical data storage system with multiple rewriteable phase-change recording layers

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866672A (en) * 1985-08-09 1989-09-12 Hitachi, Ltd. Information-recording thin film and method for recording and reproducing information
EP0335469A2 (fr) * 1988-03-28 1989-10-04 Hitachi, Ltd. Couche mince pour l'enregistrement d'informations et méthode d'enregistrement et de reproduction d'informations
EP0354528A2 (fr) * 1988-08-09 1990-02-14 EASTMAN KODAK COMPANY (a New Jersey corporation) Matériaux d'enregistrement optique comprenant des alliages d'antimoine et d'étain avec un troisième élément
JPH0361082A (ja) * 1989-07-31 1991-03-15 Toshiba Corp 情報記録媒体
US5298305A (en) * 1992-01-08 1994-03-29 Ricoh Company, Ltd. Phase-change type information recording medium
EP0735158A2 (fr) * 1995-03-31 1996-10-02 Ricoh Company, Ltd Cible de pulvérisation et son utilisation pour la fabrication d'un support d'enregistrement optique
JPH10337955A (ja) * 1997-06-06 1998-12-22 Asahi Chem Ind Co Ltd 相変化型光情報記録媒体およびその製造方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0064666A1 *

Also Published As

Publication number Publication date
AU3662399A (en) 2000-11-10
CA2370836A1 (fr) 2000-11-02
JP2002542085A (ja) 2002-12-10
WO2000064666A1 (fr) 2000-11-02
EP1194284A1 (fr) 2002-04-10
KR20020000630A (ko) 2002-01-05

Similar Documents

Publication Publication Date Title
HK1071468A1 (en) Optical recording medium
EP0984443A4 (fr) Support d'enregistrement optique
EP1293974A4 (fr) Support d'enregistrement d'informations optiques
EP1247655A4 (fr) Support d'enregistrement optique et nouveaux composes azaporphyrine
HK1024087A1 (en) Optical information medium
AU2002219540A1 (en) Optical recording medium
SG81350A1 (en) Optical recording medium
BR9905358B8 (pt) mìdia de gravação.
HK1048388A1 (en) Optical recording medium
EP1333434A4 (fr) Support d'enregistrement optique
EP1275517A4 (fr) Support d'enregistrement optique
HK1024330A1 (en) Optical information recording medium
EP1326243A4 (fr) Support d'enregistrement optique
SG97793A1 (en) Information recording medium
HK1045019A1 (zh) 光記錄媒體
GB9412522D0 (en) Optical recording media
EP1017045A4 (fr) Support d'enregistrement optique
EP1349158A4 (fr) Moyen d'enregistrement optique
GB2331176B (en) Optical recording medium
HK1031028A1 (en) Optical recording medium
TW572333U (en) Optical recording medium
SG71935A1 (en) Optical information medium
EP1003163A4 (fr) Support d'enregistrement optique
EP1199184A4 (fr) Support d'enregistrement optique non-efa able
HK1031027A1 (en) Optical recording medium

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: 20011024

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): DE FR GB

A4 Supplementary search report drawn up and despatched
AK Designated contracting states

Kind code of ref document: A4

Designated state(s): DE FR GB

A4 Supplementary search report drawn up and despatched

Effective date: 20021031

RIC1 Information provided on ipc code assigned before grant

Free format text: 7G 11B 7/24 A, 7G 11B 7/00 B, 7G 11B 17/04 B, 7G 11B 33/02 B, 7C 22C 12/00 -

17Q First examination report despatched

Effective date: 20030731

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: 20031211