JPS612595A - 光学情報記録部材 - Google Patents

光学情報記録部材

Info

Publication number
JPS612595A
JPS612595A JP59123004A JP12300484A JPS612595A JP S612595 A JPS612595 A JP S612595A JP 59123004 A JP59123004 A JP 59123004A JP 12300484 A JP12300484 A JP 12300484A JP S612595 A JPS612595 A JP S612595A
Authority
JP
Japan
Prior art keywords
recording
thin film
irradiation
erasing
sensitivity
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.)
Granted
Application number
JP59123004A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0530194B2 (OSRAM
Inventor
Noboru Yamada
昇 山田
Kunio Kimura
邦夫 木村
Eiji Ono
鋭二 大野
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
Priority to JP59123004A priority Critical patent/JPS612595A/ja
Priority to CA000483786A priority patent/CA1245762A/en
Priority to US06/743,801 priority patent/US4656079A/en
Priority to EP19850107452 priority patent/EP0169367B1/en
Priority to DE8585107452T priority patent/DE3574193D1/de
Publication of JPS612595A publication Critical patent/JPS612595A/ja
Publication of JPH0530194B2 publication Critical patent/JPH0530194B2/ja
Granted 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
    • G11B2007/24302—Metals or metalloids
    • G11B2007/24308—Metals or metalloids transition metal elements of group 11 (Cu, Ag, Au)
    • 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
    • G11B2007/24316—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
    • G11B7/242—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
    • G11B2007/24318—Non-metallic elements
    • G11B2007/2432—Oxygen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59123004A 1984-06-15 1984-06-15 光学情報記録部材 Granted JPS612595A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59123004A JPS612595A (ja) 1984-06-15 1984-06-15 光学情報記録部材
CA000483786A CA1245762A (en) 1984-06-15 1985-06-12 Reversible optical information recording medium
US06/743,801 US4656079A (en) 1984-06-15 1985-06-12 Reversible optical information recording medium
EP19850107452 EP0169367B1 (en) 1984-06-15 1985-06-14 Reversible optical information recording medium
DE8585107452T DE3574193D1 (en) 1984-06-15 1985-06-14 Reversible optical information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59123004A JPS612595A (ja) 1984-06-15 1984-06-15 光学情報記録部材

Publications (2)

Publication Number Publication Date
JPS612595A true JPS612595A (ja) 1986-01-08
JPH0530194B2 JPH0530194B2 (OSRAM) 1993-05-07

Family

ID=14849873

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59123004A Granted JPS612595A (ja) 1984-06-15 1984-06-15 光学情報記録部材

Country Status (1)

Country Link
JP (1) JPS612595A (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152786A (ja) * 1985-12-27 1987-07-07 Hitachi Ltd 相変化記録媒体
JPS6330289A (ja) * 1986-07-25 1988-02-08 Hitachi Ltd 光記録媒体

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62152786A (ja) * 1985-12-27 1987-07-07 Hitachi Ltd 相変化記録媒体
JPS6330289A (ja) * 1986-07-25 1988-02-08 Hitachi Ltd 光記録媒体

Also Published As

Publication number Publication date
JPH0530194B2 (OSRAM) 1993-05-07

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees