JPH0481954B2 - - Google Patents

Info

Publication number
JPH0481954B2
JPH0481954B2 JP61227652A JP22765286A JPH0481954B2 JP H0481954 B2 JPH0481954 B2 JP H0481954B2 JP 61227652 A JP61227652 A JP 61227652A JP 22765286 A JP22765286 A JP 22765286A JP H0481954 B2 JPH0481954 B2 JP H0481954B2
Authority
JP
Japan
Prior art keywords
recording
tellurium
selenium
recording medium
substrate
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.)
Expired - Lifetime
Application number
JP61227652A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6381091A (ja
Inventor
Masaki Ito
Katsuji Nakagawa
Akio Morimoto
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61227652A priority Critical patent/JPS6381091A/ja
Priority to US07/043,626 priority patent/US4839208A/en
Priority to DE8787106262T priority patent/DE3781926T2/de
Priority to EP87106262A priority patent/EP0243958B1/en
Publication of JPS6381091A publication Critical patent/JPS6381091A/ja
Publication of JPH0481954B2 publication Critical patent/JPH0481954B2/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
    • G11B2007/24316—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
    • G11B2007/24322—Nitrogen
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP61227652A 1986-04-30 1986-09-25 光記録媒体 Granted JPS6381091A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP61227652A JPS6381091A (ja) 1986-09-25 1986-09-25 光記録媒体
US07/043,626 US4839208A (en) 1986-04-30 1987-04-28 Optical information recording medium
DE8787106262T DE3781926T2 (de) 1986-04-30 1987-04-29 Medium fuer optische informationsaufzeichnung.
EP87106262A EP0243958B1 (en) 1986-04-30 1987-04-29 Optical information recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61227652A JPS6381091A (ja) 1986-09-25 1986-09-25 光記録媒体

Publications (2)

Publication Number Publication Date
JPS6381091A JPS6381091A (ja) 1988-04-11
JPH0481954B2 true JPH0481954B2 (en]) 1992-12-25

Family

ID=16864219

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61227652A Granted JPS6381091A (ja) 1986-04-30 1986-09-25 光記録媒体

Country Status (1)

Country Link
JP (1) JPS6381091A (en])

Also Published As

Publication number Publication date
JPS6381091A (ja) 1988-04-11

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Legal Events

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