JPS6381091A - 光記録媒体 - Google Patents

光記録媒体

Info

Publication number
JPS6381091A
JPS6381091A JP61227652A JP22765286A JPS6381091A JP S6381091 A JPS6381091 A JP S6381091A JP 61227652 A JP61227652 A JP 61227652A JP 22765286 A JP22765286 A JP 22765286A JP S6381091 A JPS6381091 A JP S6381091A
Authority
JP
Japan
Prior art keywords
tellurium
recording
recording layer
selenium
groove
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
JP61227652A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0481954B2 (enrdf_load_stackoverflow
Inventor
Masaki Ito
雅樹 伊藤
Katsuji Nakagawa
活二 中川
Akio Morimoto
昭男 森本
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
NEC Corp
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 NEC Corp filed Critical NEC Corp
Priority to JP61227652A priority Critical patent/JPS6381091A/ja
Priority to US07/043,626 priority patent/US4839208A/en
Priority to EP87106262A priority patent/EP0243958B1/en
Priority to DE8787106262T priority patent/DE3781926T2/de
Publication of JPS6381091A publication Critical patent/JPS6381091A/ja
Publication of JPH0481954B2 publication Critical patent/JPH0481954B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • G11B2007/24302Metals or metalloids
    • G11B2007/24316Metals or metalloids group 16 elements (i.e. chalcogenides, Se, Te)
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/243Record 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
    • G11B2007/24318Non-metallic elements
    • G11B2007/24322Nitrogen
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/253Record 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
EP87106262A EP0243958B1 (en) 1986-04-30 1987-04-29 Optical information recording medium
DE8787106262T DE3781926T2 (de) 1986-04-30 1987-04-29 Medium fuer optische informationsaufzeichnung.

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 true JPS6381091A (ja) 1988-04-11
JPH0481954B2 JPH0481954B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0481954B2 (enrdf_load_stackoverflow) 1992-12-25

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Legal Events

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