JPH0445897B2 - - Google Patents

Info

Publication number
JPH0445897B2
JPH0445897B2 JP59008836A JP883684A JPH0445897B2 JP H0445897 B2 JPH0445897 B2 JP H0445897B2 JP 59008836 A JP59008836 A JP 59008836A JP 883684 A JP883684 A JP 883684A JP H0445897 B2 JPH0445897 B2 JP H0445897B2
Authority
JP
Japan
Prior art keywords
undercoat layer
layer
recording
recording medium
undercoat
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
JP59008836A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60151849A (ja
Inventor
Masaki Ito
Sotaro Edokoro
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 JP59008836A priority Critical patent/JPS60151849A/ja
Publication of JPS60151849A publication Critical patent/JPS60151849A/ja
Publication of JPH0445897B2 publication Critical patent/JPH0445897B2/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
    • 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
    • G11B7/257Record 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 layers having properties involved in recording or reproduction, e.g. optical interference layers or sensitising layers or dielectric layers, which are protecting the recording layers

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59008836A 1984-01-20 1984-01-20 光学記録媒体 Granted JPS60151849A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59008836A JPS60151849A (ja) 1984-01-20 1984-01-20 光学記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59008836A JPS60151849A (ja) 1984-01-20 1984-01-20 光学記録媒体

Publications (2)

Publication Number Publication Date
JPS60151849A JPS60151849A (ja) 1985-08-09
JPH0445897B2 true JPH0445897B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-07-28

Family

ID=11703864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59008836A Granted JPS60151849A (ja) 1984-01-20 1984-01-20 光学記録媒体

Country Status (1)

Country Link
JP (1) JPS60151849A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS60151849A (ja) 1985-08-09

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