JPS5367405A - Information recording member - Google Patents

Information recording member

Info

Publication number
JPS5367405A
JPS5367405A JP14230776A JP14230776A JPS5367405A JP S5367405 A JPS5367405 A JP S5367405A JP 14230776 A JP14230776 A JP 14230776A JP 14230776 A JP14230776 A JP 14230776A JP S5367405 A JPS5367405 A JP S5367405A
Authority
JP
Japan
Prior art keywords
information recording
recording member
recessed areas
dusturbance
eliminate
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.)
Pending
Application number
JP14230776A
Other languages
Japanese (ja)
Inventor
Motoyasu Terao
Seiji Yonezawa
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP14230776A priority Critical patent/JPS5367405A/en
Publication of JPS5367405A publication Critical patent/JPS5367405A/en
Pending 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

Abstract

PURPOSE:To smooth surface, eliminate the dusturbance of the shape of recessed areas even if the fine recessed areas are formed by radiating energy beam such as laser light and increase the resultant signal to noise ratio by providing a specific thin film on a base.
JP14230776A 1976-11-29 1976-11-29 Information recording member Pending JPS5367405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14230776A JPS5367405A (en) 1976-11-29 1976-11-29 Information recording member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14230776A JPS5367405A (en) 1976-11-29 1976-11-29 Information recording member

Publications (1)

Publication Number Publication Date
JPS5367405A true JPS5367405A (en) 1978-06-15

Family

ID=15312313

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14230776A Pending JPS5367405A (en) 1976-11-29 1976-11-29 Information recording member

Country Status (1)

Country Link
JP (1) JPS5367405A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185048A (en) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd Member for recording optical information and its recording method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59185048A (en) * 1983-04-01 1984-10-20 Matsushita Electric Ind Co Ltd Member for recording optical information and its recording method
JPH0548197B2 (en) * 1983-04-01 1993-07-20 Matsushita Electric Ind Co Ltd

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