JPH0381210B2 - - Google Patents

Info

Publication number
JPH0381210B2
JPH0381210B2 JP57179842A JP17984282A JPH0381210B2 JP H0381210 B2 JPH0381210 B2 JP H0381210B2 JP 57179842 A JP57179842 A JP 57179842A JP 17984282 A JP17984282 A JP 17984282A JP H0381210 B2 JPH0381210 B2 JP H0381210B2
Authority
JP
Japan
Prior art keywords
spacer
disk
recording medium
information recording
stress
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
JP57179842A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5971145A (ja
Inventor
Toshimasa Kamisada
Nobuyuki Fujimoto
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 JP57179842A priority Critical patent/JPS5971145A/ja
Publication of JPS5971145A publication Critical patent/JPS5971145A/ja
Publication of JPH0381210B2 publication Critical patent/JPH0381210B2/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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57179842A 1982-10-15 1982-10-15 情報記録媒体 Granted JPS5971145A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57179842A JPS5971145A (ja) 1982-10-15 1982-10-15 情報記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57179842A JPS5971145A (ja) 1982-10-15 1982-10-15 情報記録媒体

Publications (2)

Publication Number Publication Date
JPS5971145A JPS5971145A (ja) 1984-04-21
JPH0381210B2 true JPH0381210B2 (en]) 1991-12-27

Family

ID=16072847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57179842A Granted JPS5971145A (ja) 1982-10-15 1982-10-15 情報記録媒体

Country Status (1)

Country Link
JP (1) JPS5971145A (en])

Also Published As

Publication number Publication date
JPS5971145A (ja) 1984-04-21

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