JPH0430652B2 - - Google Patents

Info

Publication number
JPH0430652B2
JPH0430652B2 JP59081225A JP8122584A JPH0430652B2 JP H0430652 B2 JPH0430652 B2 JP H0430652B2 JP 59081225 A JP59081225 A JP 59081225A JP 8122584 A JP8122584 A JP 8122584A JP H0430652 B2 JPH0430652 B2 JP H0430652B2
Authority
JP
Japan
Prior art keywords
ring
disk
core material
transparent
shaped core
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
JP59081225A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60226040A (ja
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 filed Critical
Priority to JP59081225A priority Critical patent/JPS60226040A/ja
Publication of JPS60226040A publication Critical patent/JPS60226040A/ja
Publication of JPH0430652B2 publication Critical patent/JPH0430652B2/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
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59081225A 1984-04-24 1984-04-24 円盤状情報記録担体 Granted JPS60226040A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59081225A JPS60226040A (ja) 1984-04-24 1984-04-24 円盤状情報記録担体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59081225A JPS60226040A (ja) 1984-04-24 1984-04-24 円盤状情報記録担体

Publications (2)

Publication Number Publication Date
JPS60226040A JPS60226040A (ja) 1985-11-11
JPH0430652B2 true JPH0430652B2 (cs) 1992-05-22

Family

ID=13740531

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59081225A Granted JPS60226040A (ja) 1984-04-24 1984-04-24 円盤状情報記録担体

Country Status (1)

Country Link
JP (1) JPS60226040A (cs)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117551Y2 (cs) * 1979-04-18 1986-05-29
US4331966A (en) * 1980-10-06 1982-05-25 Storage Technology Corporation Information storage device and method of forming same
JPS5987636A (ja) * 1982-11-10 1984-05-21 Toshiba Corp 情報記憶媒体

Also Published As

Publication number Publication date
JPS60226040A (ja) 1985-11-11

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