JPH0576707B2 - - Google Patents

Info

Publication number
JPH0576707B2
JPH0576707B2 JP59228552A JP22855284A JPH0576707B2 JP H0576707 B2 JPH0576707 B2 JP H0576707B2 JP 59228552 A JP59228552 A JP 59228552A JP 22855284 A JP22855284 A JP 22855284A JP H0576707 B2 JPH0576707 B2 JP H0576707B2
Authority
JP
Japan
Prior art keywords
protrusions
substrate
disk
recording
substrates
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
JP59228552A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61107548A (ja
Inventor
Noryoshi Nanba
Shigeru Asami
Toshiki Aoi
Kazuo Takahashi
Akihiko Kuroiwa
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP59228552A priority Critical patent/JPS61107548A/ja
Publication of JPS61107548A publication Critical patent/JPS61107548A/ja
Publication of JPH0576707B2 publication Critical patent/JPH0576707B2/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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • 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

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59228552A 1984-10-30 1984-10-30 光記録デイスク Granted JPS61107548A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59228552A JPS61107548A (ja) 1984-10-30 1984-10-30 光記録デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59228552A JPS61107548A (ja) 1984-10-30 1984-10-30 光記録デイスク

Publications (2)

Publication Number Publication Date
JPS61107548A JPS61107548A (ja) 1986-05-26
JPH0576707B2 true JPH0576707B2 (en]) 1993-10-25

Family

ID=16878158

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59228552A Granted JPS61107548A (ja) 1984-10-30 1984-10-30 光記録デイスク

Country Status (1)

Country Link
JP (1) JPS61107548A (en])

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106204A (en) * 1978-02-07 1979-08-21 Matsushita Electric Ind Co Ltd Information recording disc of transparent type
JPS57120244A (en) * 1981-01-19 1982-07-27 Hitachi Ltd Information recording medium
JPS5933646A (ja) * 1982-08-18 1984-02-23 Toshiba Corp 情報記憶媒体

Also Published As

Publication number Publication date
JPS61107548A (ja) 1986-05-26

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