JPH0439135B2 - - Google Patents

Info

Publication number
JPH0439135B2
JPH0439135B2 JP59113296A JP11329684A JPH0439135B2 JP H0439135 B2 JPH0439135 B2 JP H0439135B2 JP 59113296 A JP59113296 A JP 59113296A JP 11329684 A JP11329684 A JP 11329684A JP H0439135 B2 JPH0439135 B2 JP H0439135B2
Authority
JP
Japan
Prior art keywords
medium layer
disk
track groove
disk substrate
outer peripheral
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
JP59113296A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60256932A (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 JP59113296A priority Critical patent/JPS60256932A/ja
Publication of JPS60256932A publication Critical patent/JPS60256932A/ja
Publication of JPH0439135B2 publication Critical patent/JPH0439135B2/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

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59113296A 1984-06-01 1984-06-01 光情報担体デイスク Granted JPS60256932A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59113296A JPS60256932A (ja) 1984-06-01 1984-06-01 光情報担体デイスク

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59113296A JPS60256932A (ja) 1984-06-01 1984-06-01 光情報担体デイスク

Publications (2)

Publication Number Publication Date
JPS60256932A JPS60256932A (ja) 1985-12-18
JPH0439135B2 true JPH0439135B2 (en]) 1992-06-26

Family

ID=14608603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59113296A Granted JPS60256932A (ja) 1984-06-01 1984-06-01 光情報担体デイスク

Country Status (1)

Country Link
JP (1) JPS60256932A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872445B2 (en) 2002-04-17 2005-03-29 Invista North America S.A.R.L. Durable, liquid impermeable and moisture vapor permeable carpet pad

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6872445B2 (en) 2002-04-17 2005-03-29 Invista North America S.A.R.L. Durable, liquid impermeable and moisture vapor permeable carpet pad

Also Published As

Publication number Publication date
JPS60256932A (ja) 1985-12-18

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term