JPH0249493B2 - - Google Patents

Info

Publication number
JPH0249493B2
JPH0249493B2 JP57020020A JP2002082A JPH0249493B2 JP H0249493 B2 JPH0249493 B2 JP H0249493B2 JP 57020020 A JP57020020 A JP 57020020A JP 2002082 A JP2002082 A JP 2002082A JP H0249493 B2 JPH0249493 B2 JP H0249493B2
Authority
JP
Japan
Prior art keywords
disk
recording
reproducing
optical recording
layer
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
JP57020020A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58139342A (ja
Inventor
Takao Inoe
Yukio Maeda
Masami Uchida
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57020020A priority Critical patent/JPS58139342A/ja
Priority to PCT/JP1983/000029 priority patent/WO1983002845A1/ja
Priority to EP83900571A priority patent/EP0105374B1/en
Priority to DE8383900571T priority patent/DE3379693D1/de
Priority to US06/548,891 priority patent/US4546464A/en
Publication of JPS58139342A publication Critical patent/JPS58139342A/ja
Publication of JPH0249493B2 publication Critical patent/JPH0249493B2/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

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP57020020A 1982-02-05 1982-02-10 光学式記録再生円盤 Granted JPS58139342A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57020020A JPS58139342A (ja) 1982-02-10 1982-02-10 光学式記録再生円盤
PCT/JP1983/000029 WO1983002845A1 (fr) 1982-02-05 1983-02-03 Disque pour enregistrement/reproduction optique
EP83900571A EP0105374B1 (en) 1982-02-05 1983-02-03 Optical recording/reproduction disc
DE8383900571T DE3379693D1 (en) 1982-02-05 1983-02-03 Optical recording/reproduction disc
US06/548,891 US4546464A (en) 1982-02-05 1983-02-03 Method of manufacturing an optical recording/reproducing disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57020020A JPS58139342A (ja) 1982-02-10 1982-02-10 光学式記録再生円盤

Publications (2)

Publication Number Publication Date
JPS58139342A JPS58139342A (ja) 1983-08-18
JPH0249493B2 true JPH0249493B2 (en]) 1990-10-30

Family

ID=12015406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57020020A Granted JPS58139342A (ja) 1982-02-05 1982-02-10 光学式記録再生円盤

Country Status (1)

Country Link
JP (1) JPS58139342A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85104504A (zh) * 1984-11-01 1986-04-10 能源转换装置公司 光学数据存贮器件的形成方法
EP1923880A1 (en) * 2006-11-20 2008-05-21 ODS Technology GmbH Smart video card

Also Published As

Publication number Publication date
JPS58139342A (ja) 1983-08-18

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