JPH0570213B2 - - Google Patents

Info

Publication number
JPH0570213B2
JPH0570213B2 JP59164924A JP16492484A JPH0570213B2 JP H0570213 B2 JPH0570213 B2 JP H0570213B2 JP 59164924 A JP59164924 A JP 59164924A JP 16492484 A JP16492484 A JP 16492484A JP H0570213 B2 JPH0570213 B2 JP H0570213B2
Authority
JP
Japan
Prior art keywords
substrate
optical recording
light transmittance
present
light
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
JP59164924A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6145437A (ja
Inventor
Yoshe Kodera
Satoru Ooishi
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 JP59164924A priority Critical patent/JPS6145437A/ja
Publication of JPS6145437A publication Critical patent/JPS6145437A/ja
Publication of JPH0570213B2 publication Critical patent/JPH0570213B2/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
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59164924A 1984-08-08 1984-08-08 光学記録部材 Granted JPS6145437A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59164924A JPS6145437A (ja) 1984-08-08 1984-08-08 光学記録部材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59164924A JPS6145437A (ja) 1984-08-08 1984-08-08 光学記録部材

Publications (2)

Publication Number Publication Date
JPS6145437A JPS6145437A (ja) 1986-03-05
JPH0570213B2 true JPH0570213B2 (enrdf_load_stackoverflow) 1993-10-04

Family

ID=15802427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59164924A Granted JPS6145437A (ja) 1984-08-08 1984-08-08 光学記録部材

Country Status (1)

Country Link
JP (1) JPS6145437A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62168119U (enrdf_load_stackoverflow) * 1986-04-14 1987-10-24
JPS6380696U (enrdf_load_stackoverflow) * 1986-11-15 1988-05-27
JPH07109657B2 (ja) * 1987-01-31 1995-11-22 日立マクセル株式会社 光デイスク
JPS6439647A (en) * 1987-08-05 1989-02-09 Sanyo Electric Co Optical recording disk
JPH07111785B2 (ja) * 1990-01-19 1995-11-29 富士通株式会社 光ディスク
FR2762707A1 (fr) * 1997-04-23 1998-10-30 Moulage Plastique De L Ouest S Disque optique auto-protege contre les rayonnements destructeurs
US6475588B1 (en) 2001-08-07 2002-11-05 General Electric Company Colored digital versatile disks
US6475589B1 (en) 2001-12-17 2002-11-05 General Electric Company Colored optical discs and methods for making the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58218055A (ja) * 1982-06-14 1983-12-19 Ricoh Co Ltd 光情報記録媒体

Also Published As

Publication number Publication date
JPS6145437A (ja) 1986-03-05

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