JPH0526670B2 - - Google Patents

Info

Publication number
JPH0526670B2
JPH0526670B2 JP59090748A JP9074884A JPH0526670B2 JP H0526670 B2 JPH0526670 B2 JP H0526670B2 JP 59090748 A JP59090748 A JP 59090748A JP 9074884 A JP9074884 A JP 9074884A JP H0526670 B2 JPH0526670 B2 JP H0526670B2
Authority
JP
Japan
Prior art keywords
ring
group
cyanine dye
copolymer
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 - Fee Related
Application number
JP59090748A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60234886A (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 JP59090748A priority Critical patent/JPS60234886A/ja
Priority to DE8585902157T priority patent/DE3575628D1/de
Priority to PCT/JP1985/000253 priority patent/WO1985005078A1/ja
Priority to US06/827,928 priority patent/US4713314A/en
Priority to EP85902157A priority patent/EP0181941B1/en
Publication of JPS60234886A publication Critical patent/JPS60234886A/ja
Publication of JPH0526670B2 publication Critical patent/JPH0526670B2/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
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/249—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds
    • G11B7/2495—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing organometallic compounds as anions
    • 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
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/246—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes
    • G11B7/247—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes
    • G11B7/2472—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing dyes methine or polymethine dyes cyanine

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
JP59090748A 1984-05-07 1984-05-07 光記録媒体 Granted JPS60234886A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP59090748A JPS60234886A (ja) 1984-05-07 1984-05-07 光記録媒体
DE8585902157T DE3575628D1 (de) 1984-05-07 1985-05-02 Optisches speichermedium.
PCT/JP1985/000253 WO1985005078A1 (en) 1984-05-07 1985-05-02 Optical recording medium
US06/827,928 US4713314A (en) 1984-05-07 1985-05-02 Optical recording medium
EP85902157A EP0181941B1 (en) 1984-05-07 1985-05-02 Optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59090748A JPS60234886A (ja) 1984-05-07 1984-05-07 光記録媒体

Publications (2)

Publication Number Publication Date
JPS60234886A JPS60234886A (ja) 1985-11-21
JPH0526670B2 true JPH0526670B2 (enrdf_load_stackoverflow) 1993-04-16

Family

ID=14007213

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59090748A Granted JPS60234886A (ja) 1984-05-07 1984-05-07 光記録媒体

Country Status (1)

Country Link
JP (1) JPS60234886A (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2850121B2 (ja) * 1987-05-01 1999-01-27 ティーディーケイ株式会社 光記録媒体の製造方法
JPH074979B2 (ja) * 1987-08-05 1995-01-25 太陽誘電株式会社 光情報記録媒体
JPH074977B2 (ja) * 1987-08-05 1995-01-25 太陽誘電株式会社 光情報記録媒体
JPH074978B2 (ja) * 1987-08-05 1995-01-25 太陽誘電株式会社 光情報記録媒体
JPS6440386A (en) * 1987-08-05 1989-02-10 Taiyo Yuden Kk Optical data recording medium
JPH074981B2 (ja) * 1987-08-06 1995-01-25 太陽誘電株式会社 光情報記録媒体
JPH01206093A (ja) * 1988-02-13 1989-08-18 Taiyo Yuden Co Ltd 光情報記録媒体の製造方法
JPH0284384A (ja) * 1988-02-18 1990-03-26 Taiyo Yuden Co Ltd 光情報記録媒体の製造方法

Also Published As

Publication number Publication date
JPS60234886A (ja) 1985-11-21

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees