JPH0139918B2 - - Google Patents

Info

Publication number
JPH0139918B2
JPH0139918B2 JP59199888A JP19988884A JPH0139918B2 JP H0139918 B2 JPH0139918 B2 JP H0139918B2 JP 59199888 A JP59199888 A JP 59199888A JP 19988884 A JP19988884 A JP 19988884A JP H0139918 B2 JPH0139918 B2 JP H0139918B2
Authority
JP
Japan
Prior art keywords
group
copolymer
groups
resin
dye
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
Application number
JP59199888A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60163243A (ja
Inventor
Noryoshi Nanba
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 JP59199888A priority Critical patent/JPS60163243A/ja
Publication of JPS60163243A publication Critical patent/JPS60163243A/ja
Publication of JPH0139918B2 publication Critical patent/JPH0139918B2/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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • G11B7/249Record 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
    • G11B7/2495Record 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
    • 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • G11B7/246Record 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
    • G11B7/247Record 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
    • G11B7/2472Record 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)
JP59199888A 1984-09-25 1984-09-25 光記録媒体 Granted JPS60163243A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59199888A JPS60163243A (ja) 1984-09-25 1984-09-25 光記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59199888A JPS60163243A (ja) 1984-09-25 1984-09-25 光記録媒体

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP59019715A Division JPS60203488A (ja) 1983-01-12 1984-02-04 光記録媒体

Publications (2)

Publication Number Publication Date
JPS60163243A JPS60163243A (ja) 1985-08-26
JPH0139918B2 true JPH0139918B2 (de) 1989-08-24

Family

ID=16415274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59199888A Granted JPS60163243A (ja) 1984-09-25 1984-09-25 光記録媒体

Country Status (1)

Country Link
JP (1) JPS60163243A (de)

Families Citing this family (3)

* 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
KR910005252A (ko) * 1989-08-30 1991-03-30 미다 가쓰시게 광정보 기록매체
JP3062294B2 (ja) * 1991-05-10 2000-07-10 ティーディーケイ株式会社 光記録媒体

Also Published As

Publication number Publication date
JPS60163243A (ja) 1985-08-26

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Legal Events

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