JPH0558915B2 - - Google Patents

Info

Publication number
JPH0558915B2
JPH0558915B2 JP59198300A JP19830084A JPH0558915B2 JP H0558915 B2 JPH0558915 B2 JP H0558915B2 JP 59198300 A JP59198300 A JP 59198300A JP 19830084 A JP19830084 A JP 19830084A JP H0558915 B2 JPH0558915 B2 JP H0558915B2
Authority
JP
Japan
Prior art keywords
group
recording
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
JP59198300A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6174891A (ja
Inventor
Toshiki Aoi
Kazuo Takahashi
Akihiko Kuroiwa
Shigeru Asami
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 JP59198300A priority Critical patent/JPS6174891A/ja
Publication of JPS6174891A publication Critical patent/JPS6174891A/ja
Publication of JPH0558915B2 publication Critical patent/JPH0558915B2/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
    • G11B7/246—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
    • 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
    • G11B7/2467—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 azo-dyes
    • 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
    • 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
    • G11B7/248—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 porphines; azaporphines, e.g. phthalocyanines
    • 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
    • G11B7/254—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 of protective topcoat layers
    • G11B7/2542—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 of protective topcoat layers consisting essentially of organic resins

Landscapes

  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP59198300A 1984-09-21 1984-09-21 光記録方法 Granted JPS6174891A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59198300A JPS6174891A (ja) 1984-09-21 1984-09-21 光記録方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59198300A JPS6174891A (ja) 1984-09-21 1984-09-21 光記録方法

Publications (2)

Publication Number Publication Date
JPS6174891A JPS6174891A (ja) 1986-04-17
JPH0558915B2 true JPH0558915B2 (de) 1993-08-27

Family

ID=16388836

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59198300A Granted JPS6174891A (ja) 1984-09-21 1984-09-21 光記録方法

Country Status (1)

Country Link
JP (1) JPS6174891A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100288681B1 (ko) * 1995-12-25 2001-05-02 나가시마 므쓰오 광 기록 재료 및 광 기록 매체

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53107854A (en) * 1977-03-03 1978-09-20 Canon Inc Recording medium
JPS56124136A (en) * 1980-02-01 1981-09-29 Thomson Csf Reversible memory structure
JPS56124135A (en) * 1980-02-01 1981-09-29 Thomson Csf Thermal optical writing permanent memory structure and optically reading and writing method
JPS58146040A (ja) * 1982-02-24 1983-08-31 Pioneer Video Kk 光学式情報記録原盤
JPS595097A (ja) * 1982-07-02 1984-01-11 Nec Corp 光記録方式
JPS5919253A (ja) * 1982-07-23 1984-01-31 Sony Corp 情報記録媒体

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53107854A (en) * 1977-03-03 1978-09-20 Canon Inc Recording medium
JPS56124136A (en) * 1980-02-01 1981-09-29 Thomson Csf Reversible memory structure
JPS56124135A (en) * 1980-02-01 1981-09-29 Thomson Csf Thermal optical writing permanent memory structure and optically reading and writing method
JPS58146040A (ja) * 1982-02-24 1983-08-31 Pioneer Video Kk 光学式情報記録原盤
JPS595097A (ja) * 1982-07-02 1984-01-11 Nec Corp 光記録方式
JPS5919253A (ja) * 1982-07-23 1984-01-31 Sony Corp 情報記録媒体

Also Published As

Publication number Publication date
JPS6174891A (ja) 1986-04-17

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Legal Events

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