JPH0443571B2 - - Google Patents

Info

Publication number
JPH0443571B2
JPH0443571B2 JP60231519A JP23151985A JPH0443571B2 JP H0443571 B2 JPH0443571 B2 JP H0443571B2 JP 60231519 A JP60231519 A JP 60231519A JP 23151985 A JP23151985 A JP 23151985A JP H0443571 B2 JPH0443571 B2 JP H0443571B2
Authority
JP
Japan
Prior art keywords
recording
information
recording medium
wavelength
absorption
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
JP60231519A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6290649A (ja
Inventor
Kimimasa Myazaki
Eiji Ando
Masaaki Yoshino
Kazuhisa Morimoto
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 JP60231519A priority Critical patent/JPS6290649A/ja
Priority to EP86102848A priority patent/EP0193931B1/de
Priority to US06/836,625 priority patent/US4737427A/en
Priority to DE3689891T priority patent/DE3689891T2/de
Publication of JPS6290649A publication Critical patent/JPS6290649A/ja
Priority to US07/145,686 priority patent/US4845021A/en
Publication of JPH0443571B2 publication Critical patent/JPH0443571B2/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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • 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
    • G11B2007/24612—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 two or more dyes in one layer

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
JP60231519A 1985-03-06 1985-10-17 光学記録媒体 Granted JPS6290649A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60231519A JPS6290649A (ja) 1985-10-17 1985-10-17 光学記録媒体
EP86102848A EP0193931B1 (de) 1985-03-06 1986-03-05 Optische Aufzeichnungsmedien mit hoher Dichte, Verfahren zu deren Herstellung und Verfahren um optische Informationen in diesem Medium aufzuzeichnen
US06/836,625 US4737427A (en) 1985-03-06 1986-03-05 Optical high density recording mediums, method for making same and method for recording optical information in the medium
DE3689891T DE3689891T2 (de) 1985-03-06 1986-03-05 Optische Aufzeichnungsmedien mit hoher Dichte, Verfahren zu deren Herstellung und Verfahren um optische Informationen in diesem Medium aufzuzeichnen.
US07/145,686 US4845021A (en) 1985-03-06 1988-01-14 Method for recording optical information in optical high density recording mediums

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60231519A JPS6290649A (ja) 1985-10-17 1985-10-17 光学記録媒体

Publications (2)

Publication Number Publication Date
JPS6290649A JPS6290649A (ja) 1987-04-25
JPH0443571B2 true JPH0443571B2 (de) 1992-07-17

Family

ID=16924754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60231519A Granted JPS6290649A (ja) 1985-03-06 1985-10-17 光学記録媒体

Country Status (1)

Country Link
JP (1) JPS6290649A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62147454A (ja) * 1985-12-20 1987-07-01 Matsushita Electric Ind Co Ltd 光学記録媒体
JPH02105346A (ja) * 1988-10-13 1990-04-17 Fuji Electric Co Ltd 光記録媒体
JP2695264B2 (ja) * 1990-01-09 1997-12-24 シャープ株式会社 光記録及び読み出し方法
JP2617231B2 (ja) * 1990-01-09 1997-06-04 シャープ株式会社 光記録及び読み出し方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923897A (de) * 1972-06-28 1974-03-02
JPS59152528A (ja) * 1983-02-18 1984-08-31 Fujitsu Ltd 光学式記録装置
JPS61116353A (ja) * 1984-10-25 1986-06-03 Matsushita Electric Ind Co Ltd 色素被膜

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4923897A (de) * 1972-06-28 1974-03-02
JPS59152528A (ja) * 1983-02-18 1984-08-31 Fujitsu Ltd 光学式記録装置
JPS61116353A (ja) * 1984-10-25 1986-06-03 Matsushita Electric Ind Co Ltd 色素被膜

Also Published As

Publication number Publication date
JPS6290649A (ja) 1987-04-25

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