JPH0367251B2 - - Google Patents

Info

Publication number
JPH0367251B2
JPH0367251B2 JP60231517A JP23151785A JPH0367251B2 JP H0367251 B2 JPH0367251 B2 JP H0367251B2 JP 60231517 A JP60231517 A JP 60231517A JP 23151785 A JP23151785 A JP 23151785A JP H0367251 B2 JPH0367251 B2 JP H0367251B2
Authority
JP
Japan
Prior art keywords
recording medium
optical recording
dye
spiropyran
recording method
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
JP60231517A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6290651A (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 JP60231517A priority Critical patent/JPS6290651A/ja
Priority to US06/836,625 priority patent/US4737427A/en
Priority to DE3689891T priority patent/DE3689891T2/de
Priority to EP86102848A priority patent/EP0193931B1/en
Publication of JPS6290651A publication Critical patent/JPS6290651A/ja
Priority to US07/145,686 priority patent/US4845021A/en
Publication of JPH0367251B2 publication Critical patent/JPH0367251B2/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
    • 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
    • G11B7/2475—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 merocyanine
    • 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)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
JP60231517A 1985-03-06 1985-10-17 光学記録媒体の記録方法 Granted JPS6290651A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP60231517A JPS6290651A (ja) 1985-10-17 1985-10-17 光学記録媒体の記録方法
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.
EP86102848A EP0193931B1 (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
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
JP60231517A JPS6290651A (ja) 1985-10-17 1985-10-17 光学記録媒体の記録方法

Publications (2)

Publication Number Publication Date
JPS6290651A JPS6290651A (ja) 1987-04-25
JPH0367251B2 true JPH0367251B2 (enrdf_load_stackoverflow) 1991-10-22

Family

ID=16924726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60231517A Granted JPS6290651A (ja) 1985-03-06 1985-10-17 光学記録媒体の記録方法

Country Status (1)

Country Link
JP (1) JPS6290651A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2808117B2 (ja) * 1988-06-27 1998-10-08 津田駒工業株式会社 よこ入れ制御方法
JP2732314B2 (ja) * 1989-03-24 1998-03-30 富士写真フイルム株式会社 光情報記録方法および情報記録媒体
JPH0816981B2 (ja) * 1989-07-31 1996-02-21 パイオニア株式会社 書換型フォトクロミック光ディスク再生装置
JP2559400Y2 (ja) * 1991-10-15 1998-01-14 株式会社パイオラックス リッドのロック装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5127279B2 (enrdf_load_stackoverflow) * 1972-06-28 1976-08-11

Also Published As

Publication number Publication date
JPS6290651A (ja) 1987-04-25

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