JPH0470619B2 - - Google Patents

Info

Publication number
JPH0470619B2
JPH0470619B2 JP63087259A JP8725988A JPH0470619B2 JP H0470619 B2 JPH0470619 B2 JP H0470619B2 JP 63087259 A JP63087259 A JP 63087259A JP 8725988 A JP8725988 A JP 8725988A JP H0470619 B2 JPH0470619 B2 JP H0470619B2
Authority
JP
Japan
Prior art keywords
photochromic compound
monomer
layer
general formula
aggregate
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
JP63087259A
Other languages
English (en)
Japanese (ja)
Other versions
JPH01259353A (ja
Inventor
Taku Hashida
Junichi Hibino
Eiji Ando
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
Agency of Industrial Science and Technology
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 Agency of Industrial Science and Technology filed Critical Agency of Industrial Science and Technology
Priority to JP63087259A priority Critical patent/JPH01259353A/ja
Publication of JPH01259353A publication Critical patent/JPH01259353A/ja
Publication of JPH0470619B2 publication Critical patent/JPH0470619B2/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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00—Photosensitive materials
    • G03C1/685—Compositions containing spiro-condensed pyran compounds or derivatives thereof, as photosensitive substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP63087259A 1988-04-11 1988-04-11 光学記録媒体および記録状態の検出方法 Granted JPH01259353A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP63087259A JPH01259353A (ja) 1988-04-11 1988-04-11 光学記録媒体および記録状態の検出方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63087259A JPH01259353A (ja) 1988-04-11 1988-04-11 光学記録媒体および記録状態の検出方法

Publications (2)

Publication Number Publication Date
JPH01259353A JPH01259353A (ja) 1989-10-17
JPH0470619B2 true JPH0470619B2 (enrdf_load_stackoverflow) 1992-11-11

Family

ID=13909776

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63087259A Granted JPH01259353A (ja) 1988-04-11 1988-04-11 光学記録媒体および記録状態の検出方法

Country Status (1)

Country Link
JP (1) JPH01259353A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0798934B2 (ja) * 1990-10-05 1995-10-25 松下電器産業株式会社 フォトクロミック材料および光学記録媒体
JP2975761B2 (ja) * 1991-03-04 1999-11-10 松下電器産業株式会社 フォトクロミック材料及びその組成物を用いた光学記録媒体
US5399451A (en) * 1991-03-14 1995-03-21 Matsushita Electric Industrial Co., Ltd. Optical recording medium and method for using the same

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59215382A (ja) * 1983-05-20 1984-12-05 Sony Corp 感光材料
JPS62147454A (ja) * 1985-12-20 1987-07-01 Matsushita Electric Ind Co Ltd 光学記録媒体
JPS62147456A (ja) * 1985-12-20 1987-07-01 Matsushita Electric Ind Co Ltd 光学記録媒体

Also Published As

Publication number Publication date
JPH01259353A (ja) 1989-10-17

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term