JPS649281A - Photochromic material and optical recording medium - Google Patents

Photochromic material and optical recording medium

Info

Publication number
JPS649281A
JPS649281A JP16399187A JP16399187A JPS649281A JP S649281 A JPS649281 A JP S649281A JP 16399187 A JP16399187 A JP 16399187A JP 16399187 A JP16399187 A JP 16399187A JP S649281 A JPS649281 A JP S649281A
Authority
JP
Japan
Prior art keywords
fulgide
formula
photochromic material
recording medium
optical recording
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.)
Granted
Application number
JP16399187A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0343316B2 (enrdf_load_stackoverflow
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 JP16399187A priority Critical patent/JPS649281A/ja
Publication of JPS649281A publication Critical patent/JPS649281A/ja
Publication of JPH0343316B2 publication Critical patent/JPH0343316B2/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
    • G03C1/72—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705
    • G03C1/73—Photosensitive compositions not covered by the groups G03C1/005 - G03C1/705 containing organic compounds

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)
JP16399187A 1987-07-02 1987-07-02 Photochromic material and optical recording medium Granted JPS649281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16399187A JPS649281A (en) 1987-07-02 1987-07-02 Photochromic material and optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16399187A JPS649281A (en) 1987-07-02 1987-07-02 Photochromic material and optical recording medium

Publications (2)

Publication Number Publication Date
JPS649281A true JPS649281A (en) 1989-01-12
JPH0343316B2 JPH0343316B2 (enrdf_load_stackoverflow) 1991-07-02

Family

ID=15784683

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16399187A Granted JPS649281A (en) 1987-07-02 1987-07-02 Photochromic material and optical recording medium

Country Status (1)

Country Link
JP (1) JPS649281A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385344A3 (en) * 1989-02-27 1992-01-29 Matsushita Electric Industrial Co., Ltd. Optical storage media
US5399451A (en) * 1991-03-14 1995-03-21 Matsushita Electric Industrial Co., Ltd. Optical recording medium and method for using the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331656A (en) * 1976-08-31 1978-03-25 Heller Harold G Photochrome compound

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5331656A (en) * 1976-08-31 1978-03-25 Heller Harold G Photochrome compound

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0385344A3 (en) * 1989-02-27 1992-01-29 Matsushita Electric Industrial Co., Ltd. Optical storage media
US5399451A (en) * 1991-03-14 1995-03-21 Matsushita Electric Industrial Co., Ltd. Optical recording medium and method for using the same

Also Published As

Publication number Publication date
JPH0343316B2 (enrdf_load_stackoverflow) 1991-07-02

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term