JPS6426846A - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
JPS6426846A
JPS6426846A JP62182139A JP18213987A JPS6426846A JP S6426846 A JPS6426846 A JP S6426846A JP 62182139 A JP62182139 A JP 62182139A JP 18213987 A JP18213987 A JP 18213987A JP S6426846 A JPS6426846 A JP S6426846A
Authority
JP
Japan
Prior art keywords
recording medium
optical recording
thin film
fulgide
photochromic compd
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.)
Pending
Application number
JP62182139A
Other languages
Japanese (ja)
Inventor
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 JP62182139A priority Critical patent/JPS6426846A/en
Publication of JPS6426846A publication Critical patent/JPS6426846A/en
Pending 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

Landscapes

  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)

Abstract

PURPOSE:To enable the formation of a very thin film maintaining recording characteristics over a long period by using a specified photochromic compd. CONSTITUTION:An optical recording medium is produced with a photochromic compd. represented by formula I (where R is 5-30C alkyl chain). The optical recording medium is a uniform, very thin film and has the photochromism of the fulgide and the recording life can be prolonged. The fulgide is formed into the thin film by the Langmuir-Blodgett's technique and the resulting optical recording medium is strong and has high stability.
JP62182139A 1987-07-23 1987-07-23 Optical recording medium Pending JPS6426846A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62182139A JPS6426846A (en) 1987-07-23 1987-07-23 Optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62182139A JPS6426846A (en) 1987-07-23 1987-07-23 Optical recording medium

Publications (1)

Publication Number Publication Date
JPS6426846A true JPS6426846A (en) 1989-01-30

Family

ID=16113027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62182139A Pending JPS6426846A (en) 1987-07-23 1987-07-23 Optical recording medium

Country Status (1)

Country Link
JP (1) JPS6426846A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407005A1 (en) * 1989-06-10 1991-01-09 THORN EMI plc Verification device for a security system
EP0446717A2 (en) * 1990-03-10 1991-09-18 BASF Aktiengesellschaft Photochromic monomers and polymers derived from them
US7465415B2 (en) 2004-07-30 2008-12-16 Ppg Industries Ohio, Inc. Photochromic materials derived from ring-opening monomers and photochromic initiators
US10523585B2 (en) 2014-12-19 2019-12-31 Amazon Technologies, Inc. System on a chip comprising multiple compute sub-systems

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220708A (en) * 1977-07-22 1980-09-02 Heller Harold G Photochromic compounds
JPS61138236A (en) * 1984-12-10 1986-06-25 Agency Of Ind Science & Technol Display element

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220708A (en) * 1977-07-22 1980-09-02 Heller Harold G Photochromic compounds
JPS61138236A (en) * 1984-12-10 1986-06-25 Agency Of Ind Science & Technol Display element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0407005A1 (en) * 1989-06-10 1991-01-09 THORN EMI plc Verification device for a security system
EP0446717A2 (en) * 1990-03-10 1991-09-18 BASF Aktiengesellschaft Photochromic monomers and polymers derived from them
US7465415B2 (en) 2004-07-30 2008-12-16 Ppg Industries Ohio, Inc. Photochromic materials derived from ring-opening monomers and photochromic initiators
US10523585B2 (en) 2014-12-19 2019-12-31 Amazon Technologies, Inc. System on a chip comprising multiple compute sub-systems

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