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JPS6418688A - Manufacture of rewriting type optical recording medium - Google Patents

Manufacture of rewriting type optical recording medium

Info

Publication number
JPS6418688A
JPS6418688A JP62173870A JP17387087A JPS6418688A JP S6418688 A JPS6418688 A JP S6418688A JP 62173870 A JP62173870 A JP 62173870A JP 17387087 A JP17387087 A JP 17387087A JP S6418688 A JPS6418688 A JP S6418688A
Authority
JP
Japan
Prior art keywords
macromolecule
preswollennetwork
pyran compound
resin composition
photosetting resin
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
JP62173870A
Other languages
Japanese (ja)
Other versions
JPH0784097B2 (en
Inventor
Makoto Tsunoda
Torahiko 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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP62173870A priority Critical patent/JPH0784097B2/en
Publication of JPS6418688A publication Critical patent/JPS6418688A/en
Publication of JPH0784097B2 publication Critical patent/JPH0784097B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/254—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers
    • G11B7/2542—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of protective topcoat layers consisting essentially of organic resins

Landscapes

  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

PURPOSE:To obtain a rewriting type optical recording medium on which rewriting can be performed in a photon mode by utilizing its photochromic characteristic, by a method wherein after making prepolymer of photosetting resin composition coating the surface of a substrate preswollennetwork macromolecule, a spiro pyran compound is introduced into a macromolecule matrix of the preswollennetwork macromolecule. CONSTITUTION:Photosetting resin composition 2 that sensitizer for photopolymerization and plasticizer are distributed to prepolymer having at least not less than two molecular terminal acrylate groups in the molecule, for instance, ethylene glycol di(meta) acrylate, is spread on a surface of a translucent of light reflective substrate 1, and above-mentioned prepolimer is made a preswollennetwork macromolecule by irradiation of light on said photosetting resin composition. Then, this preswolennetwork macromolecule is dipped in a polar solvent in which a spiro pyran compound is dissolved, and while the plasticizer in the preswollennetwork macromolecule is being replaced by the polar solvent, the spiro pyran compound is simultaneously put into the preswollennetwork macromolecule. The spyro pyran compound to be used herein is preferably that, as given by the below general formula, which is efficient in stability of recording preservaration and repetitive use and comparatively quick in photoreactivity.
JP62173870A 1987-07-14 1987-07-14 Method of manufacturing rewritable optical recording medium Expired - Lifetime JPH0784097B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62173870A JPH0784097B2 (en) 1987-07-14 1987-07-14 Method of manufacturing rewritable optical recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62173870A JPH0784097B2 (en) 1987-07-14 1987-07-14 Method of manufacturing rewritable optical recording medium

Publications (2)

Publication Number Publication Date
JPS6418688A true JPS6418688A (en) 1989-01-23
JPH0784097B2 JPH0784097B2 (en) 1995-09-13

Family

ID=15968661

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62173870A Expired - Lifetime JPH0784097B2 (en) 1987-07-14 1987-07-14 Method of manufacturing rewritable optical recording medium

Country Status (1)

Country Link
JP (1) JPH0784097B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0862513A1 (en) * 1995-08-21 1998-09-09 INNOTECH, Inc. Polymeric materials for photochromic applications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0862513A1 (en) * 1995-08-21 1998-09-09 INNOTECH, Inc. Polymeric materials for photochromic applications
EP0862513A4 (en) * 1995-08-21 1998-12-30 Innotech Inc Polymeric materials for photochromic applications

Also Published As

Publication number Publication date
JPH0784097B2 (en) 1995-09-13

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