JPS56165941A - Production of information medium - Google Patents

Production of information medium

Info

Publication number
JPS56165941A
JPS56165941A JP6864080A JP6864080A JPS56165941A JP S56165941 A JPS56165941 A JP S56165941A JP 6864080 A JP6864080 A JP 6864080A JP 6864080 A JP6864080 A JP 6864080A JP S56165941 A JPS56165941 A JP S56165941A
Authority
JP
Japan
Prior art keywords
information medium
thin film
substrate
rugged
layer
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
JP6864080A
Other languages
Japanese (ja)
Inventor
Masahiro Nanba
Tadashi Hikita
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP6864080A priority Critical patent/JPS56165941A/en
Publication of JPS56165941A publication Critical patent/JPS56165941A/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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

PURPOSE:To produce an information medium with good workability by transferring a rugged pattern original plate onto an information medium substrate by heating and pressing by way of a transfer thin film in producing the information medium provided with light reflective rugged patterns and a protection layer on the information medium substrate. CONSTITUTION:A transfer thin film 7 successively laminated with a transparent release layer 9, a thin metallic layer 10 by vapor deposition and an adhesive layer 11 on a thin base film 8 made of a resin is prepared. Thence, this thin film 7 is placed on the surface of an information medium substrate 12 consisting of a thermoplastic resin, by opposing its adhesive layer 11, a heated rugged pattern original plate 14 is put in pressure contact with the thin film 7 by a heating stamper 13. Then, the adhesive layer 11 bonds to the surface of the substrate 12, and the rugged patterns of the original plate 14 are engraved and transferred on the surface of the substrate 12 via the thin film 7. If the base film 8 is peeled, the intended information medium having the light reflective rugged patterns 10 and the protection layer 9 on the surface is obtained.
JP6864080A 1980-05-22 1980-05-22 Production of information medium Pending JPS56165941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6864080A JPS56165941A (en) 1980-05-22 1980-05-22 Production of information medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6864080A JPS56165941A (en) 1980-05-22 1980-05-22 Production of information medium

Publications (1)

Publication Number Publication Date
JPS56165941A true JPS56165941A (en) 1981-12-19

Family

ID=13379522

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6864080A Pending JPS56165941A (en) 1980-05-22 1980-05-22 Production of information medium

Country Status (1)

Country Link
JP (1) JPS56165941A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298039A (en) * 1986-06-17 1987-12-25 Kyodo Printing Co Ltd Transfer type optical recording medium
EP0286938A2 (en) * 1987-04-15 1988-10-19 BASF Aktiengesellschaft Irreversible optical recording media and method of manufacture
EP0292675A2 (en) * 1987-04-15 1988-11-30 BASF Aktiengesellschaft Irreversible optical recording media and method of manufacture

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62298039A (en) * 1986-06-17 1987-12-25 Kyodo Printing Co Ltd Transfer type optical recording medium
EP0286938A2 (en) * 1987-04-15 1988-10-19 BASF Aktiengesellschaft Irreversible optical recording media and method of manufacture
EP0292675A2 (en) * 1987-04-15 1988-11-30 BASF Aktiengesellschaft Irreversible optical recording media and method of manufacture

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