JPS56119948A - Production of video disc - Google Patents

Production of video disc

Info

Publication number
JPS56119948A
JPS56119948A JP2243280A JP2243280A JPS56119948A JP S56119948 A JPS56119948 A JP S56119948A JP 2243280 A JP2243280 A JP 2243280A JP 2243280 A JP2243280 A JP 2243280A JP S56119948 A JPS56119948 A JP S56119948A
Authority
JP
Japan
Prior art keywords
film
disc
transparent
resin
steps
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
JP2243280A
Other languages
Japanese (ja)
Inventor
Yoichi Tanigawa
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP2243280A priority Critical patent/JPS56119948A/en
Publication of JPS56119948A publication Critical patent/JPS56119948A/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

Landscapes

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

Abstract

PURPOSE:To decrease the steps of a process for laminating disc by using the same resin material for a protecting film and adhesive for the aluminum vapor-deposited surface of a disc thereby decreasing the number of resin coating steps of the process and the varieties of the resins which are used as materials. CONSTITUTION:A transparent substrate 1 is made of transparent plastics, and is formed by using the nickel stamper made on a basis of an oridingal recording disc formed with the pits corresponding to the predetermined information to be recorded. A reflection film 3 made of aluminum is vapor-deposited on the surface of said transparent substrate 1 formed with the pits 2. A protective film is formed on the reflecton film 3 of the substrate 1 and a resin is coated on two transparent substrates. The resin layer 4 formed in this way is used as a protection film for the reflection film 3 and serves as an adhesive material in the process of laminating two sheets of the transparent substrates, thereby reducing the number of process steps and reducing the production cost.
JP2243280A 1980-02-25 1980-02-25 Production of video disc Pending JPS56119948A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2243280A JPS56119948A (en) 1980-02-25 1980-02-25 Production of video disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2243280A JPS56119948A (en) 1980-02-25 1980-02-25 Production of video disc

Publications (1)

Publication Number Publication Date
JPS56119948A true JPS56119948A (en) 1981-09-19

Family

ID=12082526

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2243280A Pending JPS56119948A (en) 1980-02-25 1980-02-25 Production of video disc

Country Status (1)

Country Link
JP (1) JPS56119948A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232931A (en) * 1975-09-09 1977-03-12 Fuji Heavy Ind Ltd Method for coating joint surfaces of two parts

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5232931A (en) * 1975-09-09 1977-03-12 Fuji Heavy Ind Ltd Method for coating joint surfaces of two parts

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