JPS5764345A - Manufacture of optical disk - Google Patents

Manufacture of optical disk

Info

Publication number
JPS5764345A
JPS5764345A JP13986980A JP13986980A JPS5764345A JP S5764345 A JPS5764345 A JP S5764345A JP 13986980 A JP13986980 A JP 13986980A JP 13986980 A JP13986980 A JP 13986980A JP S5764345 A JPS5764345 A JP S5764345A
Authority
JP
Japan
Prior art keywords
master
hardened resin
substrate
optical disk
subsequently
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
JP13986980A
Other languages
English (en)
Inventor
Yoshinori Miyamura
Toshimasa Kamisada
Motoyasu Terao
Shinkichi Horigome
Munehisa Mitsuya
Kazuo Shigematsu
Mitsushi Endo
Hiroshi Kitani
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP13986980A priority Critical patent/JPS5764345A/ja
Publication of JPS5764345A publication Critical patent/JPS5764345A/ja
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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP13986980A 1980-10-08 1980-10-08 Manufacture of optical disk Pending JPS5764345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13986980A JPS5764345A (en) 1980-10-08 1980-10-08 Manufacture of optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13986980A JPS5764345A (en) 1980-10-08 1980-10-08 Manufacture of optical disk

Publications (1)

Publication Number Publication Date
JPS5764345A true JPS5764345A (en) 1982-04-19

Family

ID=15255443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13986980A Pending JPS5764345A (en) 1980-10-08 1980-10-08 Manufacture of optical disk

Country Status (1)

Country Link
JP (1) JPS5764345A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182532A (ja) * 1984-03-01 1985-09-18 Matsushita Electric Ind Co Ltd 平板状情報記録担体複製金型
JPS61242832A (ja) * 1985-04-15 1986-10-29 イ−ストマン　コダック　カンパニ− 光学的記録デイスクの製作方法
JPS62117152A (ja) * 1985-11-18 1987-05-28 Yasuyoshi Sato シリンダ−レコ−ド

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk
JPS54138406A (en) * 1978-04-17 1979-10-26 Philips Nv Information disk and method of fabricating same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54130902A (en) * 1978-03-22 1979-10-11 Philips Nv Multilayer information disk
JPS54138406A (en) * 1978-04-17 1979-10-26 Philips Nv Information disk and method of fabricating same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60182532A (ja) * 1984-03-01 1985-09-18 Matsushita Electric Ind Co Ltd 平板状情報記録担体複製金型
JPS61242832A (ja) * 1985-04-15 1986-10-29 イ−ストマン　コダック　カンパニ− 光学的記録デイスクの製作方法
JPS62117152A (ja) * 1985-11-18 1987-05-28 Yasuyoshi Sato シリンダ−レコ−ド

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