JPH0379774B2 - - Google Patents

Info

Publication number
JPH0379774B2
JPH0379774B2 JP59020733A JP2073384A JPH0379774B2 JP H0379774 B2 JPH0379774 B2 JP H0379774B2 JP 59020733 A JP59020733 A JP 59020733A JP 2073384 A JP2073384 A JP 2073384A JP H0379774 B2 JPH0379774 B2 JP H0379774B2
Authority
JP
Japan
Prior art keywords
stamper
glass
cell
pregroove
optical disk
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.)
Expired - Lifetime
Application number
JP59020733A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60173738A (ja
Inventor
Mikio Takeshima
Norihiro Funakoshi
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP2073384A priority Critical patent/JPS60173738A/ja
Publication of JPS60173738A publication Critical patent/JPS60173738A/ja
Publication of JPH0379774B2 publication Critical patent/JPH0379774B2/ja
Granted 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)
JP2073384A 1984-02-09 1984-02-09 光学ディスクの製造方法 Granted JPS60173738A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2073384A JPS60173738A (ja) 1984-02-09 1984-02-09 光学ディスクの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2073384A JPS60173738A (ja) 1984-02-09 1984-02-09 光学ディスクの製造方法

Publications (2)

Publication Number Publication Date
JPS60173738A JPS60173738A (ja) 1985-09-07
JPH0379774B2 true JPH0379774B2 (enrdf_load_stackoverflow) 1991-12-19

Family

ID=12035384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2073384A Granted JPS60173738A (ja) 1984-02-09 1984-02-09 光学ディスクの製造方法

Country Status (1)

Country Link
JP (1) JPS60173738A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW540046B (en) * 1999-09-01 2003-07-01 Matsushita Electric Ind Co Ltd Optical disk stamper mastering method and apparatus
ATE528117T1 (de) * 2001-08-30 2011-10-15 Bayer Technology Services Gmbh Verfahren zur herstellung von abformkörpern, insbesondere optischen strukturen, und deren verwendung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179532A (en) * 1976-04-09 1979-12-18 Polygram Gmbh Process for producing a disc-shaped information carrier which has information in the form of a beam-reflecting structure
JPS6027592B2 (ja) * 1977-10-26 1985-06-29 キヤノン株式会社 ヒ−トモ−ド記録方法
JPS54107705A (en) * 1978-02-10 1979-08-23 Pioneer Electronic Corp Method of fabricating information recording carrier
JPS5514510A (en) * 1978-07-15 1980-02-01 Pioneer Electronic Corp Information recording plate and its manufacture
JPS5814336A (ja) * 1981-07-20 1983-01-27 Toshiba Corp 情報記憶媒体およびその製造方法
JPS5922248A (ja) * 1982-07-28 1984-02-04 Sumitomo Bakelite Co Ltd プラスチツク製光デイスク

Also Published As

Publication number Publication date
JPS60173738A (ja) 1985-09-07

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