JPS6126141B2 - - Google Patents

Info

Publication number
JPS6126141B2
JPS6126141B2 JP53028418A JP2841878A JPS6126141B2 JP S6126141 B2 JPS6126141 B2 JP S6126141B2 JP 53028418 A JP53028418 A JP 53028418A JP 2841878 A JP2841878 A JP 2841878A JP S6126141 B2 JPS6126141 B2 JP S6126141B2
Authority
JP
Japan
Prior art keywords
light
metal film
pit
manufacturing
intensity
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
Application number
JP53028418A
Other languages
English (en)
Japanese (ja)
Other versions
JPS54121101A (en
Inventor
Shoji Itoya
Osamu Ito
Takahiro Kubo
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 JP2841878A priority Critical patent/JPS54121101A/ja
Publication of JPS54121101A publication Critical patent/JPS54121101A/ja
Publication of JPS6126141B2 publication Critical patent/JPS6126141B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)
JP2841878A 1978-03-13 1978-03-13 Production of information signal recording original disc Granted JPS54121101A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2841878A JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2841878A JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Publications (2)

Publication Number Publication Date
JPS54121101A JPS54121101A (en) 1979-09-20
JPS6126141B2 true JPS6126141B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1986-06-19

Family

ID=12248098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2841878A Granted JPS54121101A (en) 1978-03-13 1978-03-13 Production of information signal recording original disc

Country Status (1)

Country Link
JP (1) JPS54121101A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4607139B2 (ja) * 2007-03-19 2011-01-05 株式会社リコー 追記型情報記録媒体及びマスター基板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4948978A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-09-13 1974-05-11
JPS603690B2 (ja) * 1975-01-24 1985-01-30 ソニー株式会社 情報記録媒体の製造方法
JPS523405A (en) * 1975-06-27 1977-01-11 Canon Inc Signal recording appliance
JPS5821335B2 (ja) * 1975-11-29 1983-04-28 日本ビクター株式会社 エンバンジヨウジヨウホウシンゴウキロクバイタイ

Also Published As

Publication number Publication date
JPS54121101A (en) 1979-09-20

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