CA998173A - Method of manufacturing an information carrier - Google Patents

Method of manufacturing an information carrier

Info

Publication number
CA998173A
CA998173A CA180,005A CA180005A CA998173A CA 998173 A CA998173 A CA 998173A CA 180005 A CA180005 A CA 180005A CA 998173 A CA998173 A CA 998173A
Authority
CA
Canada
Prior art keywords
manufacturing
information carrier
carrier
information
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
CA180,005A
Other languages
English (en)
Other versions
CA180005S (en
Inventor
Gerrit B. Gerritsen
Johannes Van Der Wal
Bernardus A.J. Jacobs
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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
Priority claimed from NL7212001A external-priority patent/NL7212001A/xx
Priority claimed from NL7212045A external-priority patent/NL7212045A/xx
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of CA998173A publication Critical patent/CA998173A/en
Expired 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
    • 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)
  • Magnetic Record Carriers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
CA180,005A 1972-09-02 1973-08-30 Method of manufacturing an information carrier Expired CA998173A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7212001A NL7212001A (enrdf_load_stackoverflow) 1972-09-02 1972-09-02
NL7212045A NL7212045A (enrdf_load_stackoverflow) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
CA998173A true CA998173A (en) 1976-10-05

Family

ID=26644798

Family Applications (1)

Application Number Title Priority Date Filing Date
CA180,005A Expired CA998173A (en) 1972-09-02 1973-08-30 Method of manufacturing an information carrier

Country Status (10)

Country Link
JP (1) JPS5652361B2 (enrdf_load_stackoverflow)
AR (1) AR200876A1 (enrdf_load_stackoverflow)
AT (1) AT347147B (enrdf_load_stackoverflow)
BE (1) BE804332A (enrdf_load_stackoverflow)
CA (1) CA998173A (enrdf_load_stackoverflow)
CH (1) CH570669A5 (enrdf_load_stackoverflow)
ES (2) ES418367A1 (enrdf_load_stackoverflow)
FR (1) FR2199604B1 (enrdf_load_stackoverflow)
GB (1) GB1447066A (enrdf_load_stackoverflow)
IT (1) IT990424B (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603888B2 (de) * 1975-02-24 1977-12-15 MCA Disco-Vision, Znc, Universal City, Calif. (V-StA.) Verfahren zum herstellen einer nachbildungsmatrize fuer informationstraeger und matrize zur bildung von videoplattenreproduktionen
US4305081A (en) 1976-03-19 1981-12-08 Rca Corporation Multilayer record blank for use in optical recording
JPS6034171B2 (ja) * 1977-04-05 1985-08-07 ソニー株式会社 光学記録方式によるビデオデイスク原盤
JPS6166242A (ja) * 1984-09-06 1986-04-05 Matsushita Electric Ind Co Ltd 情報記録原盤
DE3737455A1 (de) * 1986-11-06 1988-05-19 Westinghouse Electric Corp Einrichtung und verfahren zum erzeugen von farbmustern
DE3850165T2 (de) * 1987-04-08 1994-11-10 Nippon Telegraph & Telephone Verfahren und Gerät zur Herstellung von Matrizen für optische Platten und optischen Platten.
JPH01235044A (ja) * 1988-03-14 1989-09-20 Nippon Telegr & Teleph Corp <Ntt> 光ディスク基板およびその製造方法
JP2735569B2 (ja) * 1988-06-29 1998-04-02 日本電気ホームエレクトロニクス株式会社 光ディスク原盤の製造方法
JP2000113452A (ja) * 1998-10-07 2000-04-21 Sony Corp 光ディスクの製造装置、光ディスクの製造方法、光ディスク及び光ディスクの再生方法

Also Published As

Publication number Publication date
DE2342285B2 (de) 1977-02-03
IT990424B (it) 1975-06-20
BE804332A (fr) 1974-02-28
AR200876A1 (es) 1974-12-27
JPS5652361B2 (enrdf_load_stackoverflow) 1981-12-11
FR2199604A1 (enrdf_load_stackoverflow) 1974-04-12
ES439625A1 (es) 1977-03-01
FR2199604B1 (enrdf_load_stackoverflow) 1979-08-03
AT347147B (de) 1978-12-11
GB1447066A (en) 1976-08-25
AU5974673A (en) 1975-03-06
ATA755773A (de) 1978-04-15
ES418367A1 (es) 1976-04-16
CH570669A5 (enrdf_load_stackoverflow) 1975-12-15
JPS4993002A (enrdf_load_stackoverflow) 1974-09-04
DE2342285A1 (de) 1974-03-14

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