AT347147B - RECORDING MEDIA AND METHOD OF MANUFACTURING A RECORDING MEDIA - Google Patents

RECORDING MEDIA AND METHOD OF MANUFACTURING A RECORDING MEDIA

Info

Publication number
AT347147B
AT347147B AT755773A AT755773A AT347147B AT 347147 B AT347147 B AT 347147B AT 755773 A AT755773 A AT 755773A AT 755773 A AT755773 A AT 755773A AT 347147 B AT347147 B AT 347147B
Authority
AT
Austria
Prior art keywords
recording media
manufacturing
recording
media
Prior art date
Application number
AT755773A
Other languages
German (de)
Other versions
ATA755773A (en
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Publication of ATA755773A publication Critical patent/ATA755773A/en
Application granted granted Critical
Publication of AT347147B publication Critical patent/AT347147B/en

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)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Magnetic Record Carriers (AREA)
AT755773A 1972-09-02 1973-08-30 RECORDING MEDIA AND METHOD OF MANUFACTURING A RECORDING MEDIA AT347147B (en)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
ATA755773A ATA755773A (en) 1978-04-15
AT347147B true AT347147B (en) 1978-12-11

Family

ID=26644798

Family Applications (1)

Application Number Title Priority Date Filing Date
AT755773A AT347147B (en) 1972-09-02 1973-08-30 RECORDING MEDIA AND METHOD OF MANUFACTURING A RECORDING MEDIA

Country Status (10)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2603888B2 (en) * 1975-02-24 1977-12-15 MCA Disco-Vision, Znc, Universal City, Calif. (V-StA.) Process for the production of a replica die for information carrier and die for the formation of video disc reproduction
US4305081A (en) 1976-03-19 1981-12-08 Rca Corporation Multilayer record blank for use in optical recording
JPS6034171B2 (en) * 1977-04-05 1985-08-07 ソニー株式会社 Video disk master using optical recording method
JPS6166242A (en) * 1984-09-06 1986-04-05 Matsushita Electric Ind Co Ltd Information recording master
DE3737455A1 (en) * 1986-11-06 1988-05-19 Westinghouse Electric Corp DEVICE AND METHOD FOR PRODUCING COLOR PATTERNS
DE3850165T2 (en) * 1987-04-08 1994-11-10 Nippon Telegraph & Telephone Method and device for producing matrices for optical disks and optical disks.
JPH01235044A (en) * 1988-03-14 1989-09-20 Nippon Telegr & Teleph Corp <Ntt> Optical disk substrate and its production
JP2735569B2 (en) * 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 Manufacturing method of optical disc master
JP2000113452A (en) * 1998-10-07 2000-04-21 Sony Corp Optical disk manufacturing apparatus, optical disk manufacturing method, optical disk, and optical disk reproducing method

Also Published As

Publication number Publication date
ATA755773A (en) 1978-04-15
DE2342285A1 (en) 1974-03-14
BE804332A (en) 1974-02-28
ES418367A1 (en) 1976-04-16
CA998173A (en) 1976-10-05
ES439625A1 (en) 1977-03-01
AR200876A1 (en) 1974-12-27
JPS4993002A (en) 1974-09-04
FR2199604B1 (en) 1979-08-03
IT990424B (en) 1975-06-20
AU5974673A (en) 1975-03-06
FR2199604A1 (en) 1974-04-12
DE2342285B2 (en) 1977-02-03
GB1447066A (en) 1976-08-25
JPS5652361B2 (en) 1981-12-11
CH570669A5 (en) 1975-12-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee