JPS5135308A - BIDEOSHUHASUSHINGOKIROKUNO FUKUSEIYOKATANO SEIZOHOHO - Google Patents

BIDEOSHUHASUSHINGOKIROKUNO FUKUSEIYOKATANO SEIZOHOHO

Info

Publication number
JPS5135308A
JPS5135308A JP8714975A JP8714975A JPS5135308A JP S5135308 A JPS5135308 A JP S5135308A JP 8714975 A JP8714975 A JP 8714975A JP 8714975 A JP8714975 A JP 8714975A JP S5135308 A JPS5135308 A JP S5135308A
Authority
JP
Japan
Prior art keywords
fukuseiyokatano
bideoshuhasushingokirokuno
seizohoho
fukuseiyokatano seizohoho
bideoshuhasushingokirokuno fukuseiyokatano
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
JP8714975A
Other languages
Japanese (ja)
Inventor
Kuroodo Dobowa Jan
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.)
TOMUSON BURANTO
Thomson-Brandt SA
Original Assignee
TOMUSON BURANTO
Thomson-Brandt SA
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 TOMUSON BURANTO, Thomson-Brandt SA filed Critical TOMUSON BURANTO
Publication of JPS5135308A publication Critical patent/JPS5135308A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2017/00—Carriers for sound or information
    • B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
    • B29L2017/003—Records or discs
    • B29L2017/005—CD''s, DVD''s

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
JP8714975A 1974-07-16 1975-07-16 BIDEOSHUHASUSHINGOKIROKUNO FUKUSEIYOKATANO SEIZOHOHO Pending JPS5135308A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424668A FR2278474A1 (en) 1974-07-16 1974-07-16 METHOD OF MANUFACTURING A MATRIX INTENDED FOR THE DUPLICATION OF A VIDEO-FREQUENCY SIGNAL RECORDING, AND A MATRIX SO OBTAINED

Publications (1)

Publication Number Publication Date
JPS5135308A true JPS5135308A (en) 1976-03-25

Family

ID=9141325

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8714975A Pending JPS5135308A (en) 1974-07-16 1975-07-16 BIDEOSHUHASUSHINGOKIROKUNO FUKUSEIYOKATANO SEIZOHOHO

Country Status (5)

Country Link
JP (1) JPS5135308A (en)
CA (1) CA1030788A (en)
FR (1) FR2278474A1 (en)
GB (1) GB1516121A (en)
IT (1) IT1039798B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL9400225A (en) * 1994-02-14 1995-09-01 Od & Me Bv Method for manufacturing a stamper for producing optical disks without the intervention of a master.

Also Published As

Publication number Publication date
FR2278474B1 (en) 1976-12-24
FR2278474A1 (en) 1976-02-13
IT1039798B (en) 1979-12-10
DE2531561A1 (en) 1976-02-05
DE2531561B2 (en) 1976-10-21
CA1030788A (en) 1978-05-09
GB1516121A (en) 1978-06-28

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