NL7601470A - METHOD FOR THE MANUFACTURE OF PRESS DIES FOR VIDEO DISCS. - Google Patents

METHOD FOR THE MANUFACTURE OF PRESS DIES FOR VIDEO DISCS.

Info

Publication number: NL7601470A
Authority: NL; Netherlands
Prior art keywords: manufacture; video discs; press dies; dies; press
Prior art date: 1975-02-24

Application number

NL7601470A

Other languages

Dutch (nl)

Other versions

NL190461C (en

NL190461B (en

Original Assignee

Mca Disco Vision

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.)

1975-02-24

Filing date

1976-02-12

Publication date

1976-08-26

1976-02-12 Application filed by Mca Disco Vision filed Critical Mca Disco Vision

1976-08-26 Publication of NL7601470A publication Critical patent/NL7601470A/en

1993-10-01 Publication of NL190461B publication Critical patent/NL190461B/en

1994-03-01 Application granted granted Critical

1994-03-01 Publication of NL190461C publication Critical patent/NL190461C/en

Classifications

- 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
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/10—Moulds; Masks; Masterforms

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Moulds For Moulding Plastics Or The Like (AREA)
Manufacturing Optical Record Carriers (AREA)

NL7601470A 1975-02-24 1976-02-12 A method of manufacturing a die for making copies of video discs. NL190461C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US55224975A	1975-02-24	1975-02-24

Publications (3)

Publication Number	Publication Date
NL7601470A true NL7601470A (en)	1976-08-26
NL190461B NL190461B (en)	1993-10-01
NL190461C NL190461C (en)	1994-03-01

Family

ID=24204533

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7601470A NL190461C (en)	1975-02-24	1976-02-12	A method of manufacturing a die for making copies of video discs.

Country Status (6)

Country	Link
JP (2)	JPS51109801A (en)
CA (1)	CA1070261A (en)
DE (1)	DE2603888B2 (en)
FR (1)	FR2301355A1 (en)
GB (1)	GB1532545A (en)
NL (1)	NL190461C (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2721608A1 (en) *	1977-05-13	1978-11-16	Bosch Gmbh Robert	Stamping die for making video storage patterns on plastic disks - using volatile metal film contg. pattern for electroforming of die
JPS5952715B2 (en) *	1977-09-05	1984-12-21	ソニー株式会社	Metsuki method
NL7908858A (en) *	1979-12-10	1981-07-01	Philips Nv	METHOD FOR MANUFACTURING DIES FOR PLATE-SHAPED INFORMATION CONTAINERS, AND MATRIES MANUFACTURED BY THAT METHOD
JPS573239A (en) *	1980-06-06	1982-01-08	Hitachi Ltd	Manufacture of information carrier
IT1139503B (en) *	1980-10-27	1986-09-24	Rca Corp	HIGH DENSITY INFORMATION SUPPORT DISCS
JPS58158225A (en) *	1982-03-15	1983-09-20	Toshiba Corp	Manufacture of information recording substrate
EP0107913B1 (en) *	1982-09-29	1988-06-22	Kabushiki Kaisha Toshiba	Radiation-sensitive carrier body utilized as stamper structure
DE3337961A1 (en) *	1983-10-19	1985-05-09	Fa. Eduard Hueck, 5880 Lüdenscheid	Surface-structured female mould for producing embossed engravings on pressed plastic plates, plastic laminates and the like, and method of producing it
JPS60131652A (en) *	1983-12-20	1985-07-13	Matsushita Electric Ind Co Ltd	Signal recording stamper
DE3537483C1 (en) *	1985-10-22	1986-12-04	Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe	Process for producing a large number of plate-shaped microstructure bodies made of metal
DE3737483A1 (en) *	1987-11-05	1989-05-18	Philips & Du Pont Optical	Method for the reuse of glass substrates for optically readable high-density storage masters
EP1795497B1 (en) *	2005-12-09	2012-03-14	Obducat AB	Apparatus and method for transferring a pattern with intermediate stamp
FR3145725B1 (en)	2023-02-14	2025-01-10	Psa Automobiles Sa	METHOD FOR CONTROLLING THE STARTING OF A HEAT ENGINE IN A VEHICLE EQUIPPED WITH A HYBRID TRANSMISSION

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3585113A (en) *	1965-12-23	1971-06-15	Rca Corp	Process for fabricating replicating masters
JPS4944124B2 (en) *	1971-12-02	1974-11-26
AR200876A1 (en) *	1972-09-02	1974-12-27	Philips Nv	METHOD OF MANUFACTURING A DISCOIDAL INFORMATION CARRIER AND INFORMATION CARRIER MANUFACTURED BY SUCH METHOD
JPS5117451B2 (en) *	1972-10-17	1976-06-02
JPS5313580B2 (en) *	1973-02-08	1978-05-11

1976
- 1976-02-02 DE DE19762603888 patent/DE2603888B2/en active Granted
- 1976-02-03 GB GB420276A patent/GB1532545A/en not_active Expired
- 1976-02-12 NL NL7601470A patent/NL190461C/en not_active IP Right Cessation
- 1976-02-23 JP JP1873676A patent/JPS51109801A/en active Pending
- 1976-02-23 CA CA246,339A patent/CA1070261A/en not_active Expired
- 1976-02-23 FR FR7604926A patent/FR2301355A1/en active Granted
1978
- 1978-09-05 JP JP53108179A patent/JPS5916332B2/en not_active Expired

Also Published As

Publication number	Publication date
JPS55253A (en)	1980-01-05
FR2301355B1 (en)	1980-07-04
JPS51109801A (en)	1976-09-29
DE2603888A1 (en)	1976-09-02
DE2603888C3 (en)	1978-08-10
DE2603888B2 (en)	1977-12-15
GB1532545A (en)	1978-11-15
NL190461C (en)	1994-03-01
FR2301355A1 (en)	1976-09-17
JPS5916332B2 (en)	1984-04-14
CA1070261A (en)	1980-01-22
NL190461B (en)	1993-10-01

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Legal Events

Date	Code	Title	Description
1983-04-05	BC	A request for examination has been filed
1984-10-16	DNT	Communications of changes of names of applicants whose applications have been laid open to public inspection	Free format text: MCA VIDEODISC, INC.
1984-11-16	CNR	Transfer of rights (patent application after its laying openfor public ins pection)	Free format text: DISCOVISION ASSOCIATES
1985-01-01	A85	Still pending on 85-01-01
1996-04-01	V4	Lapsed because of reaching the maxim lifetime of a patent	Free format text: 960212