DE68919105D1 - Giessform zum Giessen eines Laminats für Informationssträger, Verfahren zum Vorbereiten des Laminats für den Informationsträger und Verfahren zum Vorbereiten des Informationsträgers durch Verwendung des Laminats. - Google Patents

Giessform zum Giessen eines Laminats für Informationssträger, Verfahren zum Vorbereiten des Laminats für den Informationsträger und Verfahren zum Vorbereiten des Informationsträgers durch Verwendung des Laminats.

Info

Publication number
DE68919105D1
DE68919105D1 DE68919105T DE68919105T DE68919105D1 DE 68919105 D1 DE68919105 D1 DE 68919105D1 DE 68919105 T DE68919105 T DE 68919105T DE 68919105 T DE68919105 T DE 68919105T DE 68919105 D1 DE68919105 D1 DE 68919105D1
Authority
DE
Germany
Prior art keywords
laminate
preparing
information carrier
casting
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 - Fee Related
Application number
DE68919105T
Other languages
English (en)
Other versions
DE68919105T2 (de
Inventor
Masataka Yashima
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Publication of DE68919105D1 publication Critical patent/DE68919105D1/de
Application granted granted Critical
Publication of DE68919105T2 publication Critical patent/DE68919105T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
    • B29C33/424—Moulding surfaces provided with means for marking or patterning
    • 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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • 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
    • 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
    • G11B7/263—Preparing and using a stamper, e.g. pressing or injection molding substrates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81—Sound record

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
DE68919105T 1988-03-17 1989-03-15 Giessform zum Giessen eines Laminats für Informationssträger, Verfahren zum Vorbereiten des Laminats für den Informationsträger und Verfahren zum Vorbereiten des Informationsträgers durch Verwendung des Laminats. Expired - Fee Related DE68919105T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6184488 1988-03-17

Publications (2)

Publication Number Publication Date
DE68919105D1 true DE68919105D1 (de) 1994-12-08
DE68919105T2 DE68919105T2 (de) 1995-03-23

Family

ID=13182802

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919105T Expired - Fee Related DE68919105T2 (de) 1988-03-17 1989-03-15 Giessform zum Giessen eines Laminats für Informationssträger, Verfahren zum Vorbereiten des Laminats für den Informationsträger und Verfahren zum Vorbereiten des Informationsträgers durch Verwendung des Laminats.

Country Status (4)

Country Link
US (2) US5026510A (de)
EP (1) EP0335172B1 (de)
DE (1) DE68919105T2 (de)
IT (1) IT1231192B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5234633A (en) * 1987-12-28 1993-08-10 Canon Kabushiki Kaisha Cast molding die and process for producing information recording medium using the same
US5026510A (en) * 1988-03-17 1991-06-25 Canon Kabushiki Kaisha Mold for cast molding substrate having preformat with information pits and method of using same
US5324188A (en) * 1989-12-19 1994-06-28 Canon Kabushiki Kaisha Roller stamper for molding a substrate sheet to become an information recording medium
US5281371A (en) * 1990-11-16 1994-01-25 Canon Kabushiki Kaisha Method and apparatus for forming substrate sheet for optical recording medium
US5742432A (en) * 1991-12-19 1998-04-21 Bianco; James S. Apparatus for manufacture of diffraction gratings for identification means
US5575962A (en) * 1994-12-02 1996-11-19 Lucent Technologies Inc. Method for fabricating optical quality molds with precision microfeatures
US6750073B2 (en) * 2002-09-30 2004-06-15 Minuta Technology Co., Ltd. Method for forming a mask pattern
US7573231B2 (en) * 2003-12-23 2009-08-11 Uniden Corporation Recharging terminal
CA2567936C (en) 2006-11-14 2016-01-05 Atomic Energy Of Canada Limited Device and method for surface replication

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882214A (en) * 1973-02-09 1975-05-06 Rca Corp Trapezoidal smooth grooves for video disc
FR2235449A1 (de) * 1973-06-29 1975-01-24 Thomson Brandt
NL7810462A (nl) * 1978-10-19 1980-04-22 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare stralingsreflekterende informatiestruktuur
FR2445761A1 (fr) * 1979-01-04 1980-08-01 Thomson Brandt Procede de fabrication de disques souples et dispositif destine a la mise en oeuvre de ce procede
US4430401A (en) * 1979-06-13 1984-02-07 Discovision Associates Method for producing a recording disc stamper
JPS58158225A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 情報記録用基板の製造方法
JPS6085724U (ja) * 1983-11-17 1985-06-13 シャープ株式会社 光メモリ円板
NL8402681A (nl) * 1984-09-03 1986-04-01 Philips Nv Optisch uitleesbare informatieschijf en methode voor de vervaardiging ervan.
JPS6192450A (ja) * 1984-10-11 1986-05-10 Sumitomo Bakelite Co Ltd 光学的記録媒体用基板および基板成形方法
EP0197256A3 (en) * 1985-02-11 1989-02-22 Arthur M. Gerber System and method for recording digital information
US4900902A (en) * 1985-12-19 1990-02-13 Canon Kabushiki Kaisha Data communication apparatus
US4743409A (en) * 1986-05-27 1988-05-10 Sekisui Kagaku Kogyo Kabushiki Kaisha Process for preparing a substrate for optical recording media
US5026510A (en) * 1988-03-17 1991-06-25 Canon Kabushiki Kaisha Mold for cast molding substrate having preformat with information pits and method of using same

Also Published As

Publication number Publication date
US5026510A (en) 1991-06-25
EP0335172A3 (de) 1992-01-02
EP0335172B1 (de) 1994-11-02
IT8947751A0 (it) 1989-03-17
DE68919105T2 (de) 1995-03-23
EP0335172A2 (de) 1989-10-04
IT1231192B (it) 1991-11-23
US5122313A (en) 1992-06-16

Similar Documents

Publication Publication Date Title
DE58902029D1 (de) Ladeluftkuehler, dichtung und verfahren zum zusammenbau des ladeluftkuehlers.
DE68917184T2 (de) Verfahren zur Herstellung eines geschweissten, wabenförmigen Kernes.
DE3785720D1 (de) Verfahren zum herstellen eines filmtraegers.
DE3484481D1 (de) Verfahren zum herstellen eines handschuhs.
DE69002372T2 (de) Stanzwalze zum Giessen von Lagen für optische Datenträger, Verfahren zu deren Herstellung und Verfahren zur Herstellung des damit herzustellenden Trägers.
AT388333B (de) Verfahren und vorrichtung zum herstellen eines einbandes, heftes od.dgl.
DE3771313D1 (de) Verfahren zum zusammenbau eines feuerbestaendigen behaelters.
DE3778716D1 (de) Verfahren zum positionieren eines wandlerkopfes.
DE69019090D1 (de) Verfahren zur herstellung eines wasserstoff enthaltenden 2,2-difluorpropans.
DE3778292D1 (de) Optisch lesbarer aufzeichnungstraeger zum aufzeichnen von informationen, verfahren und geraet zum herstellen eines derartigen aufzeichnungstraegers, geraet zum aufzeichnen von informationen auf einem derartigen aufzeichnungstraeger und geraet zur wiedergabe von auf einem derartigen aufzeichnungstraeger aufgezeichneten informationen.
DE58908303D1 (de) Faservlieskomposit und Verfahren zum Herstellen eines solchen Vlieses.
DE3581175D1 (de) Reifenform und vorrichtung zum vulkanisieren eines reifens durch elektromagnetische erwaermung.
DE58902246D1 (de) Verfahren zum betreiben eines schaltreglers.
DE3584755D1 (de) Frankiermaschine, vorrichtung und verfahren zur verwendung eines computergesteuerten gleichstrommotors zum einstellen der postgebuehrenaenderungsvorrichtung.
DE68915374T2 (de) Formmaschine zum spritzprägen und formverfahren durch verwendung derselben.
DE68919105D1 (de) Giessform zum Giessen eines Laminats für Informationssträger, Verfahren zum Vorbereiten des Laminats für den Informationsträger und Verfahren zum Vorbereiten des Informationsträgers durch Verwendung des Laminats.
DE3768070D1 (de) Verfahren zum regenerieren eines oxydationskatalysators.
DE3861750D1 (de) Werkzeug zum spannen und abscheiden eines haltebandes.
DE59009385D1 (de) Technisches Gerät, insbesondere elektromechanisches Laufwerk zum Bewegen von Informationsträgern, und Verfahren zur Herstellung von Funktionsteilen an einer Grundplatte des Gerätes.
ATE74544T1 (de) Verfahren zum steuern von schieberverschluessen, insbesondere an stranggiessanlagen.
DE58901568D1 (de) Verfahren zum aufnehmen einzelner flaechiger gebilde.
DE3777024D1 (de) Verfahren und vorrichtung, um einen magnetkopf freizugeben.
DE68917106D1 (de) Verfahren zum Regeln eines Turboladers.
DE68903728D1 (de) Verfahren zum etikettieren eines giesskoerpers, etikett dazu und giesskoerper.
DE3780138T2 (de) Verfahren zur herstellung eines verschleissfesten graugusseisens.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee