ATE150694T1 - Formvorrichtung zur herstellung eines scheibenförmigen substrates und mittels dieser formvorrichtung hergestelltes scheibenförmiges substrat - Google Patents

Formvorrichtung zur herstellung eines scheibenförmigen substrates und mittels dieser formvorrichtung hergestelltes scheibenförmiges substrat

Info

Publication number
ATE150694T1
ATE150694T1 AT93400223T AT93400223T ATE150694T1 AT E150694 T1 ATE150694 T1 AT E150694T1 AT 93400223 T AT93400223 T AT 93400223T AT 93400223 T AT93400223 T AT 93400223T AT E150694 T1 ATE150694 T1 AT E150694T1
Authority
AT
Austria
Prior art keywords
disc substrate
disk
molding device
shaped substrate
metal mold
Prior art date
Application number
AT93400223T
Other languages
English (en)
Inventor
Jun Shimizu
Junichiro Kudo
Original Assignee
Sony Corp
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 JP4200292A external-priority patent/JP3301103B2/ja
Priority claimed from JP5694792A external-priority patent/JP3759174B2/ja
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE150694T1 publication Critical patent/ATE150694T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005Producing optically read record carriers, e.g. optical discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/26Apparatus or processes specially adapted for the manufacture of record carriers
    • G11B7/263Preparing and using a stamper, e.g. pressing or injection molding substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/263Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C2045/2657Drive means for the outer peripheral ring
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/81Sound record

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
AT93400223T 1992-01-31 1993-01-28 Formvorrichtung zur herstellung eines scheibenförmigen substrates und mittels dieser formvorrichtung hergestelltes scheibenförmiges substrat ATE150694T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4200292A JP3301103B2 (ja) 1992-01-31 1992-01-31 ディスク基板成形用金型装置
JP5694792A JP3759174B2 (ja) 1992-02-07 1992-02-07 ディスク基板成形用の金型装置

Publications (1)

Publication Number Publication Date
ATE150694T1 true ATE150694T1 (de) 1997-04-15

Family

ID=26381648

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93400223T ATE150694T1 (de) 1992-01-31 1993-01-28 Formvorrichtung zur herstellung eines scheibenförmigen substrates und mittels dieser formvorrichtung hergestelltes scheibenförmiges substrat

Country Status (4)

Country Link
US (1) US5427520A (de)
EP (1) EP0557147B1 (de)
AT (1) ATE150694T1 (de)
DE (1) DE69309134T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08183065A (ja) * 1994-12-28 1996-07-16 Seiko Giken:Kk ディスク成形金型
JP2713251B2 (ja) * 1995-07-20 1998-02-16 日本電気株式会社 射出成形用金型
JPH09150438A (ja) * 1995-11-28 1997-06-10 Seiko Giken:Kk 光ディスク基盤射出成形金型のスタンパプレート装着装置
US6002663A (en) * 1997-04-17 1999-12-14 Imation Corp. Hubless optical disc having low radial runout and method of manufacture
US5773040A (en) * 1997-05-30 1998-06-30 Seikoh Giken Co., Ltd. Disc molding die
SE512483C2 (sv) * 1997-06-27 2000-03-20 Toolex Alpha Ab Förfarande för framställning av masterskivenhet samt av en därav framställd pressmatris jämte adapterring för framställning av masterskivenheten
US6146125A (en) * 1998-04-24 2000-11-14 Husky Injection Molding Systems Ltd. Dynamic mold seal
US6143231A (en) * 1998-04-24 2000-11-07 Husky Injection Molding Systems Ltd. Dynamic mold seal
NL1012111C2 (nl) * 1999-05-20 2000-11-23 Axxicon Moulds Eindhoven Bv Spuitgietmatrijssamenstel.
JP4524893B2 (ja) * 2000-09-14 2010-08-18 ソニー株式会社 成形金型装置
JP2002240101A (ja) * 2000-12-15 2002-08-28 Sony Corp ディスク基板及びそれを射出成形する金型装置とディスク基板取出し用ロボット
US20020175446A1 (en) * 2001-05-24 2002-11-28 Friery Edward J. Injection mold inner core die and method of use
JP2002361692A (ja) * 2001-06-12 2002-12-18 Pioneer Electronic Corp ディスク成形装置、ディスク基板製造方法
WO2005095082A1 (ja) * 2004-03-31 2005-10-13 Sumitomo Heavy Industries, Ltd. ディスク成形用金型、鏡面板及び成形品
JP2009006615A (ja) * 2007-06-28 2009-01-15 Taiyo Yuden Co Ltd 光ディスクおよび成形用金型装置
JP4491024B2 (ja) * 2008-05-12 2010-06-30 株式会社東芝 金型装置
EP2607045A1 (de) * 2011-12-22 2013-06-26 Axxicon Moulds Eindhoven B.V. Spritzgiessstempelanordnung, Spritzgiessvorrichtung und Verfahren zur Herstellung von optischen Informationsträgern
FR3018472B1 (fr) * 2014-03-17 2017-01-06 Snecma Moule, en particulier moule d'injection et procede de moulage par injection utilisant un tel moule

Family Cites Families (25)

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FR1123873A (fr) * 1955-03-23 1956-10-01 Perfectionnements aux dispositifs de moulage pour matières thermoplastiques souples et analogues
CA917866A (en) * 1970-04-17 1973-01-02 Perego Giuseppe Injection moulding apparatus having ejector pins with oriented shaping surfaces for product removal
US4155698A (en) * 1975-04-08 1979-05-22 Albert Obrist Ag Method and apparatus for injection molding of plastic closures
CA1143517A (en) * 1979-04-18 1983-03-29 John R. Holmes Apparatus for producing centrally apertured record discs
JPS55148130A (en) * 1979-04-30 1980-11-18 Rca Corp Device for manufacturing disc record with molding center hole
IT1141411B (it) * 1979-04-30 1986-10-01 Rca Corp Metodo ed apparato per produrre dischi con il corrispondente foro ottenuto all'atto dello stampaggio
DD147522A1 (de) * 1979-12-03 1981-04-08 Arnd Wagner Auswerfer fuer ein spritzwerkzeug zum herstellen von kunststoffteilen
US4372741A (en) * 1980-10-31 1983-02-08 Discovision Associates Hot sprue valve assembly for an injection molding machine
US4334849A (en) * 1981-02-03 1982-06-15 Rca Corporation Apparatus for molding a recorded disc
DE3223133C2 (de) * 1982-06-21 1987-03-19 Polygram Gmbh, 2000 Hamburg Entformungseinrichtung für eine Preß- bzw. Spritzgußform zum Herstellen plattenförmiger Informationsträger auf Kunststoffbasis
NL8300478A (nl) * 1983-02-09 1984-09-03 Philips Nv Optisch uitleesbare geheugenschijf.
US4777004A (en) * 1985-10-09 1988-10-11 Galer Herbert W Apparatus and method for molding plastic paint cans
JPS62105616A (ja) * 1985-11-01 1987-05-16 Daicel Chem Ind Ltd 光デイスクの射出成形用金型
JPS62192945A (ja) * 1986-02-20 1987-08-24 Sony Corp 情報デイスク
JPH0664877B2 (ja) * 1986-11-05 1994-08-22 株式会社東芝 情報記憶媒体
EP0278358B1 (de) * 1987-02-06 1994-07-20 Sony Corporation Platte für Aufzeichnungs- und/oder Wiedergabegerät mit magnetischer Klemmvorrichtung
JPH0671739B2 (ja) * 1987-12-19 1994-09-14 パイオニア株式会社 情報記録ディスク基板の射出成形装置
JP2824486B2 (ja) * 1987-12-24 1998-11-11 ティーディーケイ 株式会社 光ディスク等用成型装置
EP0338906B1 (de) * 1988-04-16 1994-10-05 Daicel Chemical Industries, Ltd. Verfahren und Herstellung eines formatierten Substrates für eine optische Scheibe und Spritzform für dessen Verwendung
JP2642158B2 (ja) * 1988-08-16 1997-08-20 住友重機械工業株式会社 光ディスク基板成形用金型
US5180595A (en) * 1989-03-31 1993-01-19 Hitachi Maxell, Ltd. Metal mold for resin substrate for an optical recording medium
DE3939195C1 (de) * 1989-11-27 1991-04-18 Krauss-Maffei Ag, 8000 Muenchen, De
DE4008310C2 (de) * 1990-03-15 1994-10-06 Krauss Maffei Ag Vorrichtung zum Entnehmen von Spritzgießteilen
DE69119638T2 (de) * 1990-03-27 1996-10-24 Sony Corp Optische Platte
JPH0749211B2 (ja) * 1990-09-27 1995-05-31 河西工業株式会社 アンダーカット部を有する射出成形品とその製造方法

Also Published As

Publication number Publication date
DE69309134T2 (de) 1997-07-03
EP0557147A1 (de) 1993-08-25
EP0557147B1 (de) 1997-03-26
US5427520A (en) 1995-06-27
DE69309134D1 (de) 1997-04-30

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