DE69417972D1 - Isolierte Formstruktur zum Spritzgiessen von optischen Platten - Google Patents

Isolierte Formstruktur zum Spritzgiessen von optischen Platten

Info

Publication number
DE69417972D1
DE69417972D1 DE69417972T DE69417972T DE69417972D1 DE 69417972 D1 DE69417972 D1 DE 69417972D1 DE 69417972 T DE69417972 T DE 69417972T DE 69417972 T DE69417972 T DE 69417972T DE 69417972 D1 DE69417972 D1 DE 69417972D1
Authority
DE
Germany
Prior art keywords
injection molding
mold structure
optical plates
molding optical
insulated mold
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 - Lifetime
Application number
DE69417972T
Other languages
English (en)
Other versions
DE69417972T2 (de
Inventor
Bang Mo Kim
Matthew Frank Niemeyer
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.)
SABIC Global Technologies BV
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE69417972D1 publication Critical patent/DE69417972D1/de
Application granted granted Critical
Publication of DE69417972T2 publication Critical patent/DE69417972T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2632—Stampers; Mountings thereof
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • B29C2043/023—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves
    • B29C2043/025—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface having a plurality of grooves forming a microstructure, i.e. fine patterning
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • B29C2043/3433—Feeding the material to the mould or the compression means using dispensing heads, e.g. extruders, placed over or apart from the moulds
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
    • B29C45/2632—Stampers; Mountings thereof
    • B29C2045/2634—Stampers; Mountings thereof mounting layers between stamper and mould or on the rear surface of the stamper
    • B29C2045/2636—Stampers; Mountings thereof mounting layers between stamper and mould or on the rear surface of the stamper insulating layers
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
    • 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
    • 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
DE69417972T 1993-08-31 1994-08-01 Isolierte Formstruktur zum Spritzgiessen von optischen Platten Expired - Lifetime DE69417972T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/114,540 US5458818A (en) 1993-08-31 1993-08-31 Insulated mold structure for injection molding of optical disks

Publications (2)

Publication Number Publication Date
DE69417972D1 true DE69417972D1 (de) 1999-05-27
DE69417972T2 DE69417972T2 (de) 1999-10-21

Family

ID=22355870

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69417972T Expired - Lifetime DE69417972T2 (de) 1993-08-31 1994-08-01 Isolierte Formstruktur zum Spritzgiessen von optischen Platten

Country Status (5)

Country Link
US (1) US5458818A (de)
EP (1) EP0640458B1 (de)
JP (1) JP3066254B2 (de)
DE (1) DE69417972T2 (de)
ES (1) ES2129589T3 (de)

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US6276656B1 (en) * 1992-07-14 2001-08-21 Thermal Wave Molding Corp. Mold for optimizing cooling time to form molded article
JPH06246797A (ja) * 1992-12-28 1994-09-06 Nippon Steel Chem Co Ltd 成形品外観へのヒケ防止方法および射出成形用金型
WO1996016781A1 (fr) * 1994-11-30 1996-06-06 Asahi Kasei Kogyo Kabushiki Kaisha Moule pour le moulage de resines synthetiques et procede de moulage utilisant ce moule
JP2955224B2 (ja) * 1995-12-28 1999-10-04 花王株式会社 光ディスク用基板の製造方法
GB9601289D0 (en) * 1996-01-23 1996-03-27 Nimbus Manufacturing Uk Limite Manufacture of optical data storage disc
JP3002418B2 (ja) * 1996-03-22 2000-01-24 株式会社精工技研 光ディスク成形用金型装置
JPH1064127A (ja) * 1996-08-19 1998-03-06 Matsushita Electric Ind Co Ltd 光ディスクの成形方法および成形装置
US5893998A (en) * 1997-02-21 1999-04-13 Sony Corporation Boundary apparatus for optical component molding
TW474866B (en) 1997-03-31 2002-02-01 Kuraray Co Process for producing resin molded article and mold used in the process
EP0872331A1 (de) * 1997-04-16 1998-10-21 Matsushita Electric Industrial Co., Ltd. Prägeplatten-Schutzschicht für eine Vorrichtung zum Spritzgiessen eines optischen Informationsträgers, Vorrichtung zum Spritzgiessen eines optischen Informationsträgers, Verfahren zum Spritzgiesen eines optischen Informationsträgers mit dem Prägeplatten-Schutzschicht
US6165407A (en) * 1997-05-28 2000-12-26 Mitsubishi Engineering-Plastics Corp. Mold assembly for molding thermoplastic resin and method of manufacturing molded article of thermoplastic resin
US5897814A (en) * 1997-06-13 1999-04-27 General Electric Company Method for injection molding of optical discs
TW412743B (en) * 1997-10-22 2000-11-21 Kuraray Co Method for manufacture eximer laser disk
US6146558A (en) * 1998-05-01 2000-11-14 General Electric Company Structure and method for molding optical disks
TW476958B (en) * 1999-02-09 2002-02-21 Ricoh Kk Optical disk and method of producing the same
US6464485B1 (en) * 1999-06-24 2002-10-15 Pioneer Corporation Ultrasonic injection mold for an optical disk
US6372175B1 (en) 1999-09-17 2002-04-16 General Electric Company Resin pellets for injection molding
JP2001176537A (ja) * 1999-12-21 2001-06-29 Toto Ltd 固体電解質型燃料電池
KR20010110775A (ko) * 2000-02-25 2001-12-13 야스이 쇼사꾸 폴리카보네이트 펠릿의 유지 방법
DE10027209A1 (de) * 2000-05-31 2001-12-20 Remaplan Anlagenbau Gmbh Verfahren zum Spritzpressen eines Formkörpers
JP2003014938A (ja) * 2001-04-12 2003-01-15 Mitsubishi Engineering Plastics Corp 透明樹脂製の導光板及びその成形方法、入れ子、金型組立体、並びに、面状光源装置
US7018572B2 (en) * 2001-06-11 2006-03-28 General Electric Company Method for producing data storage media
US6787071B2 (en) * 2001-06-11 2004-09-07 General Electric Company Method and apparatus for producing data storage media
JP2004001301A (ja) * 2002-05-31 2004-01-08 Sumitomo Heavy Ind Ltd 金型及びその製造方法
JP4057385B2 (ja) * 2002-09-27 2008-03-05 株式会社リコー プラスチック成形品の成形方法および射出成形用金型
DE10359321A1 (de) * 2003-12-17 2005-07-28 Unaxis Balzers Ag Glanzgradeinstellung
EP1731286A1 (de) 2004-03-31 2006-12-13 Sumitomo Heavy Industries, Ltd. Formwerkzeug für scheibe, formteil und formvorrichtung
KR100697210B1 (ko) * 2005-02-25 2007-03-21 스미도모쥬기가이고교 가부시키가이샤 디스크 성형용 금형, 성형품, 성형기 및 반상부재
JP4694287B2 (ja) * 2005-07-07 2011-06-08 ノア・テクノロジーズ・インターナショナル株式会社 成形用金型
US7919035B2 (en) * 2006-04-20 2011-04-05 Sumitomo Heavy Industries, Ltd. Resin molding apparatus and resin molding method
JP4717699B2 (ja) * 2006-04-21 2011-07-06 三菱化学メディア株式会社 ディスク成形金型、鏡面盤及び鏡面盤の製造方法
JP4750681B2 (ja) 2006-12-07 2011-08-17 住友重機械工業株式会社 断熱金型、金型部品、成形機及び断熱金型の製造方法
TW200826093A (en) * 2006-12-08 2008-06-16 Daxon Technology Inc Optical disk mold and method of forming the same
KR101273591B1 (ko) * 2007-01-22 2013-06-11 삼성전자주식회사 사출성형장치
JP5228352B2 (ja) * 2007-03-29 2013-07-03 コニカミノルタアドバンストレイヤー株式会社 光学素子成形用金型、光学素子成形用金型作成方法及び光学素子の製造方法
JP5211597B2 (ja) * 2007-09-13 2013-06-12 株式会社リコー 断熱構造を有するスタンパの製造方法
US8337192B2 (en) 2008-01-30 2012-12-25 The Boeing Company Thermally efficient tooling for composite component manufacturing
EP3352965A1 (de) 2015-09-25 2018-08-01 SABIC Global Technologies B.V. Formverfahren mit formeinsätzen und vorrichtung dafür
DK201870129A1 (en) 2018-02-27 2019-10-01 Lego A/S Process for manufacturing a mold component for injection molding

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FR2319477A1 (fr) * 1975-08-01 1977-02-25 Plastic Omnium Cie Nouveau procede de moulage de corps en matiere plastique, dispositif pour la mise en oeuvre de ce procede et produit obtenu a l'aide de ce procede
US4225109A (en) * 1978-07-06 1980-09-30 Osaka City & Taiyo Manufacturing Works Co., Ltd. Insulated metal mold
JPH0662752B2 (ja) * 1984-08-24 1994-08-17 三菱化成株式会社 光情報材料
JPS625824A (ja) * 1985-07-02 1987-01-12 Matsushita Electric Ind Co Ltd デイスク基板の製造方法
JPS6231801A (ja) * 1985-08-02 1987-02-10 Teijin Chem Ltd 光学用成形品
JPS62180541A (ja) * 1986-02-03 1987-08-07 Seiko Epson Corp 射出成形用スタンパ
JPH0692530B2 (ja) * 1986-03-06 1994-11-16 三菱化成株式会社 光デイスク用ポリカ−ボネ−ト樹脂組成物
JPS6371325A (ja) * 1986-09-12 1988-03-31 Matsushita Electric Ind Co Ltd デイスク基板製造装置とその製造方法
JPH0675888B2 (ja) * 1986-11-28 1994-09-28 ソニー株式会社 デイスクの射出成形方法
US4774315A (en) * 1986-12-23 1988-09-27 General Electric Company Copoly isophthalate carbonate end-capped with paracumylphenol
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JPH0727662B2 (ja) * 1987-08-27 1995-03-29 出光石油化学株式会社 光ディスク基板
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US5068065A (en) * 1990-07-31 1991-11-26 Galic Maus Ventures Faster cycling sprue method and apparatus for injection molding plastic optical disks
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Also Published As

Publication number Publication date
JPH07178774A (ja) 1995-07-18
EP0640458A1 (de) 1995-03-01
JP3066254B2 (ja) 2000-07-17
EP0640458B1 (de) 1999-04-21
US5458818A (en) 1995-10-17
ES2129589T3 (es) 1999-06-16
DE69417972T2 (de) 1999-10-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SABIC INNOVATIVE PLASTICS IP B.V., BERGEN OP Z, NL

8328 Change in the person/name/address of the agent

Representative=s name: PATENT- UND RECHTSANWAELTE BARDEHLE, PAGENBERG, DO