ATE174716T1 - Verfahren und vorrichtung zur herstellung von substraten einer optischen platte - Google Patents

Verfahren und vorrichtung zur herstellung von substraten einer optischen platte

Info

Publication number
ATE174716T1
ATE174716T1 AT93117505T AT93117505T ATE174716T1 AT E174716 T1 ATE174716 T1 AT E174716T1 AT 93117505 T AT93117505 T AT 93117505T AT 93117505 T AT93117505 T AT 93117505T AT E174716 T1 ATE174716 T1 AT E174716T1
Authority
AT
Austria
Prior art keywords
cavities
optical disc
producing substrates
resin material
mold half
Prior art date
Application number
AT93117505T
Other languages
English (en)
Inventor
Shimazu Seiki
Yoshimi Sakai
Kenji Yamaga
Atsushi Koyama
Yuichi Namikawa
Original Assignee
Tdk 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 JP6127493A external-priority patent/JPH06246794A/ja
Priority claimed from JP5260419A external-priority patent/JP2957392B2/ja
Application filed by Tdk Corp filed Critical Tdk Corp
Application granted granted Critical
Publication of ATE174716T1 publication Critical patent/ATE174716T1/de

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • B29C2045/2651—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using a plurality of mould cavities
    • 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
    • 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
AT93117505T 1992-11-04 1993-10-28 Verfahren und vorrichtung zur herstellung von substraten einer optischen platte ATE174716T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP31791692 1992-11-04
JP6127493A JPH06246794A (ja) 1993-02-26 1993-02-26 ディスクの成形方法及び装置
JP5260419A JP2957392B2 (ja) 1992-11-04 1993-09-27 光ディスクの成形方法およびその装置

Publications (1)

Publication Number Publication Date
ATE174716T1 true ATE174716T1 (de) 1999-01-15

Family

ID=27297449

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93117505T ATE174716T1 (de) 1992-11-04 1993-10-28 Verfahren und vorrichtung zur herstellung von substraten einer optischen platte

Country Status (5)

Country Link
US (2) US5458821A (de)
EP (1) EP0596413B1 (de)
KR (1) KR100278213B1 (de)
AT (1) ATE174716T1 (de)
DE (1) DE69322606T2 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6190592B1 (en) * 1994-09-21 2001-02-20 Fuji Photo Film Co., Ltd. Method for producing flanges of a photo film cassette
US5997276A (en) * 1995-02-14 1999-12-07 Sanyo Electric Co., Ltd. Optical disc manufacturing apparatus
JPH09201839A (ja) * 1996-01-24 1997-08-05 Meiki Co Ltd コンプレッション成形方法およびコンプレッション成形機
EP0791448A3 (de) * 1996-02-26 1999-05-12 HERBST, Richard Verfahren und Vorrichtung zum Spritzgiessen von Kunststoffteilen
CH692383A5 (de) * 1997-09-16 2002-05-31 Kk Holding Ag Verfahren zur Regelung der Heisskanalheizung eines Mehrkavitäten-Spritzgiesswerkzeugs.
NL1010869C2 (nl) * 1998-12-22 2000-06-30 Axxicon Moulds Eindhoven Bv Meervoudige spuitgieteenheid.
DE60028756T2 (de) * 1999-04-14 2007-05-31 Pressco Technology, Inc., Cleveland Methode und vorrichtung zur handhabung von ausgeworfenen sprtizgussteilen
NL1012256C2 (nl) * 1999-06-08 2000-12-15 Axxicon Moulds Eindhoven Bv Doseeropening voor een spuitgietmatrijs.
JP3406561B2 (ja) * 2000-03-21 2003-05-12 住友重機械工業株式会社 射出成形機の製品突出し装置
JP2001344827A (ja) * 2000-05-30 2001-12-14 Kitano Engineering Kk 光ディスク及びその光ディスクの製造方法
US6729870B2 (en) 2001-11-06 2004-05-04 Imation Corp. Multi-cavity optical disc mold
US7229266B2 (en) * 2004-03-23 2007-06-12 Komag, Inc. Press die alignment
JP4345064B2 (ja) * 2005-03-25 2009-10-14 セイコーエプソン株式会社 光電変換素子の製造方法、および電子機器
EP1888322B1 (de) * 2005-05-03 2015-06-03 Fokker Landing Gear B.V. Verfahren und vorrichtung zum einspritzen von harz in mindestens eine faserschicht eines herzustellenden faserverstärkten produkts
US7771181B2 (en) * 2005-11-14 2010-08-10 3M Innovative Properties Company Gasket molding system for membrane electrode assemblies
JP4647568B2 (ja) * 2006-09-12 2011-03-09 東洋機械金属株式会社 射出成形機
US20080265465A1 (en) * 2007-04-24 2008-10-30 Husky Injection Molding Systems Ltd. Apparatus for Injection Compression Molding and Method of Molding Articles
WO2014010560A1 (ja) * 2012-07-09 2014-01-16 オリンパス株式会社 成形品の成形金型構造および成形品の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008031A (en) * 1975-08-22 1977-02-15 Weber Hermann P Apparatus for injection molding lenses
US3989436A (en) * 1975-12-18 1976-11-02 Rca Corporation Apparatus for producing injection molded and centrally apertured disc records
JPS6225027A (ja) * 1985-07-25 1987-02-03 Aisin Seiki Co Ltd 射出成形装置
US4828769A (en) * 1986-05-05 1989-05-09 Galic/Maus Ventures Method for injection molding articles
JPH01241420A (ja) * 1988-03-24 1989-09-26 Komatsu Ltd 射出圧縮成形機の成形方法およびその成形装置
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
JPH0675892B2 (ja) * 1988-09-01 1994-09-28 株式会社名機製作所 ディスク用成形型
JP2636903B2 (ja) * 1988-09-30 1997-08-06 株式会社リコー 光ディスク基板の射出成形用金型
JP2748491B2 (ja) * 1989-02-06 1998-05-06 三菱瓦斯化学株式会社 射出成形品の製造法
US5015426A (en) * 1989-05-18 1991-05-14 Galic Maus Ventures Precision single cavity and multicavity plastic injection molding via an adaptive mold process
US5244606A (en) * 1992-06-08 1993-09-14 Galic Maus Ventures Faster cycling method and apparatus for optical disk removal from injection mold

Also Published As

Publication number Publication date
US5458821A (en) 1995-10-17
KR100278213B1 (ko) 2001-01-15
US5648105A (en) 1997-07-15
DE69322606T2 (de) 1999-07-15
KR940012261A (ko) 1994-06-23
EP0596413B1 (de) 1998-12-16
DE69322606D1 (de) 1999-01-28
EP0596413A2 (de) 1994-05-11
EP0596413A3 (de) 1995-01-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee