GB2187131B - Mold for molding optical disc - Google Patents

Mold for molding optical disc

Info

Publication number
GB2187131B
GB2187131B GB8702125A GB8702125A GB2187131B GB 2187131 B GB2187131 B GB 2187131B GB 8702125 A GB8702125 A GB 8702125A GB 8702125 A GB8702125 A GB 8702125A GB 2187131 B GB2187131 B GB 2187131B
Authority
GB
United Kingdom
Prior art keywords
mold
optical disc
molding optical
molding
disc
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
Application number
GB8702125A
Other languages
English (en)
Other versions
GB8702125D0 (en
GB2187131A (en
Inventor
Toshiaki Sakaida
Yoshihiko Yuzawa
Fumio Iriko
Fumio Kagawa
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Publication of GB8702125D0 publication Critical patent/GB8702125D0/en
Publication of GB2187131A publication Critical patent/GB2187131A/en
Application granted granted Critical
Publication of GB2187131B publication Critical patent/GB2187131B/en
Expired 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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2909/00—Use of inorganic materials not provided for in groups B29K2803/00 - B29K2807/00, as mould material
    • B29K2909/02—Ceramics
    • 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
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • 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
    • 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 & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacturing Optical Record Carriers (AREA)
GB8702125A 1986-02-05 1987-01-30 Mold for molding optical disc Expired GB2187131B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61023594A JPS62181118A (ja) 1986-02-05 1986-02-05 成形用金型

Publications (3)

Publication Number Publication Date
GB8702125D0 GB8702125D0 (en) 1987-03-04
GB2187131A GB2187131A (en) 1987-09-03
GB2187131B true GB2187131B (en) 1989-11-01

Family

ID=12114912

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8702125A Expired GB2187131B (en) 1986-02-05 1987-01-30 Mold for molding optical disc

Country Status (7)

Country Link
US (1) US4783041A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS62181118A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR940009888B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3703490A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2593742B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2187131B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL8700263A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2521258B2 (ja) * 1986-05-16 1996-08-07 日立マクセル株式会社 光記録媒体製造用成形機
US5174937A (en) * 1987-09-05 1992-12-29 Canon Kabushiki Kaisha Method for molding of substrate for information recording medium and method for preparing substrate for information recording medium
US5344304A (en) * 1987-09-05 1994-09-06 Canon Kabushiki Kaisha Mold for molding of substrate for information recording medium
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
DE68918623T2 (de) * 1988-04-16 1995-03-30 Daicel Chem Verfahren und Herstellung eines formatierten Substrates für eine optische Scheibe und Spritzform für dessen Verwendung.
WO1989010829A1 (en) * 1988-05-06 1989-11-16 Baresich Frank J Method of molding plastic and mold therefor
JP2519985B2 (ja) * 1988-08-25 1996-07-31 ダイセル化学工業株式会社 射出成形用スタンパ
JPH0350416U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-09-25 1991-05-16
GB2238974A (en) * 1989-12-13 1991-06-19 William Douglas Lamb Securing neck inserts into moulds for plastics bottles
US5112025A (en) * 1990-02-22 1992-05-12 Tdk Corporation Molds having wear resistant release coatings
NL9100366A (nl) * 1991-02-28 1992-09-16 Philips & Du Pont Optical Werkwijze voor het vervaardigen van een schijfvormige informatiedrager, informatiedrager vervaardigd volgens de werkwijze en inrichting voor het uitvoeren van de werkwijze.
JPH0560242A (ja) * 1991-08-28 1993-03-09 Japan Atom Energy Res Inst セラミツクス製真空容器及びその製造方法
WO1994020288A1 (en) * 1993-03-05 1994-09-15 Ict Axxicon B.V. Mould for manufacturing disc-shaped information carriers
US5538674A (en) * 1993-11-19 1996-07-23 Donnelly Corporation Method for reproducing holograms, kinoforms, diffractive optical elements and microstructures
US5536463A (en) * 1994-08-19 1996-07-16 Del-Met Corporation System and method for molding plastic wheel covers
US5620635A (en) * 1995-01-11 1997-04-15 Derozier; Gaston Ophthalmic lens manufacturing equipment and method
US5741446A (en) * 1995-05-26 1998-04-21 Mitsubishi Engineering-Plastics Corp. Method of producing a molded article using a mold assembly with an insert block
EP0752294B1 (de) * 1995-07-01 2000-06-21 Esec Sa Verfahren und Einrichtung zum Austragen von flüssigem Lot
US5893998A (en) * 1997-02-21 1999-04-13 Sony Corporation Boundary apparatus for optical component molding
US5897814A (en) * 1997-06-13 1999-04-27 General Electric Company Method for injection molding of optical discs
NL1008105C2 (nl) * 1998-01-23 1999-07-26 Axxicon Moulds Eindhoven Bv Spuitgietmatrijs.
US6146558A (en) * 1998-05-01 2000-11-14 General Electric Company Structure and method for molding optical disks
CN1343160A (zh) * 1999-03-12 2002-04-03 松下电器产业株式会社 光盘成形装置及其方法
WO2000071323A1 (en) * 1999-05-26 2000-11-30 Iaccess.Com, L.C. System and method for manufacturing specially shaped cd-roms utilizing injection molding
KR100566077B1 (ko) * 2002-10-17 2006-03-30 스미도모쥬기가이고교 가부시키가이샤 금형장치 및 그 제조방법, 성형방법, 성형품 및 성형기
JP3792689B2 (ja) * 2003-10-28 2006-07-05 ファナック株式会社 射出ノズルの位置合わせ装置
US8702412B2 (en) 2011-01-12 2014-04-22 Us Synthetic Corporation Superhard components for injection molds
US8512023B2 (en) 2011-01-12 2013-08-20 Us Synthetic Corporation Injection mold assembly including an injection mold cavity at least partially defined by a polycrystalline diamond material
DE102012005687B4 (de) 2012-03-21 2014-05-22 Kunststoff-Zentrum in Leipzig gemeinnützige Gesellschaft mbH Spritzgießwerkzeug mit Keramikeinsätzen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1087400A (en) * 1964-01-03 1967-10-18 Super Temp Corp Method and apparatus for consolidation of powdered materials and articles of manufacture produced therefrom
EP0121929A2 (en) * 1983-04-09 1984-10-17 Sinto Kogio, Ltd. Permeable mold

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3734449A (en) * 1970-10-14 1973-05-22 Tokyo Shibaura Electric Co Metal mold for injection molding
IT990526B (it) * 1972-02-02 1975-07-10 Deutsche Spiegelglas Ag Stampo di iniettofusione per la produzione di corpi a forma altamente polimerici in vetroce ramica
US4120930A (en) * 1974-08-08 1978-10-17 Lemelson Jerome H Method of coating a composite mold
US4225109A (en) * 1978-07-06 1980-09-30 Osaka City & Taiyo Manufacturing Works Co., Ltd. Insulated metal mold
EP0079860A1 (fr) * 1981-11-16 1983-05-25 Battelle Memorial Institute Empreinte pour matrice de moulage ou de pressage de précision de matière plastique notamment de disques d'enregistrement d'information et procédé de revêtement de cette empreinte
JPS58151223A (ja) * 1982-03-05 1983-09-08 Nippon Telegr & Teleph Corp <Ntt> 光デイスク基板の製造法及び成形金型
JPS5912806A (ja) * 1982-07-13 1984-01-23 Seikosha Co Ltd 成形型
JPS6067124A (ja) * 1983-09-22 1985-04-17 Daicel Chem Ind Ltd 高密度情報記録担体用プラスチックディスクの射出成形用スタンパー
US4614630A (en) * 1984-04-02 1986-09-30 Minnesota Mining And Manufacturing Co. Mold having ceramic insert, method for injection molding using the same
JPS61100425A (ja) * 1984-10-23 1986-05-19 Sekisui Chem Co Ltd プラスチツク成形用金型

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1087400A (en) * 1964-01-03 1967-10-18 Super Temp Corp Method and apparatus for consolidation of powdered materials and articles of manufacture produced therefrom
EP0121929A2 (en) * 1983-04-09 1984-10-17 Sinto Kogio, Ltd. Permeable mold

Also Published As

Publication number Publication date
FR2593742B1 (fr) 1990-02-23
GB8702125D0 (en) 1987-03-04
FR2593742A1 (fr) 1987-08-07
KR870008493A (ko) 1987-09-26
KR940009888B1 (ko) 1994-10-18
US4783041A (en) 1988-11-08
DE3703490A1 (de) 1987-08-06
NL8700263A (nl) 1987-09-01
JPS62181118A (ja) 1987-08-08
JPH0336653B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-06-03
GB2187131A (en) 1987-09-03

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020130