DE69705577D1 - Giessvorrichtung und -verfahren für optische Platten - Google Patents

Giessvorrichtung und -verfahren für optische Platten

Info

Publication number
DE69705577D1
DE69705577D1 DE69705577T DE69705577T DE69705577D1 DE 69705577 D1 DE69705577 D1 DE 69705577D1 DE 69705577 T DE69705577 T DE 69705577T DE 69705577 T DE69705577 T DE 69705577T DE 69705577 D1 DE69705577 D1 DE 69705577D1
Authority
DE
Germany
Prior art keywords
optical disks
casting device
casting
disks
optical
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
DE69705577T
Other languages
English (en)
Other versions
DE69705577T2 (de
Inventor
Nobuyuki Arakawa
Toshiyuki Kashiwagi
Asao Kurosu
Yuji Akiyama
Shinsuke Kishi
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.)
Sony Music Solutions Inc
Sony Corp
Original Assignee
Sony Corp
Sony Disc Technology 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
Priority claimed from JP10772996A external-priority patent/JPH09293279A/ja
Priority claimed from JP14499096A external-priority patent/JP3512139B2/ja
Application filed by Sony Corp, Sony Disc Technology Inc filed Critical Sony Corp
Publication of DE69705577D1 publication Critical patent/DE69705577D1/de
Application granted granted Critical
Publication of DE69705577T2 publication Critical patent/DE69705577T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • 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
    • B29C2045/2659—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs for making substrates for laminated disks
    • 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
    • B29C2045/2667—Particular inner or outer peripheral portions of the substrate
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical 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)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
DE69705577T 1996-04-26 1997-04-25 Giessvorrichtung und -verfahren für optische Platten Expired - Lifetime DE69705577T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10772996A JPH09293279A (ja) 1996-04-26 1996-04-26 光学記録媒体の基板の射出成形用スタンパーとその製造方法
JP14499096A JP3512139B2 (ja) 1996-05-15 1996-05-15 光ディスク成形装置及び光ディスクの成形方法

Publications (2)

Publication Number Publication Date
DE69705577D1 true DE69705577D1 (de) 2001-08-16
DE69705577T2 DE69705577T2 (de) 2002-06-06

Family

ID=26447743

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69705577T Expired - Lifetime DE69705577T2 (de) 1996-04-26 1997-04-25 Giessvorrichtung und -verfahren für optische Platten

Country Status (5)

Country Link
US (1) US5852329A (de)
EP (1) EP0803339B1 (de)
KR (1) KR100515080B1 (de)
CN (1) CN1127727C (de)
DE (1) DE69705577T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10275362A (ja) * 1997-03-31 1998-10-13 Toshiba Emi Ltd 光学式貼り合わせディスク及びその成形金型
DE60003427T2 (de) * 1999-06-07 2004-05-19 Imation Corp., Saint Paul Verfahren zur herstellung einer optischen platte mit reduziertem kantenkeil
JP3749470B2 (ja) * 2001-11-07 2006-03-01 Ｔｄｋ株式会社 ディスク状基板材料の製造方法
NL1028737C2 (nl) * 2005-04-11 2006-10-12 Axxicon Moulds Eindhoven Bv Matrijssamenstel en/of stamper.
GB0805904D0 (en) * 2008-04-01 2008-05-07 Reckitt Benckiser Nv Injection moulding process
CN203901640U (zh) * 2014-06-20 2014-10-29 林喜斌 一种数码光盘基片的成型模具

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
FR2601287B1 (fr) * 1986-07-08 1989-02-24 Nacryl Sa Procede de fabrication d'articles de mercerie par injection dans un bosselage forme a partir d'au moins deux demi-bosselages mobiles menages dans les parties mobiles d'un moule et son moule pour la mise en oeuvre.
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
JPH01300442A (ja) * 1988-05-30 1989-12-04 Matsushita Electric Ind Co Ltd 光ディスク基板の製造方法
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
JPH0556420A (ja) * 1991-06-21 1993-03-05 Oki Electric Ind Co Ltd 画像符号化伝送レート制御方式

Also Published As

Publication number Publication date
CN1176455A (zh) 1998-03-18
KR100515080B1 (ko) 2005-11-25
DE69705577T2 (de) 2002-06-06
KR970076598A (ko) 1997-12-12
EP0803339A1 (de) 1997-10-29
US5852329A (en) 1998-12-22
CN1127727C (zh) 2003-11-12
EP0803339B1 (de) 2001-07-11

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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: SONY CORP., TOKIO/TOKYO, JP

Owner name: SONY DISC & DIGITAL SOLUTIONS INC., YOKOHAMA, KANA

8327 Change in the person/name/address of the patent owner

Owner name: SONY DISC & DIGITAL SOLUTIONS INC., TOKIO/TOKYO, J

8327 Change in the person/name/address of the patent owner

Owner name: SONY CORP., TOKIO/TOKYO, JP

Owner name: SONY DISC & DIGITAL SOLUTIONS INC., TOKIO/TOKYO, J