JPH1186353A - 光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機 - Google Patents

光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機

Info

Publication number
JPH1186353A
JPH1186353A JP9252859A JP25285997A JPH1186353A JP H1186353 A JPH1186353 A JP H1186353A JP 9252859 A JP9252859 A JP 9252859A JP 25285997 A JP25285997 A JP 25285997A JP H1186353 A JPH1186353 A JP H1186353A
Authority
JP
Japan
Prior art keywords
optical disk
disk substrate
stamper
injection molding
disk
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.)
Pending
Application number
JP9252859A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1186353A5 (enExample
Inventor
Tetsuya Iida
哲哉 飯田
Keiji Suga
圭二 菅
Tetsuya Imai
哲也 今井
Yoshitsugu Araki
良嗣 荒木
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP9252859A priority Critical patent/JPH1186353A/ja
Priority to US09/145,416 priority patent/US20020067688A1/en
Publication of JPH1186353A publication Critical patent/JPH1186353A/ja
Priority to US10/454,483 priority patent/US20030194464A1/en
Publication of JPH1186353A5 publication Critical patent/JPH1186353A5/ja
Pending 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
    • 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
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D17/00—Producing carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records; Producing record discs from master stencils
    • B29D17/005—Producing optically read record carriers, e.g. optical discs
    • 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
    • G11B7/2403—Layers; Shape, structure or physical properties thereof
    • G11B7/24047—Substrates
    • 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
    • B29C45/17—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
    • B29C2045/2653—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs using two stampers
    • 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
    • B29C45/0046—Details relating to the filling pattern or flow paths or flow characteristics of moulding material in the mould cavity
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
JP9252859A 1997-09-02 1997-09-02 光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機 Pending JPH1186353A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP9252859A JPH1186353A (ja) 1997-09-02 1997-09-02 光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機
US09/145,416 US20020067688A1 (en) 1997-09-02 1998-09-01 Optical disc and mold for manufacturing the optical disc
US10/454,483 US20030194464A1 (en) 1997-09-02 2003-06-05 Mold for molding the substrate of an optical disk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9252859A JPH1186353A (ja) 1997-09-02 1997-09-02 光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機

Publications (2)

Publication Number Publication Date
JPH1186353A true JPH1186353A (ja) 1999-03-30
JPH1186353A5 JPH1186353A5 (enExample) 2005-03-10

Family

ID=17243170

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9252859A Pending JPH1186353A (ja) 1997-09-02 1997-09-02 光ディスク、光ディスクの射出成形用金型、及び、光ディスク製造用の射出成形機

Country Status (2)

Country Link
US (2) US20020067688A1 (enExample)
JP (1) JPH1186353A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7897242B2 (en) 2004-10-14 2011-03-01 Olympus Corporation Injection molded article
CN112397097A (zh) * 2020-11-30 2021-02-23 北京中科开迪软件有限公司 一种用于光盘生产的光盘压模设备及其使用方法

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7717696B2 (en) * 2000-07-18 2010-05-18 Nanonex Corp. Apparatus for double-sided imprint lithography
US7083871B2 (en) 2002-05-09 2006-08-01 Maxtor Corporation Single-sided sputtered magnetic recording disks
US7180709B2 (en) * 2002-05-09 2007-02-20 Maxtor Corporation Information-storage media with dissimilar outer diameter and/or inner diameter chamfer designs on two sides
US7748532B2 (en) * 2002-10-10 2010-07-06 Seagate Technology Llc Cassette for holding disks of different diameters
JP4105573B2 (ja) * 2003-03-26 2008-06-25 Ｔｄｋ株式会社 金型部品および金型装置
JP3851616B2 (ja) 2003-04-07 2006-11-29 ファナック株式会社 光学式エンコーダのコード板製造方法
US7882616B1 (en) 2004-09-02 2011-02-08 Seagate Technology Llc Manufacturing single-sided storage media
US20060163762A1 (en) * 2005-01-27 2006-07-27 Awm Mold Tech Ag Method and device for machining of an information-and/or structure carrier for injection molding forms
EP3005366A1 (en) * 2013-05-31 2016-04-13 Thomson Licensing Blu-ray disc from recycled disc manufacturing materials and a method of manufacturing the same

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4439132A (en) * 1981-06-10 1984-03-27 Discovision Associates Hot sprue assembly for an injection molding machine
US5470627A (en) * 1992-03-06 1995-11-28 Quantum Corporation Double-sided optical media for a disk storage device
KR100230244B1 (ko) * 1995-01-24 1999-11-15 윤종용 다층 광 기록 매체의 제조방법 및 그 장치
KR960030116A (ko) * 1995-01-28 1996-08-17 김광호 광자기 디스크 및 이의 제조방법
US5843626A (en) * 1995-04-19 1998-12-01 Pioneer Video Corporation Method for manufacturing a master disc for optical discs
JPH09180251A (ja) * 1995-12-22 1997-07-11 Pioneer Electron Corp ディスク基板、その成形用金型及び光ディスク
KR100268492B1 (ko) * 1996-01-11 2000-10-16 윤종용 하드디스크드라이브의디스크및디스크고정방법
US6146558A (en) * 1998-05-01 2000-11-14 General Electric Company Structure and method for molding optical disks

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7897242B2 (en) 2004-10-14 2011-03-01 Olympus Corporation Injection molded article
CN112397097A (zh) * 2020-11-30 2021-02-23 北京中科开迪软件有限公司 一种用于光盘生产的光盘压模设备及其使用方法

Also Published As

Publication number Publication date
US20030194464A1 (en) 2003-10-16
US20020067688A1 (en) 2002-06-06

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