TW537959B - Die assembly used for forming optical disc - Google Patents

Die assembly used for forming optical disc Download PDF

Info

Publication number
TW537959B
TW537959B TW090132210A TW90132210A TW537959B TW 537959 B TW537959 B TW 537959B TW 090132210 A TW090132210 A TW 090132210A TW 90132210 A TW90132210 A TW 90132210A TW 537959 B TW537959 B TW 537959B
Authority
TW
Taiwan
Prior art keywords
cavity
distance
temperature adjustment
mold
temperature
Prior art date
Application number
TW090132210A
Other languages
English (en)
Chinese (zh)
Inventor
Toshihiro Chihara
Yoshihiro Horikawa
Original Assignee
Mitsubishi Materials 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 Mitsubishi Materials Corp filed Critical Mitsubishi Materials Corp
Application granted granted Critical
Publication of TW537959B publication Critical patent/TW537959B/zh

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
    • 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
    • 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
    • B29C45/2642—Heating or cooling means therefor
    • 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
    • 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)
  • Moulds For Moulding Plastics Or The Like (AREA)
TW090132210A 2000-12-25 2001-12-25 Die assembly used for forming optical disc TW537959B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000393621A JP2002192587A (ja) 2000-12-25 2000-12-25 光ディスク成形用金型装置

Publications (1)

Publication Number Publication Date
TW537959B true TW537959B (en) 2003-06-21

Family

ID=18859379

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090132210A TW537959B (en) 2000-12-25 2001-12-25 Die assembly used for forming optical disc

Country Status (5)

Country Link
JP (1) JP2002192587A (ko)
KR (1) KR20030060117A (ko)
CN (1) CN1491150A (ko)
TW (1) TW537959B (ko)
WO (1) WO2002051608A1 (ko)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7303381B2 (en) 2004-03-30 2007-12-04 Taiyo Yuden Co., Ltd. Device for manufacturing optical disc, method of manufacturing the same, and optical disc

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101800058B (zh) * 2010-03-19 2011-11-23 东莞宏威数码机械有限公司 蓝光光盘压模设备
CN103302773B (zh) * 2013-06-27 2015-12-02 广州盈光科技股份有限公司 一种光盘模具结构

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05212755A (ja) * 1992-02-04 1993-08-24 Mitsubishi Kasei Corp ディスク用基板成形法
DE69317079T2 (de) * 1992-07-20 1998-08-13 Koninkl Philips Electronics Nv Verfahren zum Herstellen einer Formplatte und danach hergestellte Formplatten
JPH08156027A (ja) * 1994-12-07 1996-06-18 Ricoh Co Ltd 光ディスク成形金型
JPH10230524A (ja) * 1997-02-20 1998-09-02 Hitachi Ltd 光ディスク基板の成形型および製造方法
JP2000000826A (ja) * 1998-06-15 2000-01-07 Kao Corp 成形金型
JP3871815B2 (ja) * 1998-09-03 2007-01-24 松下電器産業株式会社 光ディスク用成形金型
JP2000296535A (ja) * 1999-04-13 2000-10-24 Sony Disc Technology:Kk 射出成形装置及び射出成形方法
JP4084525B2 (ja) * 2000-03-24 2008-04-30 松下電器産業株式会社 光ディスク金型と光ディスク基板成形方法
JP2001293759A (ja) * 2000-04-12 2001-10-23 Meiki Co Ltd ディスク成形金型の温調構造

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7303381B2 (en) 2004-03-30 2007-12-04 Taiyo Yuden Co., Ltd. Device for manufacturing optical disc, method of manufacturing the same, and optical disc
US7833378B2 (en) 2004-03-30 2010-11-16 Taiyo Yuden Co., Ltd. Method for manufacturing optical disc and optical disc

Also Published As

Publication number Publication date
JP2002192587A (ja) 2002-07-10
CN1491150A (zh) 2004-04-21
WO2002051608A1 (fr) 2002-07-04
KR20030060117A (ko) 2003-07-12

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GD4A Issue of patent certificate for granted invention patent
MK4A Expiration of patent term of an invention patent