DE60003427D1 - Verfahren zur herstellung einer optischen platte mit reduziertem kantenkeil - Google Patents
Verfahren zur herstellung einer optischen platte mit reduziertem kantenkeilInfo
- Publication number
- DE60003427D1 DE60003427D1 DE60003427T DE60003427T DE60003427D1 DE 60003427 D1 DE60003427 D1 DE 60003427D1 DE 60003427 T DE60003427 T DE 60003427T DE 60003427 T DE60003427 T DE 60003427T DE 60003427 D1 DE60003427 D1 DE 60003427D1
- Authority
- DE
- Germany
- Prior art keywords
- producing
- optical plate
- reduced edge
- edge wedge
- wedge
- 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 - Fee Related
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
-
- 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
-
- 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
- B29C2045/2648—Outer peripheral ring constructions
-
- 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
- B29C2045/2661—The thickness of the mould cavity being changeable in radial direction
-
- 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
-
- 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)
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Recording Or Reproduction (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32693599A | 1999-06-07 | 1999-06-07 | |
US326935 | 1999-06-07 | ||
PCT/US2000/011661 WO2000074919A1 (en) | 1999-06-07 | 2000-04-28 | Optical disk mold tooling for reduced edge wedge |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60003427D1 true DE60003427D1 (de) | 2003-07-24 |
DE60003427T2 DE60003427T2 (de) | 2004-05-19 |
Family
ID=23274406
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60003427T Expired - Fee Related DE60003427T2 (de) | 1999-06-07 | 2000-04-28 | Verfahren zur herstellung einer optischen platte mit reduziertem kantenkeil |
Country Status (5)
Country | Link |
---|---|
US (2) | US6752611B2 (de) |
EP (1) | EP1192034B1 (de) |
JP (1) | JP2003501776A (de) |
DE (1) | DE60003427T2 (de) |
WO (1) | WO2000074919A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6961950B2 (en) | 2001-09-04 | 2005-11-01 | Imation Corp. | Variable thickness stamper for creation of flat molded substrates |
JP2004042601A (ja) * | 2002-05-15 | 2004-02-12 | Meiki Co Ltd | 成形金型および成形方法 |
JP2005222660A (ja) * | 2004-02-09 | 2005-08-18 | Fuji Photo Film Co Ltd | 光ディスク用基板の製造方法、及び光ディスク |
JPWO2005099992A1 (ja) * | 2004-03-31 | 2007-08-16 | 住友重機械工業株式会社 | ディスク成形用金型、成形品、成形機及び盤状部材 |
JP2006216114A (ja) * | 2005-02-02 | 2006-08-17 | Funai Electric Co Ltd | 光ピックアップ及びそれを備えた光ディスク装置 |
NL1028737C2 (nl) * | 2005-04-11 | 2006-10-12 | Axxicon Moulds Eindhoven Bv | Matrijssamenstel en/of stamper. |
TWI310942B (en) * | 2005-12-19 | 2009-06-11 | Daxon Technology Inc | Disc injection mold and related cooling system capable of reducing tracking errors |
US7976740B2 (en) * | 2008-12-16 | 2011-07-12 | Microsoft Corporation | Fabrication of optically smooth light guide |
US8540503B2 (en) | 2009-09-09 | 2013-09-24 | Panasonic Corporation | Disk substrate molding apparatus, disk substrate molding method and disk substrate molding die |
US20140065303A1 (en) * | 2012-08-31 | 2014-03-06 | Robert Dennis Grejda | Holding device for optical element |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4540541A (en) * | 1982-03-25 | 1985-09-10 | General Electric Company | Method for making plastic articles from resin |
JPS6374618A (ja) * | 1986-09-19 | 1988-04-05 | Hitachi Ltd | デイスク基板のプラスチツク成形金型 |
JP2561130B2 (ja) | 1988-06-27 | 1996-12-04 | 富士写真フイルム株式会社 | 光磁気記録媒体 |
JPH02134219A (ja) * | 1988-11-15 | 1990-05-23 | Sekisui Chem Co Ltd | 情報記録媒体用基板の成形金型 |
EP0386971A1 (de) | 1989-03-06 | 1990-09-12 | Hitachi Maxell Ltd. | Verfahren zur Herstellung einer optischen Platte, Lehre zur Ausführung des Verfahrens und optische Platte, welche durch dieses Verfahrens hergestellt wird |
CA2044427C (en) | 1990-06-13 | 1997-02-11 | Junichiro Nakayama | Magneto-optical disk and manufacturing methods thereof |
US5487926A (en) | 1990-11-22 | 1996-01-30 | Tdk Corporation | Optical disk |
DE69127058T2 (de) | 1990-11-28 | 1998-03-26 | Sharp Kk | Herstellungsverfahren einer Matrize |
US5326240A (en) | 1991-10-12 | 1994-07-05 | Sony Corporation | Metal mold device for molding a disc substrate |
JPH05278088A (ja) * | 1992-03-04 | 1993-10-26 | Sharp Corp | 光ディスク成形用金型 |
US5470627A (en) | 1992-03-06 | 1995-11-28 | Quantum Corporation | Double-sided optical media for a disk storage device |
JP3104406B2 (ja) | 1992-06-15 | 2000-10-30 | 松下電器産業株式会社 | 光ディスク用原板とその製造方法 |
JP2973155B2 (ja) | 1993-10-29 | 1999-11-08 | 株式会社名機製作所 | ディスク基板並びに該ディスク基板の成形に用いる成形金型 |
US5460763A (en) | 1993-12-24 | 1995-10-24 | Kabushiki Kaisha Meiki Seisakusho | Sprueless disc mold and disc molding method thereof |
JPH08180463A (ja) | 1994-12-20 | 1996-07-12 | Pioneer Video Corp | 光学式ディスク |
US5597613A (en) | 1994-12-30 | 1997-01-28 | Honeywell Inc. | Scale-up process for replicating large area diffractive optical elements |
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 |
US5852329A (en) * | 1996-04-26 | 1998-12-22 | Sony Corporation | Optical disc molding device and molding method for optical disc |
JPH09295319A (ja) * | 1996-05-01 | 1997-11-18 | Sony Corp | ディスク基板の成形用金型 |
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 |
US5893998A (en) * | 1997-02-21 | 1999-04-13 | Sony Corporation | Boundary apparatus for optical component molding |
US6154441A (en) | 1997-04-17 | 2000-11-28 | Imation Corp. | Method for centering a hub in an optical disc, and an optical storage system using such disc |
JP3490265B2 (ja) * | 1997-08-29 | 2004-01-26 | 株式会社名機製作所 | 薄物ディスク基板の成形方法およびその成形用金型 |
JPH1196601A (ja) | 1997-09-17 | 1999-04-09 | Nikon Corp | 光ディスクおよびその製造方法 |
JP2000343562A (ja) * | 1999-06-03 | 2000-12-12 | Sony Corp | 光記録ディスクの成形金型 |
US6961950B2 (en) * | 2001-09-04 | 2005-11-01 | Imation Corp. | Variable thickness stamper for creation of flat molded substrates |
-
2000
- 2000-04-28 JP JP2001501432A patent/JP2003501776A/ja active Pending
- 2000-04-28 DE DE60003427T patent/DE60003427T2/de not_active Expired - Fee Related
- 2000-04-28 EP EP00928623A patent/EP1192034B1/de not_active Expired - Lifetime
- 2000-04-28 WO PCT/US2000/011661 patent/WO2000074919A1/en active IP Right Grant
-
2001
- 2001-11-15 US US10/001,099 patent/US6752611B2/en not_active Expired - Fee Related
-
2004
- 2004-05-07 US US10/840,921 patent/US7114947B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6752611B2 (en) | 2004-06-22 |
US20040218510A1 (en) | 2004-11-04 |
JP2003501776A (ja) | 2003-01-14 |
US20020058084A1 (en) | 2002-05-16 |
DE60003427T2 (de) | 2004-05-19 |
EP1192034A1 (de) | 2002-04-03 |
US7114947B2 (en) | 2006-10-03 |
WO2000074919A1 (en) | 2000-12-14 |
EP1192034B1 (de) | 2003-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |