DE60325816D1 - Optisches Datenaufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren zum Festklemmen des optischen Datenaufzeichnungsmediums - Google Patents

Optisches Datenaufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren zum Festklemmen des optischen Datenaufzeichnungsmediums

Info

Publication number
DE60325816D1
DE60325816D1 DE60325816T DE60325816T DE60325816D1 DE 60325816 D1 DE60325816 D1 DE 60325816D1 DE 60325816 T DE60325816 T DE 60325816T DE 60325816 T DE60325816 T DE 60325816T DE 60325816 D1 DE60325816 D1 DE 60325816D1
Authority
DE
Germany
Prior art keywords
recording medium
optical data
data recording
clamping
signal recording
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
DE60325816T
Other languages
English (en)
Inventor
Kazuhiro Hayashi
Eiji Ohno
Masanari Mohri
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.)
Panasonic Corp
Original Assignee
Panasonic 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=31721296&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60325816(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Panasonic Corp filed Critical Panasonic Corp
Application granted granted Critical
Publication of DE60325816D1 publication Critical patent/DE60325816D1/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
    • G11B7/24018—Laminated discs
    • G11B7/24027—Layers; Shape, structure or physical properties thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0014—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form
    • G11B23/0021—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture record carriers not specifically of filamentary or web form discs
    • G11B23/0028—Details
    • G11B23/0035—Details means incorporated in the disc, e.g. hub, to enable its guiding, loading or driving
    • 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
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/022—Positioning or locking of single discs
    • G11B17/028—Positioning or locking of single discs of discs rotating during transducing operation
    • G11B17/0284—Positioning or locking of single discs of discs rotating during transducing operation by clampers
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/121—Protecting the head, e.g. against dust or impact with the record carrier
    • 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
    • G11B7/24003—Shapes of record carriers other than disc shape
    • 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
    • G11B7/24097—Structures for detection, control, recording operation or replay operation; Special shapes or structures for centering or eccentricity prevention; Arrangements for testing, inspecting or evaluating; Containers, cartridges or cassettes
    • 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
    • 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
    • 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
    • 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
DE60325816T 2002-09-05 2003-09-04 Optisches Datenaufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren zum Festklemmen des optischen Datenaufzeichnungsmediums Expired - Lifetime DE60325816D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2002260192 2002-09-05
JP2002320017 2002-11-01
JP2003068752 2003-03-13

Publications (1)

Publication Number Publication Date
DE60325816D1 true DE60325816D1 (de) 2009-03-05

Family

ID=31721296

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60333964T Expired - Lifetime DE60333964D1 (de) 2002-09-05 2003-09-04 Optisches Datenaufzeichnungsmedium
DE60325816T Expired - Lifetime DE60325816D1 (de) 2002-09-05 2003-09-04 Optisches Datenaufzeichnungsmedium, Verfahren zu dessen Herstellung und Verfahren zum Festklemmen des optischen Datenaufzeichnungsmediums

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60333964T Expired - Lifetime DE60333964D1 (de) 2002-09-05 2003-09-04 Optisches Datenaufzeichnungsmedium

Country Status (13)

Country Link
US (9) US7065776B2 (de)
EP (7) EP2180475A1 (de)
JP (6) JP3961466B2 (de)
KR (3) KR20040022200A (de)
CN (10) CN101373611A (de)
AT (3) ATE479184T1 (de)
CY (1) CY1112659T1 (de)
DE (2) DE60333964D1 (de)
DK (1) DK2180472T3 (de)
ES (3) ES2319514T3 (de)
MX (1) MXPA03007951A (de)
PT (3) PT1396855E (de)
SI (3) SI2043098T1 (de)

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Also Published As

Publication number Publication date
EP2180472B1 (de) 2011-11-16
US20080155580A1 (en) 2008-06-26
EP2180474A1 (de) 2010-04-28
EP2180476A1 (de) 2010-04-28
US7389520B2 (en) 2008-06-17
ES2319514T3 (es) 2009-05-08
CN101373616A (zh) 2009-02-25
US7761888B2 (en) 2010-07-20
KR20040022200A (ko) 2004-03-11
JP2007141452A (ja) 2007-06-07
DK2180472T3 (da) 2012-01-16
EP2180472A1 (de) 2010-04-28
US7065776B2 (en) 2006-06-20
EP1396855B1 (de) 2009-01-14
EP2043098A1 (de) 2009-04-01
ES2376041T3 (es) 2012-03-08
CN100433152C (zh) 2008-11-12
US20080034384A1 (en) 2008-02-07
US7401346B2 (en) 2008-07-15
US7401347B2 (en) 2008-07-15
US20040136312A1 (en) 2004-07-15
US20080016522A1 (en) 2008-01-17
JP5065461B2 (ja) 2012-10-31
US7290272B2 (en) 2007-10-30
KR20070116764A (ko) 2007-12-11
JP4068655B2 (ja) 2008-03-26
ES2348824T3 (es) 2010-12-15
CN101373611A (zh) 2009-02-25
US20080148305A1 (en) 2008-06-19
SI2180472T1 (sl) 2012-03-30
ATE479184T1 (de) 2010-09-15
CN101373610A (zh) 2009-02-25
US7409699B2 (en) 2008-08-05
CN101373617A (zh) 2009-02-25
CN101373618B (zh) 2011-05-11
MXPA03007951A (es) 2004-10-15
CN101373614A (zh) 2009-02-25
JP2011003270A (ja) 2011-01-06
US20080016523A1 (en) 2008-01-17
US20100242059A1 (en) 2010-09-23
CN101373612A (zh) 2009-02-25
DE60333964D1 (de) 2010-10-07
JP2004296064A (ja) 2004-10-21
US20060150209A1 (en) 2006-07-06
JP4105217B2 (ja) 2008-06-25
JP2006286198A (ja) 2006-10-19
PT1396855E (pt) 2009-02-16
JP4638918B2 (ja) 2011-02-23
JP3961549B2 (ja) 2007-08-22
CN101373618A (zh) 2009-02-25
CY1112659T1 (el) 2016-02-10
JP2007226964A (ja) 2007-09-06
JP2008140544A (ja) 2008-06-19
ATE534121T1 (de) 2011-12-15
ATE421142T1 (de) 2009-01-15
CN1495746A (zh) 2004-05-12
EP1396855A3 (de) 2006-04-26
US20080016524A1 (en) 2008-01-17
SI1396855T1 (sl) 2009-06-30
EP2180475A1 (de) 2010-04-28
PT2043098E (pt) 2010-09-24
CN101373617B (zh) 2012-11-07
SI2043098T1 (sl) 2010-10-29
JP3961466B2 (ja) 2007-08-22
KR20070110469A (ko) 2007-11-19
PT2180472E (pt) 2012-01-13
EP2043098B1 (de) 2010-08-25
EP1396855A2 (de) 2004-03-10
CN101373615A (zh) 2009-02-25
CN101373613A (zh) 2009-02-25
EP2278586A1 (de) 2011-01-26

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