AU7431400A - Method of producing optical discs - Google Patents

Method of producing optical discs

Info

Publication number
AU7431400A
AU7431400A AU74314/00A AU7431400A AU7431400A AU 7431400 A AU7431400 A AU 7431400A AU 74314/00 A AU74314/00 A AU 74314/00A AU 7431400 A AU7431400 A AU 7431400A AU 7431400 A AU7431400 A AU 7431400A
Authority
AU
Australia
Prior art keywords
optical discs
producing optical
producing
discs
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.)
Abandoned
Application number
AU74314/00A
Inventor
Ronald Ashley Fisher
Martin John Richardson
John David Wiltshire
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.)
PROSOFT LOGISTICS Ltd
Original Assignee
PROSOFT LOGISTICS Ltd
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 GBGB9921668.1A external-priority patent/GB9921668D0/en
Priority claimed from GB0001414A external-priority patent/GB0001414D0/en
Priority claimed from GB0004015A external-priority patent/GB0004015D0/en
Application filed by PROSOFT LOGISTICS Ltd filed Critical PROSOFT LOGISTICS Ltd
Publication of AU7431400A publication Critical patent/AU7431400A/en
Abandoned 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
    • G11B7/261—Preparing a master, e.g. exposing photoresist, electroforming
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H1/0011—Adaptation of holography to specific applications for security or authentication
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
    • G03H1/0005—Adaptation of holography to specific applications
    • G03H2001/0055—Adaptation of holography to specific applications in advertising or decorative art
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
    • G03H2270/00—Substrate bearing the hologram
    • G03H2270/20—Shape
    • G03H2270/22—Disc shaped

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Holo Graphy (AREA)
  • Optical Recording Or Reproduction (AREA)
AU74314/00A 1999-09-15 2000-09-14 Method of producing optical discs Abandoned AU7431400A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9921668.1A GB9921668D0 (en) 1999-09-15 1999-09-15 Improvements in or relating to data carriers
GB9921668 1999-09-15
GB0001414 2000-01-22
GB0001414A GB0001414D0 (en) 2000-01-22 2000-01-22 Improvements in or relating to data carriers
GB0004015 2000-02-22
GB0004015A GB0004015D0 (en) 2000-02-22 2000-02-22 Improvements in or telating to data carriers
PCT/GB2000/003537 WO2001020605A1 (en) 1999-09-15 2000-09-14 Method of producing optical discs

Publications (1)

Publication Number Publication Date
AU7431400A true AU7431400A (en) 2001-04-17

Family

ID=27255486

Family Applications (1)

Application Number Title Priority Date Filing Date
AU74314/00A Abandoned AU7431400A (en) 1999-09-15 2000-09-14 Method of producing optical discs

Country Status (3)

Country Link
EP (1) EP1218880A1 (en)
AU (1) AU7431400A (en)
WO (1) WO2001020605A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0308877D0 (en) * 2003-04-16 2003-05-21 Holographic Image Studio The L An optical data carrier

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3578451A (en) * 1967-03-29 1971-05-11 Scott Paper Co Integral negative type positive photolithographic plate
GB2058379A (en) * 1979-09-12 1981-04-08 Agfa Gevaert Imaging Process
JPH0638299B2 (en) * 1986-08-27 1994-05-18 パイオニア株式会社 Manufacturing method of optical disk with guide groove
DE68928586T2 (en) * 1988-04-12 1998-10-29 Dainippon Printing Co Ltd OPTICAL RECORDING MEDIUM AND METHOD FOR THE PRODUCTION THEREOF
GB9122247D0 (en) * 1991-10-19 1991-12-04 Applied Holographics Optical data storage disc
WO1994008443A1 (en) * 1992-09-29 1994-04-14 Berg N Edward Method and apparatus for fabricating printed circuit boards
EP0596439A3 (en) * 1992-11-05 1995-02-08 Matsushita Electric Ind Co Ltd Method of making a master disc usable for the production of optical discs.
FR2702077B1 (en) * 1993-02-22 1995-04-21 Digipress Sa Method for manufacturing a master disc and a pressing die for improved optical discs, optical disc obtained from this master disc or this pressing die.
US5607188A (en) * 1994-06-24 1997-03-04 Imation Corp. Marking of optical disc for customized identification
US5705246A (en) * 1994-10-21 1998-01-06 Nec Corporation Master disc for an optical disc and method for manufacturing the master disc

Also Published As

Publication number Publication date
WO2001020605A1 (en) 2001-03-22
EP1218880A1 (en) 2002-07-03

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase