AU7521900A - Method for digitally and optically storing data - Google Patents

Method for digitally and optically storing data

Info

Publication number
AU7521900A
AU7521900A AU75219/00A AU7521900A AU7521900A AU 7521900 A AU7521900 A AU 7521900A AU 75219/00 A AU75219/00 A AU 75219/00A AU 7521900 A AU7521900 A AU 7521900A AU 7521900 A AU7521900 A AU 7521900A
Authority
AU
Australia
Prior art keywords
digitally
storing data
optically
optically storing
information
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
AU75219/00A
Inventor
Horst Berneth
Thomas Bieringer
Johannes Eickmans
Wolfgang Jacobsen
Serguei Kostromine
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of AU7521900A publication Critical patent/AU7521900A/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00451—Recording involving ablation of the recording layer
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/245—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing a polymeric component
    • 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
    • G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers
    • G11B7/244—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only
    • G11B7/25—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of recording layers comprising organic materials only containing liquid crystals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Holo Graphy (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

The present invention relates to a method for optically writing digital information into a flat, extended storage medium, whereby said information can also be optically read out afterwards.
AU75219/00A 1999-10-01 2000-09-19 Method for digitally and optically storing data Abandoned AU7521900A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19947579A DE19947579A1 (en) 1999-10-01 1999-10-01 Digital optical data storage method
DE19947579 1999-10-01
PCT/EP2000/009269 WO2001026105A1 (en) 1999-10-01 2000-09-19 Method for digitally and optically storing data

Publications (1)

Publication Number Publication Date
AU7521900A true AU7521900A (en) 2001-05-10

Family

ID=7924332

Family Applications (1)

Application Number Title Priority Date Filing Date
AU75219/00A Abandoned AU7521900A (en) 1999-10-01 2000-09-19 Method for digitally and optically storing data

Country Status (8)

Country Link
EP (1) EP1240645B1 (en)
JP (1) JP5002104B2 (en)
AT (1) ATE331282T1 (en)
AU (1) AU7521900A (en)
DE (2) DE19947579A1 (en)
ES (1) ES2267565T3 (en)
TW (1) TW495751B (en)
WO (1) WO2001026105A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10027152A1 (en) * 2000-05-31 2001-12-13 Bayer Ag Moschpolymers for optical data storage
EP1462485A1 (en) * 2003-03-26 2004-09-29 Rolic AG Polymerizable dichroic azo dyes
DE102007052326A1 (en) 2007-10-31 2009-05-07 Bundesdruckerei Gmbh Method for producing a security feature for a document
DE16159741T1 (en) * 2016-03-10 2018-02-01 Joanneum Research Forschungsgesellschaft Mbh METHOD FOR PRODUCING A HIGH RESOLUTION ANALOG STORAGE MEDIUM

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58155543A (en) * 1982-03-10 1983-09-16 Toshiba Corp Information recording memory
JPS63142546A (en) * 1986-12-05 1988-06-14 Hitachi Ltd Wavelength multiplex optical recording medium
US5079758A (en) * 1989-09-28 1992-01-07 Tandy Corporation Single polymer layer recordable/erasable optical media
JPH04505826A (en) * 1989-05-25 1992-10-08 タンディー　コーポレイション recoding media
US5173381A (en) * 1991-08-05 1992-12-22 Queen's University Azo polymers for reversible optical storage
JPH05139042A (en) * 1991-11-20 1993-06-08 Nippon Paint Co Ltd Image recording laminated film
EP0622789B1 (en) * 1993-03-30 2002-08-07 Bayer Ag Sheet-like structures containing side chain polymers
DE4339862A1 (en) * 1993-03-30 1994-10-06 Agfa Gevaert Ag Flat structures made of side group polymers
JP2887069B2 (en) * 1994-03-18 1999-04-26 富士ゼロックス株式会社 Optical element and optical recording element
US5670083A (en) * 1994-02-23 1997-09-23 Fuji Xerox Co., Ltd. Optical element and process for producing the same
AU2898497A (en) * 1996-05-22 1997-12-09 Bayer Aktiengesellschaft Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction
DE19631864A1 (en) * 1996-08-07 1998-02-12 Bayer Ag High sensitivity photoaddressable side group polymers
EP0856527A1 (en) * 1997-01-29 1998-08-05 Bayer Ag Polymers with photosensitive side chains having higher inducible birefringene
DE19910247A1 (en) * 1999-03-08 2000-09-28 Bayer Ag New holographic recording material
DE19914325C1 (en) * 1999-03-30 2000-07-06 Bayer Ag Rewritable optical recording material, for use with blue laser, contains polymeric azo dye giving optically induced birefringence

Also Published As

Publication number Publication date
EP1240645B1 (en) 2006-06-21
DE19947579A1 (en) 2001-04-12
TW495751B (en) 2002-07-21
EP1240645A1 (en) 2002-09-18
DE50013060D1 (en) 2006-08-03
ATE331282T1 (en) 2006-07-15
ES2267565T3 (en) 2007-03-16
JP2003511807A (en) 2003-03-25
WO2001026105A1 (en) 2001-04-12
JP5002104B2 (en) 2012-08-15

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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