AU8644498A - Reading/recording method and apparatus for three-dimensional information carrier - Google Patents

Reading/recording method and apparatus for three-dimensional information carrier

Info

Publication number
AU8644498A
AU8644498A AU86444/98A AU8644498A AU8644498A AU 8644498 A AU8644498 A AU 8644498A AU 86444/98 A AU86444/98 A AU 86444/98A AU 8644498 A AU8644498 A AU 8644498A AU 8644498 A AU8644498 A AU 8644498A
Authority
AU
Australia
Prior art keywords
reading
recording method
information carrier
dimensional information
dimensional
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
AU86444/98A
Inventor
Boris Glushko
Vladimir Krupkin
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.)
OMD Devices LLC
Original Assignee
OMD Devices LLC
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 OMD Devices LLC filed Critical OMD Devices LLC
Publication of AU8644498A publication Critical patent/AU8644498A/en
Abandoned legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/004Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005Reproducing
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1365Separate or integrated refractive elements, e.g. wave plates
    • G11B7/1367Stepped phase plates
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0009Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage
    • G11B2007/0013Recording, reproducing or erasing systems characterised by the structure or type of the carrier for carriers having data stored in three dimensions, e.g. volume storage for carriers having multiple discrete layers
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B2007/13727Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Optical Recording Or Reproduction (AREA)
AU86444/98A 1997-08-13 1998-08-12 Reading/recording method and apparatus for three-dimensional information carrier Abandoned AU8644498A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL12153797A IL121537A0 (en) 1997-08-13 1997-08-13 Method and devices for fluorescent optical memory reading
IL121537 1997-08-13
PCT/IL1998/000375 WO1999009551A1 (en) 1997-08-13 1998-08-12 Reading/recording method and apparatus for three-dimensional information carrier

Publications (1)

Publication Number Publication Date
AU8644498A true AU8644498A (en) 1999-03-08

Family

ID=11070499

Family Applications (1)

Application Number Title Priority Date Filing Date
AU86444/98A Abandoned AU8644498A (en) 1997-08-13 1998-08-12 Reading/recording method and apparatus for three-dimensional information carrier

Country Status (3)

Country Link
AU (1) AU8644498A (en)
IL (1) IL121537A0 (en)
WO (1) WO1999009551A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL134358A0 (en) * 2000-02-03 2001-04-30 C3D Inc Method and apparatus for reading of flourescent multilayer optical card
KR102041936B1 (en) 2011-06-09 2019-11-07 케이스 웨스턴 리저브 유니버시티 Optical information storage medium

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4090031A (en) * 1974-10-21 1978-05-16 Eli S. Jacobs Multi-layered opitcal data records and playback apparatus
JPS60236119A (en) * 1984-05-09 1985-11-22 Toshiba Corp Optical information recording and reproducing device
JP2904434B2 (en) * 1988-08-12 1999-06-14 パイオニア株式会社 Optical information recording medium and reproducing apparatus therefor
US5251198A (en) * 1992-05-29 1993-10-05 Strickler James H Reading device for multi-layered optical information carrier
US5559784A (en) * 1993-03-26 1996-09-24 Fuji Xerox Co., Ltd. Multi-layer optical information detection by two laser beam and optical multilayer recording medium

Also Published As

Publication number Publication date
WO1999009551A1 (en) 1999-02-25
IL121537A0 (en) 1998-02-08

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