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CA1298913C - Carte de memoire optique a support de stockage souple - Google Patents

Carte de memoire optique a support de stockage souple

Info

Publication number
CA1298913C
CA1298913C CA000564241A CA564241A CA1298913C CA 1298913 C CA1298913 C CA 1298913C CA 000564241 A CA000564241 A CA 000564241A CA 564241 A CA564241 A CA 564241A CA 1298913 C CA1298913 C CA 1298913C
Authority
CA
Canada
Prior art keywords
layer
planar
crust
optical
optical storage
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
Application number
CA000564241A
Other languages
English (en)
Inventor
Eric W. Bouldin
Jerome Drexler
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.)
Drexler Technology Corp
Original Assignee
Drexler Technology 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
Priority claimed from US07/039,506 external-priority patent/US4837134A/en
Application filed by Drexler Technology Corp filed Critical Drexler Technology Corp
Application granted granted Critical
Publication of CA1298913C publication Critical patent/CA1298913C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B7/241—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
    • G11B7/251—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 inorganic materials dispersed in an organic matrix
    • 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
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film
    • 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
    • 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
    • G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
    • G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Credit Cards Or The Like (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Optical Recording Or Reproduction (AREA)
CA000564241A 1987-04-16 1988-04-15 Carte de memoire optique a support de stockage souple Expired - Fee Related CA1298913C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US039,506 1987-04-16
US07/039,506 US4837134A (en) 1986-08-15 1987-04-16 Optical memory card with versatile storage medium

Publications (1)

Publication Number Publication Date
CA1298913C true CA1298913C (fr) 1992-04-14

Family

ID=21905841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000564241A Expired - Fee Related CA1298913C (fr) 1987-04-16 1988-04-15 Carte de memoire optique a support de stockage souple

Country Status (4)

Country Link
EP (1) EP0382713A1 (fr)
JP (1) JPH02503129A (fr)
CA (1) CA1298913C (fr)
WO (1) WO1988008120A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8534557B2 (en) 2006-03-22 2013-09-17 Bayer Innovation Gmbh Method and device for reading information optically

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002079756A (ja) 2000-03-17 2002-03-19 Fuji Photo Film Co Ltd 光記録媒体および光記録方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4314260A (en) * 1979-02-14 1982-02-02 Drexler Technology Corporation Laser pyrographic reflective recording layer in a carbon containing absorptive matrix
US4269917A (en) * 1979-07-06 1981-05-26 Drexler Technology Corporation Data storage medium having reflective particulate silver layer
US4278758A (en) * 1979-07-06 1981-07-14 Drexler Technology Corporation Process for making a reflective data storage medium
US4298684A (en) * 1979-07-06 1981-11-03 Drexler Technology Corporation Reflective data storage medium made by silver diffusion transfer in silver-halide emulsion incorporating nuclei
US4278756A (en) * 1979-07-06 1981-07-14 Drexler Technology Corporation Reflective data storage medium made by silver diffusion transfer
US4239338A (en) * 1979-10-22 1980-12-16 Corning Glass Works Silver halide optical information storage media
US4343879A (en) * 1980-08-22 1982-08-10 Drexler Technology Corporation Multiple layer optical data storage and recording media
US4542288A (en) * 1981-02-27 1985-09-17 Drexler Technology Corporation Method for making a laser recordable wallet-size plastic card
US4503135A (en) * 1981-02-27 1985-03-05 Drexler Technology Corporation Medium for recording visual images and laser written data
JPS57189894A (en) * 1981-05-20 1982-11-22 Fuji Photo Film Co Ltd Thermal recording material
US4387381A (en) * 1981-06-12 1983-06-07 Rca Corporation Optical recording medium and information record with tracking aid
US4588665A (en) * 1982-11-22 1986-05-13 Drexler Technology Corporation Micrographic film member with laser written data
US4603099A (en) * 1982-11-22 1986-07-29 Drexler Technology Corporation Method for recording motion picture images and laser written data
US4628367A (en) * 1983-04-28 1986-12-09 Coulter Systems Corporation Method and device for reading digital data in an optical mass memory system using electrophotography
US4515879A (en) * 1983-04-28 1985-05-07 Coulter Systems Corporation Optical mass memory system using electrophotography
US4578788A (en) * 1983-06-02 1986-03-25 International Business Machines Corporation High performance optical storage medium with separate mechanical servo tracks embedded within the medium
JPS60208289A (ja) * 1984-03-31 1985-10-19 Dainippon Printing Co Ltd 光記録材料
US4635076A (en) * 1985-03-14 1987-01-06 Minnesota Mining And Manufacturing Company Two-sided optical recording medium

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8534557B2 (en) 2006-03-22 2013-09-17 Bayer Innovation Gmbh Method and device for reading information optically
US8915436B2 (en) 2006-03-22 2014-12-23 Certego Gmbh Method and apparatus for optically reading information

Also Published As

Publication number Publication date
WO1988008120A1 (fr) 1988-10-20
JPH02503129A (ja) 1990-09-27
EP0382713A1 (fr) 1990-08-22

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Legal Events

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