GB2262832B - Optical recording disc - Google Patents

Optical recording disc

Info

Publication number
GB2262832B
GB2262832B GB9127266A GB9127266A GB2262832B GB 2262832 B GB2262832 B GB 2262832B GB 9127266 A GB9127266 A GB 9127266A GB 9127266 A GB9127266 A GB 9127266A GB 2262832 B GB2262832 B GB 2262832B
Authority
GB
United Kingdom
Prior art keywords
optical recording
recording disc
disc
optical
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 - Fee Related
Application number
GB9127266A
Other versions
GB2262832A (en
GB9127266D0 (en
Inventor
Jean-Michel Depauw
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.)
AGC Glass Europe SA
Original Assignee
Glaverbel Belgium SA
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 Glaverbel Belgium SA filed Critical Glaverbel Belgium SA
Priority to GB9127266A priority Critical patent/GB2262832B/en
Publication of GB9127266D0 publication Critical patent/GB9127266D0/en
Publication of GB2262832A publication Critical patent/GB2262832A/en
Application granted granted Critical
Publication of GB2262832B publication Critical patent/GB2262832B/en
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
    • G11B7/252—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
    • 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
    • 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
    • G11B7/253—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 substrates
    • G11B7/2531—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 substrates comprising glass
GB9127266A 1991-12-23 1991-12-23 Optical recording disc Expired - Fee Related GB2262832B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9127266A GB2262832B (en) 1991-12-23 1991-12-23 Optical recording disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9127266A GB2262832B (en) 1991-12-23 1991-12-23 Optical recording disc

Publications (3)

Publication Number Publication Date
GB9127266D0 GB9127266D0 (en) 1992-02-19
GB2262832A GB2262832A (en) 1993-06-30
GB2262832B true GB2262832B (en) 1995-10-04

Family

ID=10706734

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9127266A Expired - Fee Related GB2262832B (en) 1991-12-23 1991-12-23 Optical recording disc

Country Status (1)

Country Link
GB (1) GB2262832B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09259470A (en) * 1996-03-21 1997-10-03 Toshiba Corp Laminated information recording medium
MY136646A (en) * 2004-05-11 2008-11-28 Toshiba Elevator Kk Magnet unit, elevator guiding apparatus and weighing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086009A1 (en) * 1982-02-04 1983-08-17 Koninklijke Philips Electronics N.V. Optically readable information disc
JPH0242655A (en) * 1988-08-02 1990-02-13 Nec Corp Optical memory body

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0086009A1 (en) * 1982-02-04 1983-08-17 Koninklijke Philips Electronics N.V. Optically readable information disc
JPH0242655A (en) * 1988-08-02 1990-02-13 Nec Corp Optical memory body

Also Published As

Publication number Publication date
GB2262832A (en) 1993-06-30
GB9127266D0 (en) 1992-02-19

Similar Documents

Publication Publication Date Title
EP0537904A3 (en) Optical disk drive
EP0406569A3 (en) Optical recording medium
EP0612067A3 (en) Optical disc recording apparatus.
EP0453995A3 (en) Optical disc recording apparatus
EP0414516A3 (en) Optical recording medium
EP0559104A3 (en) Optical disc recording apparatus
HK1014363A1 (en) Optical recording medium
HK1005326A1 (en) Optical recording medium
HK1007621A1 (en) Optical recording medium
EP0544276A3 (en) Writable optical disk recording apparatus
EP0492514A3 (en) Optical disc recording apparatus
EP0352105A3 (en) Optical disc medium
HK1049910A1 (en) Optical disc
EP0525192A4 (en) Optically recording medium
EP0452586A3 (en) Optical recording medium
EP0378344A3 (en) Optical recording medium
HK1005155A1 (en) Optical recording medium
SG52477A1 (en) Optical recording medium
EP0458257A3 (en) Optical recording medium
EP0376231A3 (en) Optical recording media
EP0422947A3 (en) Optical recording/reproducing device
SG52486A1 (en) Optical recording medium
EP0526647A4 (en) Optical recording medium
SG52484A1 (en) Optical recording medium
GB9017266D0 (en) Optical recording elements

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19971223