GB2193658B - Optical recording medium - Google Patents

Optical recording medium

Info

Publication number
GB2193658B
GB2193658B GB8717514A GB8717514A GB2193658B GB 2193658 B GB2193658 B GB 2193658B GB 8717514 A GB8717514 A GB 8717514A GB 8717514 A GB8717514 A GB 8717514A GB 2193658 B GB2193658 B GB 2193658B
Authority
GB
United Kingdom
Prior art keywords
recording medium
optical recording
optical
medium
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 - Lifetime
Application number
GB8717514A
Other languages
English (en)
Other versions
GB8717514D0 (en
GB2193658A (en
Inventor
Hansrudolf Schwander
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of GB8717514D0 publication Critical patent/GB8717514D0/en
Publication of GB2193658A publication Critical patent/GB2193658A/en
Application granted granted Critical
Publication of GB2193658B publication Critical patent/GB2193658B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/244—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
GB8717514A 1986-07-30 1987-07-23 Optical recording medium Expired - Lifetime GB2193658B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH306586A CH670723A5 (fr) 1986-07-30 1986-07-30

Publications (3)

Publication Number Publication Date
GB8717514D0 GB8717514D0 (en) 1987-08-26
GB2193658A GB2193658A (en) 1988-02-17
GB2193658B true GB2193658B (en) 1990-05-30

Family

ID=4247843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8717514A Expired - Lifetime GB2193658B (en) 1986-07-30 1987-07-23 Optical recording medium

Country Status (5)

Country Link
JP (1) JPS6337993A (fr)
CH (1) CH670723A5 (fr)
DE (1) DE3724819A1 (fr)
FR (1) FR2602366A1 (fr)
GB (1) GB2193658B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5910393A (en) * 1987-06-10 1999-06-08 Mitsubishi Denki Kabushiki Kaisha Optical recording material
EP0457721A1 (fr) * 1990-05-15 1991-11-21 Ciba-Geigy Ag Colorants absorbant dans l'infra-rouge proche

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978247A (en) * 1974-01-28 1976-08-31 Rca Corporation Transfer recording process
CA1127945A (fr) * 1979-06-04 1982-07-20 James H. Sharp Disque optique
JPS5926293A (ja) * 1982-08-06 1984-02-10 Nippon Kayaku Co Ltd 光学的画像記録／読取媒体
DE3510361A1 (de) * 1984-03-23 1985-10-03 Basf Ag, 6700 Ludwigshafen Optisches aufzeichungsmedium und verfahren zu seiner herstellung
DE3426093A1 (de) * 1984-07-14 1986-01-23 Basf Ag, 6700 Ludwigshafen Optisches aufzeichnungsmedium und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
FR2602366A1 (fr) 1988-02-05
GB8717514D0 (en) 1987-08-26
GB2193658A (en) 1988-02-17
JPS6337993A (ja) 1988-02-18
DE3724819A1 (de) 1988-02-11
CH670723A5 (fr) 1989-06-30

Similar Documents

Publication Publication Date Title
GB2189926B (en) Optical recording medium
KR960005451B1 (en) Optical recording medium
EP0321704A3 (en) Optical recording medium
EP0171045A3 (en) Optical recording medium
DE3570144D1 (en) Optical recording medium
EP0252360A3 (en) Optical recording medium
GB8523782D0 (en) Optical recording medium
EP0179436A3 (en) Optical recording medium
EP0252514A3 (en) Optical recording medium
EP0243958A3 (en) Optical information recording medium
GB2164061B (en) Optical recording medium
EP0189188A3 (en) Optical recording medium
EP0231009A3 (en) Optical recording medium
EP0224261A3 (en) Optical recording medium
EP0257215A3 (en) Optical recording medium
EP0183570A3 (en) Optical recording medium
EP0310344A3 (en) Optical recording medium
DE3666301D1 (en) Optical recording medium
EP0264198A3 (en) Optical information recording medium
EP0333205A3 (en) Optical recording medium
EP0499345A3 (en) Optical recording medium
GB8723939D0 (en) Optical record medium
GB2158281B (en) Optical recording medium
EP0188331A3 (en) Optical recording medium
EP0166614A3 (en) Encoated optical recording medium

Legal Events

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

Effective date: 19930723