CH670912A5 - - Google Patents

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Publication number
CH670912A5
CH670912A5 CH3064/86A CH306486A CH670912A5 CH 670912 A5 CH670912 A5 CH 670912A5 CH 3064/86 A CH3064/86 A CH 3064/86A CH 306486 A CH306486 A CH 306486A CH 670912 A5 CH670912 A5 CH 670912A5
Authority
CH
Switzerland
Prior art keywords
formula
light
recording medium
compounds
medium according
Prior art date
Application number
CH3064/86A
Other languages
German (de)
English (en)
Inventor
Hansrudolf Dr Schwander
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
Priority to CH3064/86A priority Critical patent/CH670912A5/de
Priority to GB8717515A priority patent/GB2193723B/en
Priority to DE19873724836 priority patent/DE3724836A1/de
Priority to FR8710694A priority patent/FR2602365A1/fr
Priority to JP62189039A priority patent/JPS6339390A/ja
Publication of CH670912A5 publication Critical patent/CH670912A5/de

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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • 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

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
CH3064/86A 1986-07-30 1986-07-30 CH670912A5 (es)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CH3064/86A CH670912A5 (es) 1986-07-30 1986-07-30
GB8717515A GB2193723B (en) 1986-07-30 1987-07-23 Optical recording medium
DE19873724836 DE3724836A1 (de) 1986-07-30 1987-07-27 Optisches aufzeichnungsmedium
FR8710694A FR2602365A1 (fr) 1986-07-30 1987-07-28 Milieux d'enregistrement optique, colorants contenus dans ces milieux, et preparation et utilisation de ces colorants
JP62189039A JPS6339390A (ja) 1986-07-30 1987-07-30 光学記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH3064/86A CH670912A5 (es) 1986-07-30 1986-07-30

Publications (1)

Publication Number Publication Date
CH670912A5 true CH670912A5 (es) 1989-07-14

Family

ID=4247818

Family Applications (1)

Application Number Title Priority Date Filing Date
CH3064/86A CH670912A5 (es) 1986-07-30 1986-07-30

Country Status (5)

Country Link
JP (1) JPS6339390A (es)
CH (1) CH670912A5 (es)
DE (1) DE3724836A1 (es)
FR (1) FR2602365A1 (es)
GB (1) GB2193723B (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5270150A (en) * 1990-04-25 1993-12-14 Victor Company Of Japan, Ltd. Optical recording medium and process for producing it
EP0455124B1 (en) * 1990-04-25 1996-12-18 Victor Company Of Japan, Limited Optical recording medium and process for producing it
US5608091A (en) * 1993-12-28 1997-03-04 Nippon Shokubai Co., Ltd. Quinizarin compound, method for production thereof, and use therefor

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 (en) * 1979-06-04 1982-07-20 James H. Sharp Optical disc
US4457855A (en) * 1981-06-08 1984-07-03 The Clorox Company Stable hypochlorite solution suspendable dyes
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
FR2602365A1 (fr) 1988-02-05
DE3724836A1 (de) 1988-02-11
GB8717515D0 (en) 1987-08-26
JPS6339390A (ja) 1988-02-19
GB2193723B (en) 1990-07-04
GB2193723A (en) 1988-02-17

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Legal Events

Date Code Title Description
PL Patent ceased