JPS6339390A - 光学記録媒体 - Google Patents

光学記録媒体

Info

Publication number
JPS6339390A
JPS6339390A JP62189039A JP18903987A JPS6339390A JP S6339390 A JPS6339390 A JP S6339390A JP 62189039 A JP62189039 A JP 62189039A JP 18903987 A JP18903987 A JP 18903987A JP S6339390 A JPS6339390 A JP S6339390A
Authority
JP
Japan
Prior art keywords
formula
recording medium
light
medium according
compound
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.)
Pending
Application number
JP62189039A
Other languages
English (en)
Japanese (ja)
Inventor
ハンスルドルフ シュヴアンダー
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 JPS6339390A publication Critical patent/JPS6339390A/ja
Pending 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
    • G11B7/24Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/242Record 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
    • G11B7/244Record 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
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B1/00Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16Amino-anthraquinones
    • C09B1/20Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • 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
    • G11B7/241Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
    • G11B7/252Record 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
    • G11B7/258Record 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)
JP62189039A 1986-07-30 1987-07-30 光学記録媒体 Pending JPS6339390A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH3064/86-0 1986-07-30
CH3064/86A CH670912A5 (es) 1986-07-30 1986-07-30

Publications (1)

Publication Number Publication Date
JPS6339390A true JPS6339390A (ja) 1988-02-19

Family

ID=4247818

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62189039A Pending JPS6339390A (ja) 1986-07-30 1987-07-30 光学記録媒体

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
GB2193723B (en) 1990-07-04
CH670912A5 (es) 1989-07-14
GB2193723A (en) 1988-02-17

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