EP1421582A1 - Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant - Google Patents

Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant

Info

Publication number
EP1421582A1
EP1421582A1 EP02758471A EP02758471A EP1421582A1 EP 1421582 A1 EP1421582 A1 EP 1421582A1 EP 02758471 A EP02758471 A EP 02758471A EP 02758471 A EP02758471 A EP 02758471A EP 1421582 A1 EP1421582 A1 EP 1421582A1
Authority
EP
European Patent Office
Prior art keywords
light
weight
stands
phthalocyanine
formula
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.)
Withdrawn
Application number
EP02758471A
Other languages
German (de)
English (en)
Inventor
Horst Berneth
Friedrich-Karl Bruder
Wilfried Haese
Rainer Hagen
Karin HASSENRÜCK
Serguei Kostromine
Peter Landenberger
Rafael Oser
Thomas Sommermann
Josef-Walter Stawitz
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.)
Lanxess Deutschland GmbH
Original Assignee
Bayer Chemicals 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
Priority claimed from DE2001140165 external-priority patent/DE10140165A1/de
Application filed by Bayer Chemicals AG filed Critical Bayer Chemicals AG
Priority to EP02758471A priority Critical patent/EP1421582A1/fr
Publication of EP1421582A1 publication Critical patent/EP1421582A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C09B47/00—Porphines; Azaporphines
    • C09B47/04—Phthalocyanines abbreviation: Pc
    • 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
    • C09B44/00—Azo dyes containing onium groups
    • C09B44/10—Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system
    • 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
    • C09B47/00—Porphines; Azaporphines
    • C09B47/04—Phthalocyanines abbreviation: Pc
    • C09B47/045—Special non-pigmentary uses, e.g. catalyst, photosensitisers of phthalocyanine dyes or pigments
    • 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
    • C09B47/00—Porphines; Azaporphines
    • C09B47/04—Phthalocyanines abbreviation: Pc
    • C09B47/08—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex
    • C09B47/085—Preparation from other phthalocyanine compounds, e.g. cobaltphthalocyanineamine complex substituting the central metal atom
    • 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
    • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
    • C09B67/0097—Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with dyes
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • G11B7/00455—Recording involving reflectivity, absorption or colour changes
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • G11B7/00718—Groove and land recording, i.e. user data recorded both in the grooves and on the lands
    • 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
    • G11B7/242—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
    • G11B7/246—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 containing dyes
    • G11B7/247—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 containing dyes methine or polymethine dyes
    • 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
    • G11B7/246—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 containing dyes
    • G11B7/248—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 containing dyes porphines; azaporphines, e.g. phthalocyanines
    • 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
    • G11B7/249—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 containing organometallic compounds
    • 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
    • G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/254—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 protective topcoat layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/21—Circular sheet or circular blank

Definitions

  • the invention relates to a write-once optical data carrier which contains at least one phthalocyanine dye in the information layer as a light-absorbing compound, and to a process for its preparation and the application of the above-mentioned dyes to a polymer substrate, in particular polycarbonate Spin coating, vapor deposition or sputtering.
  • the write-once optical data carriers using special light-absorbing substances or their mixtures are particularly suitable for use with high-density writable optical data storage devices that work with blue laser diodes, in particular GaN or SHG laser diodes (360 - 460 nm) and / or for use with DVD-R or CD-R discs that work with red (635 - 660 nm) or infrared (780 - 830 nm) laser diodes.
  • the next generation of optical data storage media - the DVD - was recently launched.
  • the storage density can be increased by using shorter-wave laser radiation (635 to 660 nm) and a higher numerical aperture NA.
  • the write-once format is the DVD-R.
  • the recordable information layer made of light-absorbing organic substances must be as amorphous as possible
  • the amorphous layer of light-absorbing substances should preferably have a high heat resistance, since otherwise further layers of organic or inorganic material, which are applied to the light-absorbing information layer by sputtering or vapor deposition, are diffused by diffusion Form interfaces and thus adversely affect reflectivity.
  • a light-absorbing substance with too low heat resistance at the interface to a polymeric carrier can diffuse in the latter and in turn adversely affect the reflectivity.
  • An excessively high vapor pressure of a light-absorbing substance can sublimate the above-mentioned sputtering or vapor deposition of further layers in a high vacuum and thus reduce the desired layer thickness. This in turn leads to a negative influence on the reflectivity.
  • the object of the invention is accordingly to provide suitable connections which meet the high requirements (such as light stability, favorable signal-to-noise ratio, damage-free application to the substrate material, etc.) for use in the information layer in a write-once optical data carrier, in particular for high-density recordable optical media data storage
  • Phthalocyanines show an intense absorption in the for the
  • Laser important wave range 360 - 460 nm the so-called B or Soret band.
  • the present invention therefore relates to an optical data carrier, comprising a preferably transparent substrate, possibly already coated with one or more reflection layers, on the surface of which an information layer which can be written on with light, optionally one or more reflection layers and optionally a protective layer or a further substrate or Cover layer are applied, which with blue light, preferably laser light, particularly preferably light with a wavelength of 360-460 nm, in particular 380-420 nm, very particularly preferably 390-410 nm, or with infrared light, preferably laser light, particularly preferably light with a wavelength from 760 - 830 nm, can be described and read, the information layer containing a light-absorbing compound and optionally a binder, characterized in that at least one phthalocyanine of the formula (I) is used as the light-absorbing compound
  • Me stands for a doubly axially substituted metal atom from the group Si, Ge and Sn,
  • Pc stands for an unsubstituted phthalocyanine
  • Xi and X 2 independently of one another represent halogen, in particular fluorine, chlorine or bromine.
  • phthalocyamines of the formula (I) are used, in which X 1 and X 2 each represent chlorine.
  • the phthalocyanines used according to the invention are, for example, from Carl W. Dirk et. al. J. Am. Chem. Soc. 1983, 105, 1539 - 1550 are known as precursors for the production of electrically conductive polymers and can be produced as described there.
  • the light absorbing compounds are thermally changeable.
  • the thermal change preferably takes place at a temperature of ⁇ 600 ° C.
  • Such a change can be, for example, a decomposition or chemical change in the chromophoric center of the light-absorbing compound.
  • optical data carrier can preferably be written and read with laser light with a wavelength of 360-460 nm.
  • the invention further relates to the use of the phthalocyanines of the formula (I) as light-absorbing compounds in the information layer of optical storage media.
  • a phthalocyanine of the formula (Ib) with the following reflectivity maxima at 2 ⁇ (theta), measured in degrees, is likewise particularly preferably used in the X-ray diffractogram: 10.6, 11.4, 11.8, 12.3, 13.9, 14.6, 15.3, 15.5, 17.4, 18.4, 19.7, 20.5 , 22.3, 22.7, 23.0,
  • the invention further relates to a particulate solid preparation of a compound of formula (I), characterized in that the particles have a medium
  • Particle size from 0.5 microns to 10 mm.
  • particulate solid preparations those are preferred which have an average particle size of 0.5 to 20 ⁇ m, in particular 1 to 10 ⁇ m - hereinafter referred to as finely divided powder.
  • finely divided powder Such fine-grained
  • Powders can be produced, for example, by grinding.
  • particulate solid preparations with an average particle size of 50 to 300 ⁇ m - hereinafter referred to as fine crystalline form.
  • Further preferred particulate solid preparations are those with an average particle size of 50 ⁇ m to 10 mm, preferably 100 ⁇ m to 800 ⁇ m, which form a particulate shaped body as agglomerates or conglomerates of primary particles.
  • Such moldings can have the shape of drops, raspberries, scales or sticks, for example - hereinafter referred to as granules.
  • the particle size of the finely crystalline form can be set, for example, by means of the synthesis parameters.
  • rapid heating for example in the range from 30 to 60 min, of the mixture of the components
  • a coarse particle shape is preferably formed by, for example, slow heating, for example in the range from 65 to 250 min, of the mixture of the components to the reaction temperature, for example 160 to 220 ° C.
  • the particulate solid preparations according to the invention preferably contain 80-100% by weight, preferably 95-100% phthalocyanine, 0.1-1.0% by weight, preferably 0.1-0.5% by weight, residual moisture, 0-10% by weight. %, inorganic salts, 0 '- 10 wt.% o, preferably 0 - 5 wt.%>, further additives such as, for example
  • Dispersing agents, surfactants and / or wetting agents the percentages being based in each case on the preparation and, the sum of the proportions given being 100%.
  • the solid preparations according to the invention are preferably low-dust, free-flowing and are notable for good storage stability.
  • the granules can be produced in various ways, for example by spray drying granulation, fluidized bed spray granulation, fluidized bed build-up granulation or powder-fluidized bed agglomeration.
  • Granulation by spray drying is preferred, with both rotary disks and single-substance or two-substance nozzles being suitable as the spray element.
  • the inlet and outlet temperatures for spray drying depend on the desired residual moisture, safety measures and economic considerations.
  • the inlet temperature is preferably 120-200 ° C, in particular 140-180 ° C, and the outlet temperature preferably 40-80 ° C.
  • the procedure is generally such that the dye filter cake is mixed intensively, if appropriate with auxiliaries and additives, in a stirred kettle.
  • the crystals of the suspension are preferably ground in a mill, e.g. a bead mill, so that a finely divided, sprayable suspension is obtained.
  • the dye suspension is an aqueous suspension.
  • the granulation takes place during spray drying.
  • the invention further relates to a method for coating substrates with the phthalocyanines of the formula (I). It is preferably carried out by spin coating, sputtering or vacuum evaporation.
  • the phthalocyanines of the formulas (Ia), (Ib), (Ic) and (Id) can in particular be applied by vacuum evaporation or sputtering, in particular vacuum evaporation.
  • phthalocyanines of the formula (I) i.e. H. finely divided powders, finely crystalline forms or granules, particulate solid preparations, solid moldings and dispersions.
  • the latter serve in particular to apply the phthalocyanines in fine particles to a surface from which they can then be applied to the substrate by sputtering or vacuum evaporation.
  • the invention relates in particular to an optical data carrier as described above, the light-absorbing compound of the formula (I), optionally together with the additives mentioned above, forming an information layer which is optically amorphous.
  • Amorphous is understood to mean that no crystallites can be observed by light microscopy and that no X-rays can be used to observe Bragg reflections but only an amorphous halo.
  • the optical data storage device can carry further layers such as metal layers, dielectric layers and protective layers.
  • Metals and dielectric layers serve u. a. to adjust the reflectivity and the heat balance. Depending on the laser wavelength, metals can be gold, silver, aluminum, alloys, etc. his.
  • Dielectric layers are, for example, silicon dioxide and silicon nitride.
  • Protective layers are, for example, photocurable lacquers, adhesive layers and protective films.
  • the adhesive layers can be pressure sensitive.
  • Pressure-sensitive adhesive layers mainly consist of acrylic adhesives.
  • the optical data carrier has, for example, the following layer structure (cf.
  • a transparent substrate (1) optionally a protective layer (2), an information layer (3), optionally a protective layer (4), optionally an adhesive layer (5), a cover layer (6).
  • the structure of the optical data carrier can preferably:
  • a transparent substrate (1) on the surface of which at least one information layer (3) which can be written on with light and which can be written on with light, preferably laser light, optionally a protective layer (4), optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
  • a transparent substrate (1) on the surface of which a protective layer (2), at least one information layer (3) which can be written on with light, preferably laser light, optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
  • a preferably transparent substrate (1) on the surface of which there is optionally a protective layer (2), at least one information layer (3) that can be written on with light, preferably laser light, and optionally one
  • Protective layer (4) optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
  • a preferably transparent substrate (1) on the surface of which at least one information that can be written on with light, preferably laser light tion layer (3), optionally an adhesive layer (5), and a transparent cover layer (6) are applied.
  • the optical data carrier has, for example, the following layer structure (cf. FIG. 2): a preferably transparent substrate (11), an information layer
  • the optical data carrier has, for example, the following layer structure (cf. FIG. 3): a preferably transparent substrate (21), an information layer
  • the structure of the optical data carrier can be:
  • Photocurable lacquers are particularly preferred as separating layers.
  • the invention further relates to optical data carriers according to the invention described with blue light, in particular laser light, particularly preferably laser light with a wavelength of 360-460 nm.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

L'invention concerne un support de données optique contenant un substrat de préférence transparent, éventuellement d'ores et déjà recouvert d'une ou de plusieurs couches de réflexion, sur la surface duquel sont appliqués une couche d'information photo-inscriptible et éventuellement une ou plusieurs couches de réflexion et éventuellement une couche de protection ou un autre substrat ou une couche de recouvrement. Ledit support de données est inscriptible et lisible avec de la lumière bleue, de préférence de la lumière laser ou avec de la lumière infrarouge, de préférence de la lumière laser. La couche d'information contient un composé photo-absorbant et éventuellement un liant. Ladite invention se caractérise en ce que le composé photo-absorbant utilisé est au moins une phtalocyanine de formule (I), dans laquelle Me désigne un atome de métal substitué deux fois dans le sens axial, du groupe Si, Ge et Sn ; Pc désigne une phtalocyanine non substituée et X1 et X2 désignent indépendamment l'un de l'autre, halogène, notamment fluor, chlore ou brome.
EP02758471A 2001-08-22 2002-08-19 Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant Withdrawn EP1421582A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP02758471A EP1421582A1 (fr) 2001-08-22 2002-08-19 Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
DE2001140165 DE10140165A1 (de) 2001-08-22 2001-08-22 Optischer Datenträger enthaltend in der Informationsschicht einen Phthalocyaninfarbstoff als lichtabsorbierende Verbindung
DE10140165 2001-08-22
EP01123810 2001-10-04
EP01123810 2001-10-04
EP01130527 2001-12-21
EP01130527 2001-12-21
EP02005505 2002-03-11
EP02005505 2002-03-11
DE10212199 2002-03-19
DE10212199 2002-03-19
EP02758471A EP1421582A1 (fr) 2001-08-22 2002-08-19 Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant
PCT/EP2002/009240 WO2003019548A1 (fr) 2001-08-22 2002-08-19 Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant

Publications (1)

Publication Number Publication Date
EP1421582A1 true EP1421582A1 (fr) 2004-05-26

Family

ID=27512422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02758471A Withdrawn EP1421582A1 (fr) 2001-08-22 2002-08-19 Support de donnees optique contenant dans la couche d'information, un colorant phtalocyanine comme compose photoabsorbant

Country Status (6)

Country Link
US (1) US6896945B2 (fr)
EP (1) EP1421582A1 (fr)
JP (1) JP2005500923A (fr)
CN (1) CN1545702A (fr)
TW (1) TWI256635B (fr)
WO (1) WO2003019548A1 (fr)

Families Citing this family (16)

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US20030113665A1 (en) * 2001-03-28 2003-06-19 Horst Berneth Optical data medium containing, in the information layer, a dye as a light-absorbing compound
CN1643587A (zh) * 2002-03-19 2005-07-20 拜尔化学品股份公司 在光数据载体信息层中作为光吸收化合物的方酸类染料
KR20060028434A (ko) * 2003-06-27 2006-03-29 시바 스페셜티 케미칼스 홀딩 인크. 저장 밀도가 높은 광학 기록 재료
DE10329711A1 (de) * 2003-07-02 2005-01-27 Bayer Chemicals Ag Verfahren zur Herstellung von alkoxysubstituierten Phthalocyaninen
JP2005141809A (ja) * 2003-11-05 2005-06-02 Fuji Photo Film Co Ltd 光記録媒体および情報記録方法
JP2005196818A (ja) * 2003-12-26 2005-07-21 Toshiba Corp 光ディスク
WO2005081240A2 (fr) * 2004-02-24 2005-09-01 Ciba Specialty Chemicals Holding Inc. Matieres d'enregistrement optique inscriptibles utilisant des lasers bleus
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US20030064192A1 (en) 2003-04-03
US6896945B2 (en) 2005-05-24
CN1545702A (zh) 2004-11-10
TWI256635B (en) 2006-06-11
JP2005500923A (ja) 2005-01-13

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