WO1999024527A1 - Composition fluorescente pour fabriquer des disques optiques du type cd-rom - Google Patents

Composition fluorescente pour fabriquer des disques optiques du type cd-rom Download PDF

Info

Publication number
WO1999024527A1
WO1999024527A1 PCT/US1998/023625 US9823625W WO9924527A1 WO 1999024527 A1 WO1999024527 A1 WO 1999024527A1 US 9823625 W US9823625 W US 9823625W WO 9924527 A1 WO9924527 A1 WO 9924527A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluorescent composition
fluorescent
dyes
pits
composition
Prior art date
Application number
PCT/US1998/023625
Other languages
English (en)
Inventor
Mark Alperovich
Boris Glushko
Vladimir Krupkin
Eugene Levich
Irene Zuhl
Original Assignee
Omd Devices Llc
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 Omd Devices Llc filed Critical Omd Devices Llc
Priority to AU13840/99A priority Critical patent/AU1384099A/en
Priority to US09/530,114 priority patent/US6835431B1/en
Priority to EP98957623A priority patent/EP1036129A4/fr
Priority to JP2000520526A priority patent/JP2001522745A/ja
Publication of WO1999024527A1 publication Critical patent/WO1999024527A1/fr

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
    • G11B7/26—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
    • G11B7/24—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
    • 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
    • G11B7/245—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 a polymeric component
    • 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
    • G11B7/2472—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 cyanine
    • 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
    • G11B7/246—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
    • G11B2007/24624—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 fluorescent 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
    • 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
    • G11B7/2533—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 resins
    • G11B7/2534—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 resins polycarbonates [PC]
    • 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
    • G11B7/256—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 layers improving adhesion between layers

Definitions

  • This invention relates generally to optical materials for, and to a method of, forming optical memory discs of the CD-ROM type for use with fluorescent reading, including disks for three-dimensional (3D) optical memory systems.
  • information is written in the form of local changes to the active medium optical thickness or the reflection coefficient, while reading is performed using laser emission and is based on the laser beam phase or amplitude changes in information record centers.
  • CD-ROM's are the least expensive and most sophisticated of the optical information carriers. However, both the storage volume and the signal-to-noise ratio of currently used
  • CD-ROM's are inadequate for the new generations of computers and video systems now under development.
  • a promising approach to the increase of optical information carrier capacity consists of - increasing the number of information bits per active layer by shortening the pits and increasing their amount, and
  • the pit size is halved and the number of active layers is increased to 4, two on each side of the substrate. This has enabled the disk capacity to be increased up to 20 GB.
  • the fluorescent light is excited and registered with a detector.
  • optical disks proposed in the first of the above references are so constructed
  • form A transforms to form B.
  • Form B absorbs two reading emission photons and emits the fluorescent light which is absorbed by a detector.
  • Materials of this type are intended for repeatedly rewritten memory, because heating or irradiation results in erasing
  • dyes belonging to these classes exhibit satisfactory fluorescence capacity in polymer matrices provided that true solutions have been formed, i.e. dyes are present in the polymer in a molecularly dispersed state.
  • dyes are usually applied to a grooved substrate by spin coating or another method, e.g. vacuum evaporation, in the form of polycrystalline or amorphous opaque thin films having a thickness of about 10 nm. For this reason, and due to the fact that the laser wavelength being used for reading by the reflection coefficient variation method may not coincide with the dye absorption maximum, the dye concentration of the
  • a fluorescent composition meeting a number of specific requirements is used. The most important of these requirements are as follows:
  • the absorption bandwidth of the fluorescent compound should coincide with the emission wavelength of a laser used for reading.
  • the material should have the maximum possible quantum yield of fluorescence
  • the fluorescent composition should not scatter the excitation laser emission and fluorescent light passing through it.
  • the fluorescent dye should be readily compatible with a matrix, forming a true solution of the needed concentration in the matrix, and should not migrate from it.
  • the fluorescent composition should penetrate the pits easily and not color space
  • the refraction index of the fluorescent composition must be close to that of a pit-
  • Still another object of the present invention is to develop a fluorescent composition exhibiting physical and physicochemical properties needed for use in CD-ROM type optical disks, including those intended for a 3D optical memory with fluorescence reading, where data carriers represent pits filled with fluorescent composition.
  • This fluorescent composition consisting of fluorescent dye, film-forming polymer, organic solvent, plastifier and (if necessary) surfactant and light stabilizer provides forming active layers of CD-ROM's with fluorescence reading, free from the drawbacks of prior art optical disks with active layers based on polymer films containing organic dyes.
  • composition including:
  • a fluorescent dye whose absorption band coincides with the wavelength of the laser emission used for reading, this dye having a high quantum yield of fluorescence, forming a true solution with a polymer matrix and not migrating from the matrix;
  • the composition may be completed with surfactants that reduce the surface tension of the composition and thus improve substrate surface wetting and penetration
  • the fluorescent composition After being applied to the substrate and dried, the fluorescent composition has a refractive index close to that of substrate.
  • Fig. 1 shows a cross-sectional view of a portion of an optical disk according to a preferred embodiment of the present invention during an intermediate stage in its formation
  • Fig. 2 shows a cross-sectional view of a portion of the completed optical disk.
  • the CD-ROM multilayer optical disk of the invention is shown in Fig. 1 wherein a
  • substrate 1 having pits 3 is filled with a fluorescent composition 5 having the properties described herein.
  • the multilayered structure can be formed by either glueing at least one other layer of substrate 9 to the substrate 1 by the adhesive layer 7.
  • the adhesive is preferably a UV or photo cured adhesive that is cured with light ray 11.
  • layers of substrate 9 can be cast or coated onto substrate 1 as long as the casting or coating process
  • a multi layered optical disk is shown in Fig. 2 the disk 13 as shown has ten layers.
  • the fluorescent composition used for the manufacture of CD-ROM type optical disks, including those intended for the 3D optical memory with fluorescence reading, where pits filled with this fluorescent composition play the role of data carriers, is produced as follows:
  • a transparent solution is obtained with the following concentration values: film-forming polymer 0.2 - 5.0 wt. %, fluorescent dye 0.001 - 0.1 mole/kg, plastisizer 1.0 - 50 wt. % w.r.t. the polymer, surfactant 0.01 - 2.0 wt. % w.r.t. the polymer, and light-stabilizer 0.1 - 2.0 wt. % w.r.t. the polymer.
  • the fluorescent composition solution is applied by spin coating, roller
  • the coating is applied so that the pits are filled with the composition, while the substrate surface among the pits remains uncolored and does not fluoresce.
  • the remaining fluorescent composition is removed from the substrate surface by rinsing with
  • Xanthene dyes of the eosine group including fluorescine, eosine, erythrosine.
  • R stands for H, Cl, Br, or I
  • R stands for H, Na, Alk
  • R 2 stands for H, Cl.
  • Xanthene dyes of the rhodamine group including rhodamine B, 3B, C, G, 6G, 101, of the general structure II
  • R stands for H, CH 3 , C 2 H 5 , CH 2 COOH, C 2 H 4 OH;
  • R stands for H, Na, CH 3 C 2 H 5 , Ar; and
  • X is an anion selected from Cl “ , Br “ , I “ , F “ , HCO 2 “ , CH 5 CO 2 “ ,C10 4 "
  • R stands for H, CH 3 , C 2 H 5 ;
  • R stands for H, C 6 H 5 ;
  • R 2 stands for H, Alkyl;
  • R 3 stands for H, CH 3 ;
  • X is an anion selected from F, Cl, Br, I, HCOO, CH 3 CHOHCOO, ClO 4 , etc..
  • R stands for H, CH 3 , and benzo-group
  • R stands for H, CH 3 , C 2 H 5
  • X is an anion
  • R stands for phenyl, naphthyl
  • R stands for H, alkyl, phenyl
  • R 2 stands for H, benzo-
  • R 3 stands for H, SO 3 H
  • X is an anion
  • M stands for 2H, metal, metal oxide, metal halide.
  • R stands for Alk, Ar, C 6 F 5 , C 6 H n ; M stands for 2H, Mg, A1C1, Fe +3 etc..
  • film-forming polymers exhibiting high transparency, easily penetrating pits and easily removable from the substrate surface are used. They include the following high-molecular compounds:
  • R stands for H, CH, . C 2 H 5 , C 3 H 7 , C 4 H 9 .
  • This group includes polyvinylbutyral containing 55 to 75 mol. % of butyral group and having a glass transition temperature of 55°C; polyvinylformal with an acetalization degree of 75 to 85 mol. %; and polyvinylethylal.
  • These polymers may be used together with phenol-formaldehyde resins.
  • This group includes polymetylmetacrylate, polybutylmetacrylate, and
  • metylmetacrylate- or butylmetacrylate-metacrylic acid copolymers are metylmetacrylate- or butylmetacrylate-metacrylic acid copolymers.
  • Cellulose ethers and esters of the general structure [C 6 H 7 O 2 (OR) 3 ] n (XIV) and [C 6 H 7 O 2 (OCOR) 3 ] n (XV), respectively, including ethyl cellulose with ⁇ 230 - - 260 (where ⁇ is the number of substituted hydroxyl groups per 100 glycoside residues of the cellulose macromolecule), cellulose acetobutyrate, and cellulose nitrate (with a nitrogen content of 9 -
  • phenol-formaldehyde resins (resols and novolacs), melamine- formaldehyde resins, urea- formaldehyde resins, and polyvinylacetate may be used as film- forming polymers for fluorescent compositions.
  • Solvents being used for fluorescent compositions wet the substrate surface well, help
  • composition penetration into the pits but do not interact with the substrate material and produce no pit deformation.
  • polycarbonate disks only dioxane and aliphatic alcohols, methanol, ethanol, propanol, isopropanol, isobutanol, pentanol and their mixtures may be used as solvents.
  • Film-forming polymers proposed in the present invention exhibit various ranges of a highly elastic state and, therefore, provide different plasticity of coatings.
  • An inadequate plasticity of the polymer hinders the penetration of the fluorescent composition in small pits of size 0.1 - 1.0 ⁇ m.
  • plastifiers are used. As plastifiers allow the decrease of the flow point and glass transition temperature, as well as the elasticity modulus of
  • fluorescent composition proposed are phtalic esters (including dibutyl phtalate and dioctyl phtalate), sebacic esters (including dibutyl sebacate and di-(2-ethyl-hexyl) sebacate), and phosphate esters (including tributyl phosphate and tricresyl phosphate).
  • phtalic esters including dibutyl phtalate and dioctyl phtalate
  • sebacic esters including dibutyl sebacate and di-(2-ethyl-hexyl) sebacate
  • phosphate esters including tributyl phosphate and tricresyl phosphate
  • non-ionogenic compounds like Tritons X and
  • FC-430 and FC-431 Fluorosurfactants produced by the 3M Company can be used.
  • HALS Hindered Amine Light Stabilizers
  • Tinuvins 292, 144, 622, and 770 are used as light-stabilizers.
  • Multilayer optical disks are manufactured using adhesives which provide a good shrinkage-free adhesion of the surfaces being connected, produce no adverse effect on the properties of fluorescing pits and signal-to-noise ratio, transparent for laser excitation and fluorescence light. These requirements are met by UV-light cured optical adhesives, preferably P-92, UV-71, UV-69, UV-74, J-91, VTC-2, SK-9. from Summers Laboratories,
  • Tinuvin 292 0.5 wt. % w.r.t. PVB
  • composition solution is filtered, allowed to stand at 40°C for aeration and applied
  • the fluorescent composition layer is treated with ethyl alcohol for 20 seconds while remaining on
  • the fluorescent composition has an absorption maximum at 645 nm and a fluorescence maximum at 680 nm
  • Example 2 A composition similar to that of Example 1 , except that nile blue (perchlorate) is used as a fluorescing dye. A 6.3-g/l solution in ethyl alcohol is taken in proportion giving a
  • the fluorescent composition has an absorption maximum at 630 nm and a fluorescence maximum at 665 nm.
  • Example 2 A composition similar to that of Example 1 , except that cyanine dye HITC (iodide) is used as a fluorescing dye.
  • a 5.1 -g/1 solution in ethyl alcohol is taken in proportion giving a concentration of 0.8 wt. % w.r.t. PVB.
  • the fluorescent composition has an absorption maximum at 640 nm and a fluorescence maximum at 680 nm.
  • Example 2 A composition similar to that of Example 1, except that cyanine dye HITC (perchlorate) is used as a fluorescing dye. A 5.3-g/l solution in ethyl alcohol is taken in proportion giving a
  • the fluorescent composition has an absorption maximum at 755 nm and a fluorescence maximum at 800 nm and is suitable for fluorescence reading by diode laser with an emission wavelength of 780 nm.
  • methacrylate copolymer resin 2550 (Elvacite acrylic resins, DuPont) with a concentration of 7.5 g/1 is used as a film-forming polymer, and dioctyl
  • phtalate with a concentration of 40 wt. % w.r.t. copolymer 2550 is used as a plastifier.
  • Triton X-45 and Tinuvin 292 are not used. Using oxazine 1
  • oxazine 1 as a fluorescent dye
  • the adhesive is cured with UV light 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

L'invention concerne un disque optique du type CD-ROM à une couche ou à plusieurs couches. Ce disque est formé sur un substrat dont la surface présente des microcuvettes, qui sont remplies avec une composition fluorescente. Plusieurs disques de ce type peuvent être collés les uns sur les autres. Les compositions fluorescentes adéquates peuvent être des colorants de xanthène du groupe éosine, des colorants de xanthène du groupe rhodamine, des colorants d'acridine, des colorants d'oxazine, des colorants aziniques, des colorants indigoïdes, des colorants de pérylène, des colorants de violanthrone, des colorants de cyanine, des colorants de phtalocyanine, et des porphyrines.
PCT/US1998/023625 1997-11-07 1998-11-06 Composition fluorescente pour fabriquer des disques optiques du type cd-rom WO1999024527A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU13840/99A AU1384099A (en) 1997-11-07 1998-11-06 Fluorescent composition for the manufacture of cd-rom type optical memory disks
US09/530,114 US6835431B1 (en) 1997-11-07 1998-11-06 Fluorescent composition for the manufacture of CD-ROM type optical memory disks
EP98957623A EP1036129A4 (fr) 1997-11-07 1998-11-06 Composition fluorescente pour fabriquer des disques optiques du type cd-rom
JP2000520526A JP2001522745A (ja) 1997-11-07 1998-11-06 Ｃｄ−ｒｏｍ型光記録ディスクの製造のための蛍光組成物

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6438897P 1997-11-07 1997-11-07
US60/064,388 1997-11-07

Publications (1)

Publication Number Publication Date
WO1999024527A1 true WO1999024527A1 (fr) 1999-05-20

Family

ID=22055623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1998/023625 WO1999024527A1 (fr) 1997-11-07 1998-11-06 Composition fluorescente pour fabriquer des disques optiques du type cd-rom

Country Status (4)

Country Link
EP (1) EP1036129A4 (fr)
JP (1) JP2001522745A (fr)
AU (1) AU1384099A (fr)
WO (1) WO1999024527A1 (fr)

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000048177A1 (fr) * 1999-02-12 2000-08-17 Trid Store Ip, L.L.C. Procede permettant d'augmenter le signal fluorescent de disques optiques a lecture fluorescente
WO2000055850A1 (fr) * 1999-03-16 2000-09-21 Trid Store Ip, L.L.C. Supports d'informations optiques multi-couches a lecture/enregistrement par fluorescence et procede de fabrication
WO2001073779A2 (fr) * 2000-03-28 2001-10-04 Mempile Inc. Memoire optique tridimensionnelle
US6381169B1 (en) 1999-07-01 2002-04-30 The Regents Of The University Of California High density non-volatile memory device
US6728129B2 (en) 2002-02-19 2004-04-27 The Regents Of The University Of California Multistate triple-decker dyads in three distinct architectures for information storage applications
WO2004077423A1 (fr) * 2003-02-27 2004-09-10 Koninklijke Philips Electronics N.V. Support d'informations fluorescent a plusieurs empilements et comprenant des materiaux electrochromes
WO2005008640A2 (fr) * 2003-07-22 2005-01-27 Koninklijke Philips Electronics N.V. Support d'enregistrement optique a materiau actif a emission spontanee amplifiee, dispositif et methode de lecture de ce support d'enregistrement optique
WO2005020224A1 (fr) * 2003-08-11 2005-03-03 Hewlett-Packard Development Company, L.P. Systemes et procedes de stockage de donnees sur un disque optique
WO2005031723A2 (fr) * 2003-09-30 2005-04-07 Koninklijke Philips Electronics N.V. Support d'information optique a contraste eleve
US6921475B2 (en) 2001-03-23 2005-07-26 The Regents Of The University Of California Open circuit potential amperometry and voltammetry
US7042755B1 (en) 1999-07-01 2006-05-09 The Regents Of The University Of California High density non-volatile memory device
US7101655B1 (en) 1999-02-12 2006-09-05 D Data Inc. Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs
WO2011147857A1 (fr) * 2010-05-25 2011-12-01 Sicpa Holding Sa Colorants à base de pérylène liés à un polymère et compositions en contenant
CN102286008A (zh) * 2010-09-10 2011-12-21 郑州轻工业学院 氧杂蒽-9-羧酸镉配合物及其制备方法
US8293536B2 (en) 2006-10-30 2012-10-23 Sysmex Corporation Reagent, reagent kit and analyzing method
WO2013063593A1 (fr) * 2011-10-27 2013-05-02 Chromatic Technologies, Inc. Encres photochromiques
US8859688B2 (en) 2011-05-25 2014-10-14 Sicpa Holding Sa Polymer-bonded quaterrylene and/or terrylene dyes and compositions containing same
US9062207B2 (en) 2011-11-23 2015-06-23 Sicpa Holding Sa Polycyclic aromatic hydrocarbon compounds containing an S atom or S(═O)2 group in their basic structure
US9249320B2 (en) 2011-11-10 2016-02-02 Sicpa Holding Sa Polymer-bonded polycyclic aromatic hydrocarbons having nitrogen containing substituents
US9275671B2 (en) 2011-06-09 2016-03-01 Case Western Reserve University Optical information storage medium
CN109073807A (zh) * 2016-12-26 2018-12-21 株式会社Lg化学 起偏振器保护膜、包括其的偏光板、包括所述偏光板的液晶显示器和起偏振器保护膜用涂覆组合物
US11211091B2 (en) 2011-06-09 2021-12-28 Case Western Reserve University Optical information storage medium

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927681A (en) * 1988-08-12 1990-05-22 Pioneer Electronic Corporation Optical information recording medium providing reflected light at two different wavelengths
US5205963A (en) * 1991-07-12 1993-04-27 Ems-Togo Ag Vinyl chloride plastisol compositions containing optical brighteners and process for their production

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56152878A (en) * 1980-04-28 1981-11-26 Pilot Ink Co Ltd Fluorescent ink for marking pen
JPS6389384A (ja) * 1986-10-03 1988-04-20 Oike Ind Co Ltd 蛍光性感熱転写媒体
JPS6487393A (en) * 1987-09-30 1989-03-31 Daicel Chem Optical information recording medium
JPH039882A (ja) * 1989-06-06 1991-01-17 Sanyo Chem Ind Ltd 光情報記録媒体
JPH0550757A (ja) * 1991-08-27 1993-03-02 Ricoh Co Ltd 光記録方法
JP3032873B2 (ja) * 1991-10-04 2000-04-17 株式会社サクラクレパス スキンマーク用紫外線発色性インキ組成物
NO301144B1 (no) * 1995-05-23 1997-09-15 Opticom As Optisk datalagring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927681A (en) * 1988-08-12 1990-05-22 Pioneer Electronic Corporation Optical information recording medium providing reflected light at two different wavelengths
US5205963A (en) * 1991-07-12 1993-04-27 Ems-Togo Ag Vinyl chloride plastisol compositions containing optical brighteners and process for their production

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1036129A4 *

Cited By (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7101655B1 (en) 1999-02-12 2006-09-05 D Data Inc. Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs
WO2000048177A1 (fr) * 1999-02-12 2000-08-17 Trid Store Ip, L.L.C. Procede permettant d'augmenter le signal fluorescent de disques optiques a lecture fluorescente
WO2000055850A1 (fr) * 1999-03-16 2000-09-21 Trid Store Ip, L.L.C. Supports d'informations optiques multi-couches a lecture/enregistrement par fluorescence et procede de fabrication
US6338935B1 (en) 1999-03-16 2002-01-15 Tridstore Ip Llc Multi-layer optical information carriers with fluorescent reading/recording and method for their production
US6657884B2 (en) 1999-07-01 2003-12-02 The Regents Of The University Of California High density non-volatile memory device
US6381169B1 (en) 1999-07-01 2002-04-30 The Regents Of The University Of California High density non-volatile memory device
US7061791B2 (en) 1999-07-01 2006-06-13 The Regents Of The University Of California High density molecular memory device
US7042755B1 (en) 1999-07-01 2006-05-09 The Regents Of The University Of California High density non-volatile memory device
US7518905B2 (en) 1999-07-01 2009-04-14 The Regents Of The University Of California High density memory device
US7011925B2 (en) 2000-03-28 2006-03-14 Mempile Inc. Three-dimensional optical memory
WO2001073779A3 (fr) * 2000-03-28 2002-02-07 Mempile Inc Memoire optique tridimensionnelle
WO2001073779A2 (fr) * 2000-03-28 2001-10-04 Mempile Inc. Memoire optique tridimensionnelle
US7826250B2 (en) 2001-03-23 2010-11-02 North Carolina State Univeristy Open circuit potential amperometry and voltammetry
US6921475B2 (en) 2001-03-23 2005-07-26 The Regents Of The University Of California Open circuit potential amperometry and voltammetry
US6728129B2 (en) 2002-02-19 2004-04-27 The Regents Of The University Of California Multistate triple-decker dyads in three distinct architectures for information storage applications
WO2004077423A1 (fr) * 2003-02-27 2004-09-10 Koninklijke Philips Electronics N.V. Support d'informations fluorescent a plusieurs empilements et comprenant des materiaux electrochromes
WO2005008640A3 (fr) * 2003-07-22 2005-04-07 Koninkl Philips Electronics Nv Support d'enregistrement optique a materiau actif a emission spontanee amplifiee, dispositif et methode de lecture de ce support d'enregistrement optique
WO2005008640A2 (fr) * 2003-07-22 2005-01-27 Koninklijke Philips Electronics N.V. Support d'enregistrement optique a materiau actif a emission spontanee amplifiee, dispositif et methode de lecture de ce support d'enregistrement optique
WO2005020224A1 (fr) * 2003-08-11 2005-03-03 Hewlett-Packard Development Company, L.P. Systemes et procedes de stockage de donnees sur un disque optique
WO2005031723A2 (fr) * 2003-09-30 2005-04-07 Koninklijke Philips Electronics N.V. Support d'information optique a contraste eleve
WO2005031723A3 (fr) * 2003-09-30 2005-05-26 Koninkl Philips Electronics Nv Support d'information optique a contraste eleve
US8597952B2 (en) 2006-10-30 2013-12-03 Sysmex Corporation Reagent, reagent kit and analyzing method
US8293536B2 (en) 2006-10-30 2012-10-23 Sysmex Corporation Reagent, reagent kit and analyzing method
EP1918709B1 (fr) * 2006-10-30 2015-04-01 Sysmex Corporation Procédé d'analyse de plaquettes
WO2011147857A1 (fr) * 2010-05-25 2011-12-01 Sicpa Holding Sa Colorants à base de pérylène liés à un polymère et compositions en contenant
US9029442B2 (en) 2010-05-25 2015-05-12 Sicpa Holding Sa Polymer-bonded perylene dyes and compositions containing same
CN102286008A (zh) * 2010-09-10 2011-12-21 郑州轻工业学院 氧杂蒽-9-羧酸镉配合物及其制备方法
CN102286008B (zh) * 2010-09-10 2013-09-25 郑州轻工业学院 氧杂蒽-9-羧酸镉配合物及其制备方法
US8859688B2 (en) 2011-05-25 2014-10-14 Sicpa Holding Sa Polymer-bonded quaterrylene and/or terrylene dyes and compositions containing same
US9275671B2 (en) 2011-06-09 2016-03-01 Case Western Reserve University Optical information storage medium
US11211091B2 (en) 2011-06-09 2021-12-28 Case Western Reserve University Optical information storage medium
US10229709B2 (en) * 2011-06-09 2019-03-12 Case Western Reserve University Optical information storage medium
WO2013063593A1 (fr) * 2011-10-27 2013-05-02 Chromatic Technologies, Inc. Encres photochromiques
US9738825B2 (en) 2011-10-27 2017-08-22 Chromatic Technologies, Inc. Photochromic inks
US9187668B2 (en) 2011-10-27 2015-11-17 Chromatic Technologies, Inc. Photochromic inks
US9249320B2 (en) 2011-11-10 2016-02-02 Sicpa Holding Sa Polymer-bonded polycyclic aromatic hydrocarbons having nitrogen containing substituents
US9505869B2 (en) 2011-11-23 2016-11-29 Sicpa Holding Sa Polycyclic aromatic hydrocarbon compounds containing an S atom or S(=O)2 group in their basic structure
US9062207B2 (en) 2011-11-23 2015-06-23 Sicpa Holding Sa Polycyclic aromatic hydrocarbon compounds containing an S atom or S(═O)2 group in their basic structure
CN109073807A (zh) * 2016-12-26 2018-12-21 株式会社Lg化学 起偏振器保护膜、包括其的偏光板、包括所述偏光板的液晶显示器和起偏振器保护膜用涂覆组合物
EP3418782A4 (fr) * 2016-12-26 2019-05-15 LG Chem, Ltd. Film de protection de polariseur, plaque de polarisation le comprenant, appareil d'affichage à cristaux liquides comprenant une plaque de polarisation, et composition de revêtement pour film de protection de polariseur
US10838114B2 (en) 2016-12-26 2020-11-17 Lg Chem, Ltd. Polarizer protecting film, polarizer plate comprising the same, liquid crystal display comprising the polarizer plate, and coating composition for polarizer protecting film

Also Published As

Publication number Publication date
EP1036129A4 (fr) 2000-12-27
AU1384099A (en) 1999-05-31
JP2001522745A (ja) 2001-11-20
EP1036129A1 (fr) 2000-09-20

Similar Documents

Publication Publication Date Title
WO1999024527A1 (fr) Composition fluorescente pour fabriquer des disques optiques du type cd-rom
US6835431B1 (en) Fluorescent composition for the manufacture of CD-ROM type optical memory disks
JPH0613238B2 (ja) 光学的情報記録媒体
JP2000057627A (ja) 光反射膜及びそれを用いた光記録媒体
CN1075655C (zh) 光记录介质
JP2000033775A (ja) 光情報記録媒体
JPH052771A (ja) 光記録媒体
CN1255227A (zh) 光记录媒体及使用光记录媒体的信息录放方法
JPH06199045A (ja) 光記録媒体
JP2003036562A (ja) 光学記録媒体
JP3673963B2 (ja) 光情報記録媒体
JPH0899467A (ja) 光記録媒体
JP3997296B2 (ja) 光記録媒体の製造方法、品質管理方法、膜厚測定方法
JP4456316B2 (ja) 光情報記録媒体
JPS6357290A (ja) 光記録媒体
WO2001029837A1 (fr) Support d'information optique multicouche fluorescent en lecture seule et son procede de fabrication
JPS6357287A (ja) 光記録媒体
JP3704230B2 (ja) 光記録媒体
US6984434B2 (en) Recordable digital video disc
JP2006236582A (ja) 光学記録媒体
JP2510171B2 (ja) 有機多層膜光記録媒体の製造方法
JP3375432B2 (ja) 光記録媒体
JP3398495B2 (ja) 光記録媒体
WO2000048177A1 (fr) Procede permettant d'augmenter le signal fluorescent de disques optiques a lecture fluorescente
JP2007035081A (ja) 光情報記録媒体

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AL AM AT AU AZ BA BB BG BR BY CA CH CN CU CZ DE DK EE ES FI GB GE GH GM HR HU ID IL IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MD MG MK MN MW MX NO NZ PL PT RO RU SD SE SG SI SK SL TJ TM TR TT UA UG US UZ VN YU ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ CF CG CI CM GA GN GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
NENP Non-entry into the national phase

Ref country code: KR

ENP Entry into the national phase

Ref country code: JP

Ref document number: 2000 520526

Kind code of ref document: A

Format of ref document f/p: F

WWE Wipo information: entry into national phase

Ref document number: 1998957623

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWP Wipo information: published in national office

Ref document number: 1998957623

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: CA

WWE Wipo information: entry into national phase

Ref document number: 09530114

Country of ref document: US

WWW Wipo information: withdrawn in national office

Ref document number: 1998957623

Country of ref document: EP