WO2002080158A1 - Optisches aufzeichnungsmedium und verfahren zu seiner herstellung - Google Patents
Optisches aufzeichnungsmedium und verfahren zu seiner herstellung Download PDFInfo
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- WO2002080158A1 WO2002080158A1 PCT/CH2002/000173 CH0200173W WO02080158A1 WO 2002080158 A1 WO2002080158 A1 WO 2002080158A1 CH 0200173 W CH0200173 W CH 0200173W WO 02080158 A1 WO02080158 A1 WO 02080158A1
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- alkyl
- aryl
- recording medium
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- complex
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- 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
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- 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
- G11B7/2467—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 azo-dyes
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- 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
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- 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
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- 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
- G11B2007/24612—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 two or more dyes in one layer
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- 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
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- 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
- G11B7/2492—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 neutral compounds
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- 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
- G11B7/2495—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 as anions
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- 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]
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- 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
- G11B7/2542—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 consisting essentially of organic resins
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- 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
- G11B7/2585—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 based on aluminium
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- 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
- G11B7/259—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 based on silver
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- 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
- G11B7/2595—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 based on gold
Definitions
- the invention is in the field of optical data storage and relates to an optical recording medium according to the preamble of the first independent patent claim and a method for producing the optical recording medium according to the preamble of the corresponding independent patent claim.
- Known optical data storage devices have a disk-shaped carrier made of a transparent plastic, a recording layer applied to the carrier and a reflecting layer applied to the recording layer.
- the carrier has a spiral-shaped recording groove on the side on which the recording layer is applied.
- the data storage is written along this groove with a laser as a write beam, the recording layer being changed locally and bubble-like pits being formed between the recording layer and the carrier.
- Another laser scans the track described as a reading beam, the reflection of the reading beam on the reflecting layer being recorded as a reading signal.
- Optical data storage devices of the type DVD-R differ from optical data storage devices of the type CD-R (compact disc recordable) in that the recording grooves are closer to one another and in that the disks usually have two carrier halves between which the Drawing layer and the reflective layer are arranged.
- Laser beams with a wavelength of 630 to 680nm are used to write and read DVD-R (CD-R: 780nm).
- Corresponding recording layers consist of a recording medium which, for absorption of the laser energy, contains, for example, subphthalocyanine-boron compounds of the following general formula:
- AI to AI 2 independently of one another -H, -halogen, -alkyl, -aryi, -alkyl-aryl, -oxy-alkyl, -oxy-aryl, -oxy-alkyl-aryl, -thio-alkyl, -thio-aryl or -thio-alkyl-aryl, wherein said alkyl groups have 1 to 20 carbon atoms and said aryl groups are phenyl or naphthyl groups or their halogen derivatives, and wherein Y is boron.
- X is, as described for example in the publication US-5776656, a halogen, -OH, -OC 2 H 5 or -O-tert-butyl.
- the same publication also proposes phenyl or phenoxy groups for X, which are preferably not substituted.
- the recording layer also contains a quencher, for example in the form of a metal complex (for example metal-thiol complex) and, if appropriate, a stabilizer, for example an amine.
- a quencher for example in the form of a metal complex (for example metal-thiol complex)
- a stabilizer for example an amine.
- the object of the invention is to create a recording medium based on a subphthalocyanine for optical data storage media which can be written and read by a laser with a wavelength between 630 and 680nm, for example for DVD-R, which recording medium is opposite
- Known such recording media should be characterized by a particularly high stability against light and climatic influences and by the fact that a recording layer from the recording medium according to the invention can be written at a very high speed (particularly low optimal writing energy).
- the recording medium according to the invention contains a subphthalocyanine with boron or aluminum as the central atom as the laser energy absorbing compound.
- This subphthalocyanine is present in the recording medium according to the invention in the form of ion complexes, partly as an ion complex consisting of two or three subphthalocyanine units (sPcY-) and a bis- or trisphenolate or a bis- or tristhiophenolate (-bPh- or> tPh-) consists, and partly as an ion complex, which consists of a subphthalocyanine unit (sPcY) and an anionic metal thiol or metal diazo complex (MK).
- the recording medium according to the invention thus contains the following ion complexes:
- sPcY, sPcY ', sPcY "and sPcY'” are identical or different subphthalocyanines. and have the following general structure:
- AI to A12 independently of one another -H, -halogen, -alkyl, -aryl, -alkyl-aryl, -oxy-alkyl, -oxy-aryl, -oxy-alkyl-aryl, -thio-alkyl, -thio-aryl or -thio-alkyl-aryl, wherein said alkyl groups have 1 to 20 carbon atoms and said aryl groups are phenyl or naphthyl groups or halogen-substituted derivatives thereof, and wherein Y is boron or aluminum;
- each benzene ring bears in addition to the -O " or -S " group up to two further substituents Rl to R6, where Rl to R6 independently of one another -halogen, -CN, -NO 2 , -alkyl, -aryl, -alkyl-aryl, -oxy-alkyl, -oxy-aryl, -oxy-alkyl-aryl, -thio-alkyl, -thio-aryl, -thio-alkyl-aryl, -SO 3 H, -SO2H, SO 3 N (alkyl) 2 , -NH 2 , -NH (alkyl), -NH (aryl), N (
- MK is a metal-thiol complex or a metal-diazo complex of the following general structure:
- R'l to R'8 carries, where R'l to R'8 independently of one another -halogen, -NO 2) NH 2 , NH (alkyl), -NH (aryl), N (alkyl) 2 , N (aryl) 2 , -CN, -oxi -Alkyl, -oxi-aryl, -thio-alkyl, -thio-aryl, wherein said alkyl groups have 1 to 8 carbon atoms and said aryl groups are -phenyl or -naphthyl or substituted derivatives thereof.
- the subphalocyanine units present in the recording medium according to the invention can all be substituted equally and have the same central atoms Y (boron or aluminum) or they can be substituted differently and can have different central atoms Y.
- the substituents AI to A4 in each of the subphthalocyanine units are the same as the substituents A5 to A8 and A9 to All
- subphthalocyanines have the following substituents:
- One of the bis- or trisphenolates or the bis- or tristhiophenolates may be present in the recording medium according to the invention or a mixture of various such phenolates.
- the substituents R1 / R2 are advantageously the same as the substituents R3 / R4 or R5 / R6.
- Preferred examples of bis- and tris-phenolates or thiophenolates are the anions of the following phenols:
- Preferred anionic metal thiol complexes and metal diazo complexes are as follows:
- the molar ratio between the ion complex (sPcY) 2 -bPh or (sPcY) 3 -tPh (ion complexes from subphthalocyanine and bis or tris-phenolate or thiophenolate) and the ion complex sPcY-MK (ion complex from subphthalocyanine and anionic metal thiolene Complex or metal-diazo complex) is between 1:99 to 99: 1.
- the recording medium can contain, as further, laser energy-absorbing compounds, for example cyanine, styril, formazan diazo and / or metallized diazo dyes. It may also contain metallocenes (eg ferrocene), acetylacetonate-metal complexes, N, N'-tetraalkyl- (or -aryl) -substituted paradiaminobenzenes and / or quinoline, with a weight fraction of up to 10 parts per 100 parts of the laser energy - absorbent compound or compounds.
- laser energy-absorbing compounds for example cyanine, styril, formazan diazo and / or metallized diazo dyes. It may also contain metallocenes (eg ferrocene), acetylacetonate-metal complexes, N, N'-tetraalkyl- (or -aryl) -substituted paradiaminobenzenes and / or quinoline
- the subphthalocyanines with boron or aluminum as the central atom are prepared by reacting an appropriately substituted 1,2-dicyano-benzene (phthalonitrile) with boron or aluminum halide (advantageously boron or aluminum chloride).
- 1,8-Diazabicyklo [5.4.0] -7-undecene (DBU) is used as the catalyst (advantageously in a molar ratio to the phthalonitriles of 0.1: 2 to about 1: 2). This creates a subphthalocyanine halide.
- the subphthalocyanine halide is then separated separately on the one hand with an excess of bis- or tris-phenolate or thiophenolate and on the other hand with an excess of anionic metal-thiols complex or metal-diazo complex (advantageously in an approximately five-fold molar excess) suitable organic solvent or solvent mixture and stirred at elevated temperature for a long time (for example at 60-100 ° C for 5-50 hours).
- the water-soluble salts are then washed out with water and the organic ion complexes are isolated, washed, purified by recrystallization or in another suitable manner and dried.
- the separately produced subphthalocyanine ion complexes of the recording medium are dissolved in the desired ratio, optionally together with other compounds in an organic solvent.
- the solution of the recording medium is applied, for example, to the polycarbonate carrier by “spin coating” and then dried.
- a reflecting layer made of silver, gold or aluminum or an alloy of the abovementioned is, for example, “sputtered” on the recording layer produced in this way Metals applied.
- This is optionally covered with a protective lacquer layer and the pane thus produced is connected to a second carrier with a second protective lacquer layer by means of an adhesive layer.
- Example 5 Preparation of an ion complex from subphthalocyanine and metal-diazo complex
- Example 6 Preparation of an ion complex from subphthalocyanine and metal-dithiolene complex Bis-1,2, 4 (4-methoxybenzene) was added to a 5% solution of O.Olmol IS ⁇ -trihexyl-oxy-S ⁇ .II-trichloro-sPc-boron (III) bromide in dimethylformamide H2O (95: 5) - 1,2-dithiolene) -Ni (II) tetra-butylammonium bromide was added. The resulting solution was stirred at 70 ° C for 15 hours, cooled, and then poured into cold water. Then the procedure was as described above for Example 3.
- the subphthalocyanine-containing ion complexes obtained in Examples 3-6 were used for the production of DVD-R data memories.
- the separately prepared, cleaned and dried subphthalocyanine-containing ion complexes and optionally further compounds were mixed in the desired proportions in an organic solvent or solvent mixture (e.g. 2,2,3,3-tetrafluoropropanol, 2-efhoxyethanol, diazetone alcohol / butanol (10: 1 ), Diazetone alcohol / isopropanol (10: 1) or ethyl cellosolve) dissolved with stirring.
- concentration of the solutions was varied in the range from 0.5 to 5% (by weight).
- the necessary substrate discs made of polycarbonate were manufactured using the injection molding process (0 120mm, thickness 0.6 mm). A groove spiral with a groove pitch of 0.74 ⁇ m was embossed on the surface of the substrate. Depending on the recording medium used, groove depths in the range of 100-200 nm and groove widths in the range of 180-400 nm were selected. The coating layers were applied by "spin coating". Depending on the optical parameters of the laser energy-absorbing compounds in the recording medium, the thickness of the recording layers in grooves was varied in the range from 90-140 nm and between the grooves from 10-30 nm.
- the coated polycarbonate supports were then dried at 70 to 80 ° C.
- a reflective gold layer with a layer thickness of 70-120 nm was applied to the dried recording layers by "sputtering".
- a protective lacquer layer (thickness: approx. 4 ⁇ m) was applied and cured under UV radiation.
- Polycarbonate panes without dye and metal layers were also coated with a A disc with a recording, metal and protective lacquer layer and a disc with only a protective lacquer layer were glued exactly on the protective lacquer layer using a suitable adhesive.
- Disks with a recording layer made of the trimethyl cyanine dyes from Fuji Foto Film Co. Ltd with the following structures were used in the same manner as comparison data storage.
- Q for example IRG 22 from Nippon Kayako Co. Ltd. produced.
- the disks produced in the manner mentioned were described and measured using test devices from the company e-focus with a laser beam (wavelength 635 nm; linear writing speed: 3.49 m / s). Then they were tested for light and climate stability (according to ISO-105-B02 conditions with air-cooled xenon lamps and according to JEC68-2-2Ba and JEC68-2-30Dd).
- All data storage devices with a recording layer made of a recording medium according to the invention also meet the standard standards according to the light and climate tests.
- optical data memories with a recording layer made of a recording medium according to the invention can also be successfully written and read with a laser beam with a wavelength of 650 nm, whereby the standard parameters are also achieved here.
- a computer simulation indicates that the optical data storage devices can also be written to with a recording layer made of a recording medium according to the invention with writing speeds greater than 4x.
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- Optical Record Carriers And Manufacture Thereof (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2003-7012743A KR20030087659A (ko) | 2001-03-30 | 2002-03-25 | 광학 기록 매질 및 그 제조 방법 |
DE10291397T DE10291397D2 (de) | 2001-03-30 | 2002-03-25 | Optisches Aufzeichnungsmedium und Verfahren zu seiner Herstellung |
JP2002578294A JP2004528198A (ja) | 2001-03-30 | 2002-03-25 | 光学記録媒体およびその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CH6002001 | 2001-03-30 | ||
CH600/01 | 2001-03-30 |
Publications (1)
Publication Number | Publication Date |
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WO2002080158A1 true WO2002080158A1 (de) | 2002-10-10 |
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ID=4522700
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CH2002/000173 WO2002080158A1 (de) | 2001-03-30 | 2002-03-25 | Optisches aufzeichnungsmedium und verfahren zu seiner herstellung |
Country Status (6)
Country | Link |
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JP (1) | JP2004528198A (de) |
KR (1) | KR20030087659A (de) |
CN (1) | CN1500266A (de) |
DE (1) | DE10291397D2 (de) |
TW (1) | TW569201B (de) |
WO (1) | WO2002080158A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004097821A1 (de) * | 2003-05-02 | 2004-11-11 | Interaxia Ag | Aufzeichnungsmedium für optischen datenspeicher, insbesondere für dvd±r |
JP2005289854A (ja) * | 2004-03-31 | 2005-10-20 | Nippon Steel Chem Co Ltd | サブフタロシアニン化合物の製造方法 |
EP1964892A3 (de) * | 2007-03-02 | 2008-11-05 | Orient Chemical Industries, Ltd. | Optische Schicht mit einem µ-oxo-gebrückten Boron-Subphthalocyanin-Dimer |
CN103288838A (zh) * | 2013-05-09 | 2013-09-11 | 西北大学 | 一种双核亚酞菁类物质的制备方法及其用途 |
US20150321965A1 (en) * | 2012-01-26 | 2015-11-12 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Refractory metal boride ceramics and methods of making thereof |
EP3157927A1 (de) * | 2014-06-23 | 2017-04-26 | Olgun, Ugursoy | Neue aromatische makrocyclische metallkomplexfarbstoffe und synthese davon mit aktiven nanometallpulvern |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8981088B1 (en) * | 2013-08-28 | 2015-03-17 | Xerox Corporation | Boron subphthalocyanine compounds and method of making |
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JPH029882A (ja) * | 1988-06-28 | 1990-01-12 | Toyo Ink Mfg Co Ltd | フタロシアニン類の製造法 |
GB2290489A (en) * | 1994-06-22 | 1996-01-03 | Ici Plc | Phthalocyanine dyes for optical recording |
JPH09131968A (ja) * | 1995-11-08 | 1997-05-20 | Tdk Corp | 光記録媒体 |
US5776656A (en) * | 1995-07-28 | 1998-07-07 | Tdk Corporation | Optical recording medium |
-
2002
- 2002-02-25 TW TW091103315A patent/TW569201B/zh not_active IP Right Cessation
- 2002-03-25 KR KR10-2003-7012743A patent/KR20030087659A/ko not_active Application Discontinuation
- 2002-03-25 CN CNA028075730A patent/CN1500266A/zh active Pending
- 2002-03-25 DE DE10291397T patent/DE10291397D2/de not_active Expired - Fee Related
- 2002-03-25 JP JP2002578294A patent/JP2004528198A/ja active Pending
- 2002-03-25 WO PCT/CH2002/000173 patent/WO2002080158A1/de active Application Filing
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JPH029882A (ja) * | 1988-06-28 | 1990-01-12 | Toyo Ink Mfg Co Ltd | フタロシアニン類の製造法 |
GB2290489A (en) * | 1994-06-22 | 1996-01-03 | Ici Plc | Phthalocyanine dyes for optical recording |
US5776656A (en) * | 1995-07-28 | 1998-07-07 | Tdk Corporation | Optical recording medium |
JPH09131968A (ja) * | 1995-11-08 | 1997-05-20 | Tdk Corp | 光記録媒体 |
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DATABASE WPI Section Ch Week 199008, Derwent World Patents Index; Class E13, AN 1990-055540, XP002199043 * |
DATABASE WPI Section Ch Week 199730, Derwent World Patents Index; Class E23, AN 1997-327955, XP002199042 * |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004097821A1 (de) * | 2003-05-02 | 2004-11-11 | Interaxia Ag | Aufzeichnungsmedium für optischen datenspeicher, insbesondere für dvd±r |
JP2005289854A (ja) * | 2004-03-31 | 2005-10-20 | Nippon Steel Chem Co Ltd | サブフタロシアニン化合物の製造方法 |
JP4694138B2 (ja) * | 2004-03-31 | 2011-06-08 | 新日鐵化学株式会社 | サブフタロシアニン化合物の製造方法 |
EP1964892A3 (de) * | 2007-03-02 | 2008-11-05 | Orient Chemical Industries, Ltd. | Optische Schicht mit einem µ-oxo-gebrückten Boron-Subphthalocyanin-Dimer |
US20150321965A1 (en) * | 2012-01-26 | 2015-11-12 | The Government Of The United States Of America, As Represented By The Secretary Of The Navy | Refractory metal boride ceramics and methods of making thereof |
US9469572B2 (en) * | 2012-01-26 | 2016-10-18 | The United States Of America, As Represented By The Secretary Of The Navy | Refractory metal boride ceramics and methods of making thereof |
CN103288838A (zh) * | 2013-05-09 | 2013-09-11 | 西北大学 | 一种双核亚酞菁类物质的制备方法及其用途 |
EP3157927A1 (de) * | 2014-06-23 | 2017-04-26 | Olgun, Ugursoy | Neue aromatische makrocyclische metallkomplexfarbstoffe und synthese davon mit aktiven nanometallpulvern |
Also Published As
Publication number | Publication date |
---|---|
DE10291397D2 (de) | 2005-02-10 |
KR20030087659A (ko) | 2003-11-14 |
TW569201B (en) | 2004-01-01 |
JP2004528198A (ja) | 2004-09-16 |
CN1500266A (zh) | 2004-05-26 |
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