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7632874 |
Hardcoat agent composition and optical information medium thereof
A hardcoat agent composition comprising a fluorine-containing polyether compound (A) having a perfluoropolyether unit, urethane bond and active energy ray reactive group and a curable compound (B)...
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7625621 |
Amino antipyrine based azo ligands and their metal complexes for use as optical recording media
The present invention provides novel azo dye material based on antipyrine azo structure and metal complexes containing such azo compounds which are suitable for optical recording media. The dyes...
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7623437 |
Information recording medium
An optically detectable information recording medium is at least comprised of a substrate and a recording layer, wherein a surface of the recording layer opposite to another surface of the...
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7615333 |
Write-once optical disk and optical recording method
A write-once optical disk comprises a substrate, a recording layer which is stacked on the substrate and comprised of a first reaction layer comprised of a material containing hydrogen and a second...
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7611762 |
Optical recording medium
An optical disc having a transition linear velocity of 8-11 m/s when irradiating continuous light with 11±1 mW and a wavelength of 660±10 nm using a pickup head with a numerical aperture (NA) of...
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7608384 |
Two-photon fluorescent ternary optical data storage
Ternary optical data storage method and apparatus for Write Once Read Many Times (WORM) optical data storage with two-photon fluorescent writing and readout. The data storage capacity is limited by...
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7600992 |
Reverse optical mastering for data storage disk stamper
A date storage master disk and method of making a data storage master disk. The data storage disk master is for use in a data storage disk replication process. The data storage disk molding...
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7601481 |
Multilayer phase-change information recording medium, and method for recording and reproducing using the same
The object of the present invention is to provide a multilayer phase-change information recording medium comprises a substrate, and N layers of information layer (N represents an integral number of...
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7601412 |
Information recording medium, information reproduction method and information recording method
A method for mass-producing a recording mark capable of being reproduced even below the diffraction limit in the information recording medium. A medium comprising: a substrate including a first...
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7598018 |
Photosensitive polymeric material for worm optical data storage with two-photon fluorescent readout
Image formation via photoinduced fluorescence changes in a polymeric medium with two-photon fluorescence readout of a multi-layer structure. Fluorophore-containing polymers, possessing one or more...
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7598359 |
Bis (indolestyryl) compound and high density recording media utilizing the same
A bis(indolestyryl) compound. The bis(indolestyryl) compound has formula (I):
wherein A and B comprise benzene, naphthalene, or heterocyclic ring containing O, S, or N, R1 and R1′ are H,...
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7598360 |
Bisstyryl compound and high density recording media utilizing the same
A bisstyryl compound. The bisstyryl compound has formula (I):
wherein Z 1 and Z 2 are benzene, naphthalene, or heterocyclic ring, R 1 is H, C 1-5 alkyl, hydroxyl, halogen atoms, or...
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7599280 |
Information recording medium
In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a...
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7592058 |
Optical recording medium
An optical recording medium with a high productivity is provided which can certainly record/reproduce data even when a blue or blue-violet laser beam is used as an irradiation light. An optical...
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7582405 |
Image recording media and image layers
Imaging layers, image recording media, and methods of preparation of each, are disclosed.
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7582346 |
Inorganic optical recording medium comprising a heat dissipation layer
The optical recording medium comprises an active layer of inorganic material, able to undergo deformations due to the effect of an optical radiation, presenting a front face designed to receive an...
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7577083 |
Information recording medium
In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a...
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7577082 |
Information recording medium
In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a...
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7572517 |
Reflective or semi-reflective metal alloy coatings
A silver-based alloy composition for use as a reflective, semi-reflective or highly reflective coatings or layer(s) for use in optical data storage media, low emissivity glass, transparent...
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7572496 |
Recording medium having high melting point recording layer, information recording method thereof, and information reproducing apparatus and method therefor
A simple-structured recording medium without a mask layer and information recording and reproducing methods, which resolve thermal stability related problems arising during reproduction, the...
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7566673 |
Glass substrate for an information recording medium and information recording medium employing it
A chemically strengthened glass substrate for use as the substrate of an information recording medium such as a magnetic disk, magneto-optical disk, DVD, or MD, wherein a strengthened formed by...
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7563521 |
Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof
An information recording medium comprises a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be...
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7554901 |
Double sided optical disc and method for producing the same
A double sided optical disc includes a first record carrier having a light transmitting base board, a first reflecting layer formed on the base board and a first protective layer formed on the...
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7551541 |
Optical information recording medium
To provide an optical information recording medium on which visual information can be recorded on a label face side by using a laser apparatus for recording and reading electronic information by...
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7541081 |
Phase change memory for archival data storage
A structure for storing digital data is provided, with a high reflectance layer comprising a noble metal formed over an underlying material layer, and a plurality of low reflectance portions...
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7534480 |
Multi-layer super resolution optical disc
Disclosed is a multi-layer super resolution optical disc. In the multi-layer super resolution optical disc, at least two recording layers, each of which comprises at least two mask layers and...
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7527914 |
Reading inhibit agents
Disclosed is an optical disk, card or media which comprises: a) a plurality of data structures that are readable by the interrogating beam of light; and b)a composition on or in the optical disk,...
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7524549 |
Method for evaluating optical information medium and optical information medium
An optical information medium includes a light-transmitting supporting substrate, an information recording layer on one surface of the supporting substrate, a protective layer on the information...
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7524548 |
Optical recording medium
The optical recording medium is an optical recording medium having at least one information layer including a recording film, characterized in that the recording film is formed by a phase change...
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7521106 |
Inks for use on optical recording media
An optical recording medium, comprises a substrate, an imaging composition disposed on said substrate, said compound comprising: a matrix, a color-forming agent, and a nucleating agent. The...
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7517573 |
***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Optical recording medium
An optical recording medium 1 includes a support substrate 2 , an information layer 3 formed on one of the surfaces of the support substrate 2 , a first resin layer 4 formed on the...
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7517575 |
Optical information recording media and silver alloy reflective films for the same
A silver alloy reflective film contains X1 as a component and has an enriched layer located in a region within 2 nm deep from the surface of the reflective film, in which the component X1 is...
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7517574 |
Optical recording medium and method for manufacturing the same
An inexpensive optical recording medium is provided that can ensure recording and reproduction of data even in case of using blue or blue-violet laser light as irradiation light and can be stored...
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7510753 |
Phase-change optical recording media
A Phase-change optical recording media includes a recording film that causes reversible phase-change between a crystalline phase and an amorphous phase on irradiation with light, and an interface...
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7512059 |
Optical information recording medium and process for producing optical information recording medium
To provide an optical information recording medium on which visual information can be recorded on a label face by using a laser apparatus for recording and reading electronic information by...
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7507457 |
Optical recording medium and method of manufacturing the same
An optical recording medium includes a support substrate, and a light transmission layer 12 that is disposed so as to come in contact with the support substrate. At least one of a refractive...
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7507458 |
Semi-reflective film and reflective film for optical information recording medium, optical information recording medium, and sputtering target
Each of a semi-reflective film or reflective film for an optical information recording medium, and a Ag based alloy sputtering target includes a Ag based alloy containing 0.01 to 10 atomic percent...
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7501172 |
Integrated recording and labeling with optical recording device
An integrated system for individually labeling a recording medium at the time that digital information is recorded thereon, by recording write data with a digital recorder on the read/write surface...
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7498071 |
Laminated material with imprinted information, article on which the same is attached, method for reading information code
It is an object of the present invention to provide a laminated member with an recorded information code, having a high reading accuracy, which do not detract from product design and which do not...
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7498070 |
Optical information recording medium
For improving the humidity resistance reliability and the jitter property of an optical disk, the adhesive layer used for bonding a bonding type optical information recording medium is defined such...
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7498069 |
Optical recording medium, optical recording method, and optical recording apparatus
An optical recording medium has a substrate, and a recording film whose status is changed by irradiating with a laser beam. The recording film includes (αTe) x βTe 3 as a major component (x is a...
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7494700 |
Optical information recording medium and method of manufacturing the same
An optical information recording medium includes an oxide/nitride dielectric film that shows a film forming rate higher than that of SiON film and hence is adapted to mass production. The recording...
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7491752 |
Photoactive materials
Photoreactive dendrimers comprising a core portion, branching units and terminal groups, wherein at least one terminal group and/or branching unit is a photoreactive group and wherein the photo...
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7491436 |
Optical information recording medium
An optical information recording medium comprising a substrate, recording layer and reflecting layer, characterized in that a layer containing a mixture of carbide and oxide is disposed over a...
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7488701 |
Optical information recording medium, manufacturing method thereof and image processing method
An object of the present invention is to provide an optical information recording medium by which the getting thereof in and out of a reproducing apparatus and the reproducing of recoding data can...
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7488526 |
Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method therefor
To provide a sputtering target used for the formation of a recording layer of a recordable optical recording medium, wherein the sputtering target contains Bi and Fe and the packing density of the...
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7485355 |
Optical information recording medium and method for manufacturing the same
An optical information recording medium includes the first to the n-th information layers (where n is an integer not less than 3) arranged in this order from a laser beam incident side. Each...
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7485357 |
Optical recording medium
An optical recording medium including: a substrate having translucency; a first protective layer thereon; a recording layer composed of a phase-change material; a second protective layer; and a...
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7484400 |
Method of testing optical information medium
A testing method capable of quantifying abrasion resistance on the translucent base surface of a high-recording-density optical information medium simply and in a form of reflecting an actual...
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7482049 |
Optical disc
An optical disc has a support base and at least one information-retrieval layer formed over the support base. The information-retrieval layer is transparent and thinner than the support base. The...
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