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7420908 Optical recording medium  
An optical recording medium including two or more recording layers which are capable of transmitting at a high transmittance recording light or reproducing light for performing...
7420907 Information recording medium  
An information recording medium wherein an optically detectable information recording medium is comprised of at least a substrate, a recording layer, and a resin layer. The information recording...
7414954 Optical information recording medium  
A phase-change optical information recording medium in which information can be recorded, reproduced and rewritten and which includes a first transparent substrate having a wobbling guide groove...
7414953 Memory having a layer with electrical conductivity anisotropy  
A data storage device comprises a media including a memory layer within which are formable domains associated with information, and a conductive layer disposed over the memory layer, the conductive...
7408869 Optical disk and optical disk apparatus  
In an optical disk of the invention composed of two substrates bonded to each other, the level of double refraction is set to 60 nm or less in a read-only disk, to 60 nm or less in a write-once...
7406027 Optical data storage system having combined fluorescent three-dimensional information carrier  
A general optical storage system (OSS) contains an optical drive and a fluorescent multilayer disc (FMLD), which can be realized as a multilayer structure with data storage in fluorescent spots...
7406026 Optical information recording medium, and substrate and manufacturing method for the optical information recording medium  
In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal...
7406025 Optical information recording medium, and substrate and manufacturing method for the optical information recording medium  
In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal...
7397755 Optical information recording medium  
An optical information recording medium characterized by comprising a temperature-sensitive layer formed on a substrate, for reversibly changing in reflectance and/or transmittance with a...
7385907 Rewritable optical record carrier  
A rewritable optical record carrier comprising a first substrate carrying a first recording stack of layers, which recording stack comprises, a first dielectric layer, a recording layer comprising...
7379412 Methods for writing and reading highly resolved domains for high density data storage  
Methods in accordance with the present invention can be applied, in an embodiment, to a media comprising a phase change material to alter a resolved portion of the phase change material to have a...
7378220 Optical information recording method and medium  
An optical information recording medium includes a substrate having disposed thereon a recording layer that is recordable by irradiating the recording layer with a laser having a wavelength of 450...
7378219 Optical information carrier comprising immobilized proteorhodopsin  
The present invention relates to materials comprising hydrophilic polymers and immobilized proteorhodopsin and the use of such materials as an optical information carrier. The material comprises...
7359309 Optical disk, thin plastic sheet, and method for affixing display sheet to disk substrate  
An optical disk is provided with a disk substrate having a recording layer formed on one surface of a substrate and a cover sheet applied over the recording layer; and a display sheet which is...
7351516 Optical information recording medium  
An optical information recording medium, especially a CD-RW medium, that can undergo direct overwriting at high speed is disclosed. The optical information recording medium includes a transparent...
7345980 Optically storing digital data in the form of spectrally coded particles  
A digital data storage medium comprises data in the form of particles which are spectrally coded. The particles generally have the same size and shape. The particles are spectrally coded by...
7344823 Transient optical state change materials useful in copy-protected compact discs  
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about...
7336596 Optical storage medium  
An optical disk consists of a first laminated layer structure and a second laminated layer structure. The first structure has a first transparent substrate having a first surface and a second...
7336592 Optical information recording medium  
An optical information recording medium which makes it possible to reduce the noise level, improve the C/N ratio and store record data for a long time period. An optical information recording...
7327666 Optical recording medium and method of manufacturing same  
An optical recording medium has a plurality of laminated information recording layers. The average reflectivity within a stipulated range in the unrecorded regions of at least one of the...
7324426 Optical information recording medium  
An optical information recording medium which is capable of performing high-density recording of record data, and storing the recorded data for a long time period such that the recorded data can be...
7321543 Optical information recording medium  
An optical information recording medium which makes it possible to reduce the noise level and improve the C/N ratio. An optical information recording medium has a recording layer formed on a...
7309518 Radial tilt reduced media  
A storage media can comprise: a plastic substrate, an optical layer, a reflective layer disposed between the optical layer and the substrate, and an adhesive layer disposed between the optical...
7272091 Birefringence characteristic measuring method, optical recording medium and optical information recording/reproducing apparatus  
Four types of optical systems, a polarization optical system including an objective lens having a high numerical aperture, a polarization optical system including an objective lens having a low...
7269118 Method and apparatus for retrieving information from a 3D storage medium  
A method and apparatus for retrieving information from a three dimensional storage medium uses a three dimensional storage medium having an active medium capable of exhibiting first and second...
7260053 Optical recording medium, process for manufacturing the same, sputtering target for manufacturing the same, and optical recording process using the same  
An optical recording medium which comprises a substrate and a recording layer disposed on the substrate, in which the recording layer comprises Ga and Sb, a content of the Sb is 80 atm % to 95 atm...
7251212 Optical information recording medium  
An optical information recording medium containing a first information substrate including a first substrate having a guide groove thereon, a first recording layer including a dye, overlying the...
7240352 Optical recording medium having a pattern  
An optical recording medium which comprises a print-receiving layer as the outermost layer on the side opposite to the light incidence side, wherein a pattern is formed on the print-receiving layer.
7238461 Optical information-recording medium, novel oxonol compound and method of recording information  
An optical information-recording medium which contains a dye having at least two chromophores bonded to each other without any conjugated bond intervening between those chromophores.
7236440 Optical recording medium  
A high-speed, write-once type optical recording medium, which utilizes laser light that is either blue or an even shorter wavelength, as well as an optical recording method and an optical recording...
7233565 Optical recording medium  
An increase in cost is minimized while realizing larger capacity. An optical disc 102 includes, from the bottom of the drawing: a substrate 104 ; a first information recording layer 108 formed...
7227832 Optical recording medium and method of recording information to optical recording medium  
It is an object of the present invention to provide an optical recording medium that is suitable for recording information therein at a high velocity. An optical recording medium according to the...
7226720 Limited play data storage media and method for limiting access to data thereon  
A limited play optical storage medium for data is described which comprises a first substrate, a reflective layer, a data layer disposed between said substrate and said reflective layer; a reactive...
7226719 Limited play data storage media and coating formulations thereon  
The present invention provides a formulation for a reactive dye layer for a limited-play optical storage medium, the reactive formulation including at least one carrier material or curable acrylate...
7226637 Manufacturing method for multilayer fluorescent information carriers  
An information layer for an optical information storage medium is formed in a centrifuge. A photopolymerizable composition is applied to a solid base having a relief pattern, and a flexible,...
7223521 Squarylium-metal chelate compounds and optical recording media  
Squarylium-metal chelate compounds as recording materials for optical recording media, and optical recording media using these compounds, which have excellent recording properties, light resistance...
7221642 Optical data storage medium and use of such medium  
An optical data storage medium ( 20 ) for recording by means of a focused radiation beam ( 29 ) is described. The radiation beam having a wavelength λ enters through an entrance face ( 28 ) of the...
7221640 Method of manufacturing an optical storage medium and optical storage medium  
A method of manufacturing an optical storage medium is provided, which comprises at least a transparent spacer layer ( 22 ) or transparent cover layer. This layer is provided by spincoating a...
7218603 Optical data storage medium and use of such medium  
A multi-stack optical data storage medium ( 20 ) for rewritable recording using a focused radiation beam ( 30 ), entering through an entrance face ( 25 ) is described. The medium ( 20 ) has a...
7209429 Data recording device comprising micro-tips and a recording medium  
The invention relates to a data recording device comprising microtips and a recording medium. The recording medium comprises a substrate with a preferably-carbon resistive layer disposed thereon,...
7193963 Method for inputting information into a data storage medium that is optically recordable and readable  
In a method of entering information into an optically writable and readable data storage medium having a polymer film which can be changed locally by heating in order to store information and to...
7193960 Method of manufacturing optical recording medium and optical recording medium  
The present invention provides a method of manufacturing an optical recording medium having two recording layers on a supporting substrate and an optical recording medium obtained according to the...
7190662 Information recording medium  
An information recording medium wherein an optically detectable information recording medium is comprised of at least a substrate, a recording layer, and a resin layer. The information recording...
7187644 Optical recording substrate, optical recording medium, and manufacturing method thereof  
A method of manufacturing an optical recording substrate, comprising the steps of: contacting the surface having pit or land/grooves of a stamper having the pit or land/grooves to an organic...
7177264 Optical recording medium, manufacturing method thereof, optical recording method, optical reproduction method, optical recording device, optical reproduction device and optical recording/reproduction device  
An optical recording medium, with a construction and a manufacturing method thereof corresponding to those of a read-only optical recording medium and which can be manufactured inexpensively, which...
7173884 Magnetooptic recording medium and its manufacturing method  
A first dielectric layer 3, a multilayer magnetic film 10 in which a first magnetic layer 4 having perpendicular magnetic anisotropy at room temperature, a second magnetic layer 5 having...
7167440 Optical information recording medium  
An optical information recording medium which makes it possible to reduce the noise level, improve the C/N ratio and store record data for a long time period. An optical information recording...
7167439 Multilevel optical recording medium with calibration signals  
It is an object of the present invention to provide a multilevel optical recording medium in which influence of variation in characteristics of a recording layer in a plane of the recording layer...
7164623 Magneto-optical recording medium  
The present invention provides a magneto-optical recording medium including a recording layer, an intermediate layer and a reproducing layer stacked in this order. Information recorded in the...
7154836 Optical recording/reproducing method and optical recording medium  
An optical recording/reproducing method and an optical recording medium capable of performing excellent optical recording with a simple structure in a recording layer made of environmentally...
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