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| Number | Title | Issue Date |
| 8125882 | High density data storage medium, method and device A composition of matter for the recording medium of nanometer scale thermo-mechanical information storage devices and a nanometer scale thermo-mechanical information storage device. The composition includes: one or more polyaryletherketone polymers, each of the one ... | 02/28/2012 |
| 8040786 | Information storage medium, reproducing method, and recording method According to one embodiment, an information storage medium includes an organic dye material which records information with a light beam having a wavelength equal to or smaller than 620 nm. ... | 10/18/2011 |
| 8014262 | Optical information recording medium An optical information recording medium includes a substrate having a through-hole provided at the central portion thereof and a guiding groove provided on a surface at the light-incident side; a reflective layer provided on the surface of the substrate having the g... | 09/06/2011 |
| 7924697 | Optical information recording medium, image-recording method and method of utilizing a dye An optical information recording medium comprises: a recording layer capable of recording and reproducing information by irradiation with a laser light; and an image recording layer capable of recording a visible image and containing a dye as a major component. ... | 04/12/2011 |
| 7911933 | Information recording layer of optical disc and optical disc An optical disk includes a substrate covered with an information recording layer. The information recording layer includes a recording material and a dispersion material dispersed in the recording material. The recording material absorbs recording light for recordin... | 03/22/2011 |
| 7911932 | Information recording layer of optical disc, optical disc and disc device An optical disk includes a substrate covered with an information recording layer. The information recording layer includes a recording material and an exothermic material dispersed in the recording material. The exothermic material absorbs recording light for record... | 03/22/2011 |
| 7710855 | Optical recording medium, recording and reproducing method thereof, and optical recording apparatus The present invention relates to an optical recording medium containing a first substrate, a first information layer, an intermediate layer, a second information layer and a second substrate in this order, wherein the first information layer contains a first recordi... | 05/04/2010 |
| 7672217 | Optical recording medium and optical recording/reproducing method The present invention provides an optical recording medium that includes a recording layer composed mainly of an organic compound and can utilize blue-violet semiconductor laser light (390 to 420 nm in wavelength) as recording/reproducing laser light. The present in... | 03/02/2010 |
| 7668073 | Hybrid disk and method of writing data to and/or reading data from the hybrid disk A hybrid disk useable with a recording and or reproducible apparatus having an optical pickup. The hybrid disk includes a first recording layer having a first format on which data is recordable or readable by a first format beam and a second recording layer having a... | 02/23/2010 |
| 7457229 | Optical recording medium The present invention relates to an optical recording medium having a plurality of recording layers having different uses. The optical recording medium includes a first light transmitting layer (32); a layer (31) composed of an organic dye for recordin... | 11/25/2008 |
| 7439007 | Phase change information recording medium having multiple layers and recording and playback method for the medium A multilayer phase change information recording medium including plural information layers containing at least a first information layer and a last information layer, each of which includes a recording layer in which information is recorded utilizing a phase change ... | 10/21/2008 |
| 7436755 | Optical information recording medium, recording and reproduction methods using the same, optical information recording device, and optical information reproduction device An optical information recording medium includes a substrate formed in a concave-convex state by providing pits or grooves corresponding to recorded information, used for optically reproducing the information by irradiation of a light beam, and may also include a re... | 10/14/2008 |
| 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 medium has surface roughness Rσ on the surface of the recording layer,... | 09/02/2008 |
| 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 recording/reproducing of a first recording layer (3) without having to make the th... | 09/02/2008 |
| 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 layer having anisotropically increased electrical conductivity in a ... | 08/19/2008 |
| 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 which is spirally formed thereon at a pitch; a first dielectric layer l... | 08/19/2008 |
| 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 type disk, and to 40 nm or less in a rewritable type disk, respectively.... | 08/05/2008 |
| 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 like pits or spiral grooves, divided by layers, transparent to reading a... | 07/29/2008 |
| 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 component occupying in a reproduced signal in a non recording state is ... | 07/29/2008 |
| 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 component occupying in a reproduced signal in a non recording state is ... | 07/29/2008 |
| 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 temperature change. A temperature-sensitive layer having the property of chang... | 07/08/2008 |
| 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 a phase-change recording material, a second dielectric layer, and a m... | 06/10/2008 |
| 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 nm or less. The recording layer contains a specific phthalocyanine de... | 05/27/2008 |
| 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 one or more hydrophilic polymers that are capable to form a homogeneous... | 05/27/2008 |
| 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 resistance different from a resistance of the bulk material. A tip hav... | 05/27/2008 |
| 7368224 | Photopolymerizable composition The invention provides a photopolymerizable composition having a high photosensitivity, which comprises a metal complex of a squarylium compound, a radical generator, and a compound having at least one ethylenically unsaturated double bond. The photopolymeriz... | 05/06/2008 |
| 7369469 | Laser power control apparatus and method, an optical disk apparatus and a recording method A laser power control apparatus is for use in an optical disk apparatus for recording information on an optical disk having at least a first layer and a second layer. The laser power control apparatus includes a power control section for controlling a laser element ... | 05/06/2008 |
| 7367119 | Method for forming a reinforced tip for a probe storage device Systems and methods in accordance with the present invention can include a tip contactable with a media. In an embodiment, the tip comprises a substantially hollow structure formed of a metal. The tip can be formed by depositing a first metal layer over silicon ther... | 05/06/2008 |
| 7362524 | Magnetic pattern transfer method A magnetic pattern transfer method is disclosed. A magnetic pattern transfer master having a plurality of magnetic portions preformed with predetermined magnetic patterns is brought in proximity to a magnetic recording medium having a magnetic film to record the mag... | 04/22/2008 |
| 7359301 | Method of and apparatus for recording data on an optical recording medium A method of recording data on an optical recording medium includes forming a mark or a space using a recording waveform which includes a DC record pattern, and an erase pattern that includes a multi pulse. According to the method and an apparatus using the method, t... | 04/15/2008 |
| 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 affixed to a surface of the disk substrate opposite to a surface covered ... | 04/15/2008 |
| 7352680 | Optical recording medium having relation between reflection layer and pit length An optical information recording medium including a substrate, a light absorbing layer which is located overlying the substrate and in which marks are formed to store information and a light reflection layer located overlying the light absorbing layer including a cr... | 04/01/2008 |
| 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 substrate, at least a recording layer and a reflective layer on or abo... | 04/01/2008 |
| 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 830 nm. ... | 03/18/2008 |
| 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 tailoring metal species to have specific absorption signature. The size, sha... | 03/18/2008 |
| 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 medium has a recording layer formed on a substrate, for having a laser bea... | 02/26/2008 |
| 7336524 | Atomic probes and media for high density data storage A device in accordance with embodiments of the present invention comprises a contact probe for high density data storage reading, writing, erasing, or rewriting. In one embodiment, the contact probe can include a silicon core having a conductive coating. Contact pro... | 02/26/2008 |
| 7335610 | Ultraviolet blocking layer Semiconductor structures and methods of fabricating semiconductor structures are disclosed. The method comprises the steps of: providing an initial semiconductor structure; forming a non-silicon layer overlying the initial semiconductor structure, the non-silicon la... | 02/26/2008 |
| 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 surface on both sides thereof, provided on the first surface being a light... | 02/26/2008 |
| 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 information recording layers has a value between the reflectivity in the crysta... | 02/05/2008 |
