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| Application No. | Application Title | Issue Date |
| 20120106314 | 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 or m... | 05/03/2012 |
| 20100202280 | ALUMINUM-ALLOY REFLECTION FILM FOR OPTICAL INFORMATION-RECORDING, OPTICAL INFORMATION-RECORDING MEDIUM, AND ALUMINUM-ALLOY SPUTTERING TARGET FOR FORMATION OF THE ALUMINUM-ALLOY REFLECTION FILM FOR OPTICAL INFORMATION-RECORDING There are provided an aluminum-alloy reflection film for optical information-recording, having low thermal conductivity, low melting temperature, and high corrosion resistance, capable of coping with laser marking, an optical information-recording medium comprising the ... | 08/12/2010 |
| 20090323506 | Data storage medium, data storage device containing same, and method of manufacturing data storage device containing same A data storage medium includes a piezoelectric film (101) having a surface (111) including a halogen. In one embodiment, the halogen exists in an atomic concentration of at least approximately 10 percent. The result is a hydrophobic surface conducive to lo... | 12/31/2009 |
| 20090252914 | OPTICAL RECORDING MEDIUM HAVING WRITE ONCE METAL REFLECTIVE FILM A pirated optical recording medium may be determined which is produced by physically transferring a shape of pits and lands formed on a substrate of an optical recording medium. The optical recording medium is provided with excellent weatherability and long-term storage... | 10/08/2009 |
| 20080304402 | Optical Disc Providing a Visual Indication of Its State of Degradation An optical disc comprises indicator means for indicating to a user the state of degradation of the optical disc. For example, the indicator means can be an indicator layer that is configured to change colour when incorporated into an optical disc, thereby providing an i... | 12/11/2008 |
| 20080291816 | Optical Recording Medium The object of the present invention is to provide an optical recording medium which includes a substrate, a first information layer and a second information layer, the first information layer and the second information layer are disposed on the substrate through an inte... | 11/27/2008 |
| 20080253274 | Optical Information Recording Medium and Recording Method Thereof [PROBLEMS] To provide an optical information recording medium including a pigment appropriate for high-density and high-speed optical recording by the blue laser light of 350 to 500 nm and especially around 400 nm (for example, 405 nm), enabling recording at low power, ... | 10/16/2008 |
| 20080239932 | INFORMATION RECORDING AND REPRODUCING APPARATUS A nonvolatile information recording and reproducing device exhibits low power consumption and high thermal stability. The information recording and reproducing apparatus according to an aspect of the present invention includes a recording layer and a unit for recording ... | 10/02/2008 |
| 20080186840 | OPTICAL INFORMATION RECORDING MEDIUM An optical information recording medium, which is made of a resin provided with photoreactivity containing organometal compound, has a recording layer on which, after a photoreaction are brought about when predetermined initialization light is irradiated to the medium a... | 08/07/2008 |
| 20080056088 | Multiple Recording Structures for Optical Recording A recordable medium includes a first recordable structure, a second recordable structure, and a spacer layer positioned between the first and second recordable structures. The first recordable structure has a transmissivity with respect to a read beam that increases upo... | 03/06/2008 |
| 20080056089 | Generating Optical Contrast Using Thin Layers A recordable medium includes a recordable structure having a transmissivity with respect to a read beam that increases upon application of an energy. In some examples, the transmissivity of the recordable structure before and after application of the energy can be great... | 03/06/2008 |
| 20080037407 | Method for Manufacturing Perpendicular Magnetic Recording Medium, Perpendicular Magnetic Recording Medium, and Magnetic Recording/Reproducing Apparatus One object of the present invention is to provide a perpendicular magnetic recording medium having a high coercive force by annealing, and in order to achieve the object, the present invention provides a method for manufacturing a perpendicular magnetic recording medium... | 02/14/2008 |
| 20080007852 | Reflectance Control Optical Element and Ultrathin Film Light Absorption Enhancing Element The present invention provides a simple-structured reflectance control optical element whose reflectance can be significantly changed and precisely controlled. A transparent film is provided on a substrate having a high reflectance, and further on the surface, an ultrat... | 01/10/2008 |
| 20070258351 | Optical Disk It is an object of the present invention to provide a process for manufacturing a high-density optical disk having excellent optical properties by suppressing the production of a cloud caused by a release failure and preventing the deterioration of hue and light transmi... | 11/08/2007 |
| 20070242592 | Three-dimensional optical memory The present invention is directed to a three-dimensional memory apparatus for storing information in a volume comprising of an active medium. The active medium is capable of changing from a first to a second isomeric form as a response to radiation of a light beam havin... | 10/18/2007 |
| 20070243354 | Image-recording medium with thermally insulating layer An image-recording medium includes a substrate, one or more writable layers adapted to be written by laser radiation characterized by a laser wavelength to form an image therein, and one or more thermally insulating layers comprising a material substantially transparent... | 10/18/2007 |
| 20070206488 | Data storage nanostructures The present invention relates to a device for data storage. In particular the invention relates to a single electron memory device utilizing multiple tunnel junctions, and arrays or matrixes of such devices. The data storage device according to the invention comprises a... | 09/06/2007 |
| 20070122747 | Optical information recording method and optical information recording medium The present invention provides an optical information recording medium including a substrate with an on-groove and an in-groove, having successively disposed thereon a dye recording layer and a transparent sheet, wherein a width of the on-groove ranges from 50 to 140 nm... | 05/31/2007 |
| 20070122735 | Optical storage device having limited-use content and method for making same The invention relates generally to optical storage devices, such as DVDs and CDs, on which compositions containing dyes are disposed so as to facilitate limited or selective use of at least a portion of the content of the optical storage devices. The invention also rela... | 05/31/2007 |
| 20070105049 | Organic dye for recording layer and high density optical recording medium using the same A recording layer including a novel dye for a high density optical recording medium, employing short wavelength laser source with a wavelength no longer than 530 nm 530 nm for recording high density information and reproduction/playback of the high density information ... | 05/10/2007 |
| 20070098949 | STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING METHOD According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum... | 05/03/2007 |
| 20070098950 | INFORMATION STORAGE MEDIUM, REPRODUCING METHOD, AND RECORDING MEDIUM 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. ... | 05/03/2007 |
| 20070097849 | OPTICAL RECORDING MEDIUM An optical recording medium is provided. The optical recording medium includes at least a reflective film and a cover layer on a substrate; main data by a combination of pit and land are recorded on the substrate; a write-once recording is made to be possible on the ref... | 05/03/2007 |
| 20070091758 | Generating optical contrast using thin layers A recordable medium includes a recordable structure having a transmissivity with respect to a read beam that increases upon application of an energy. In some examples, the transmissivity of the recordable structure before and after application of the energy can be great... | 04/26/2007 |
| 20070091757 | Multiple recording structures for optical recording A recordable medium includes a first recordable structure, a second recordable structure, and a spacer layer positioned between the first and second recordable structures. The first recordable structure has a transmissivity with respect to a read beam that increases upo... | 04/26/2007 |
| 20070076579 | Optical storage medium An optical storage medium includes: a substrate having a first surface and a second surface on both sides, the first surface allowing light to pass therethrough in recording or reproduction; and two or more of composite layers formed on the second surface. Each layer is... | 04/05/2007 |
| 20070070875 | Recording method for dye-based recordable optical recording medium, recording medium, and recording apparatus using the same A recording method for a dye-based recordable optical recording medium including recording shortest marks on a recording layer containing a dye formed on a substrate having a guide groove using one pulse beam, and recording second shortest marks or still longer marks at... | 03/29/2007 |
| 20070048488 | RECORDING LAYER AND SPUTTERING TARGET FOR OPTICAL INFORMATION RECORDING MEDIA, AS WELL AS OPTICAL INFORMATION RECORDING MEDIA Provided is a recording layer for optical information recording media that is not only excellent in initial reflectivity, creation of recording marks, and the like but also extremely excellent in durability under a high temperature and high humidity environment and that... | 03/01/2007 |
| 20070041309 | Rewritable optical data storage medium and use of such a medium A rewritable optical data storage medium (20) for high-speed recording by means of a focused radiation beam is described. The medium (20) comprises a substrate (7) carrying a stack (2) of layers, which stack (2) comprises, a substantia... | 02/22/2007 |
| 20070030776 | Super-resolution information recording medium, recording/reproducing apparatus, and recording/reproducing method A super-resolution information recording medium, a recording/reproducing apparatus, and a recording/reproducing method uses an information recording medium provides a super-resolution effect by fluid bubbles. The fluid bubbles are formed in at least a portion of the med... | 02/08/2007 |
| 20070020562 | 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. ... | 01/25/2007 |
| 20060291367 | ROM type optical recording medium A ROM type optical recording medium 1 includes a substrate 2, a light transmitting layer 4, and a reflecting layer 3 formed between the substrate 2 and the light transmitting layer 4 and containing a metal as a principal compone... | 12/28/2006 |
| 20060291370 | Optical recording medium, and information recording/playback apparatus and method using the medium In a single-sided, recordable/rewritable phase change optical recording medium having one or more layers, an interface layer adjacent to a phase change optical recording film contains at least Zr (zirconium), O (oxygen), and N (nitrogen), and further contains one or bot... | 12/28/2006 |
| 20060291369 | Recorded master for manufacturing information storage medium and method of manufacturing the master A recorded master for manufacturing an information storage medium includes a master substrate; a heat absorption layer coated on the master substrate and absorbing heat at a part on which a beam is irradiated; and a separation layer coated on the heat absorption layer, ... | 12/28/2006 |
| 20060280111 | Optical storage medium and optical recording method Data is recorded in an optical storage medium with a beam having a wavelength in a 650-nm band. The medium has a substrate, a first laminated layer structure formed on the substrate and having at least a first reflective film and a first recording film, and a second lam... | 12/14/2006 |
| 20060280066 | Information storage medium, medium processing apparatus, and medium processing method According to one embodiment, an information storage medium includes a light incident surface from which a recording/playback light beam enters, a reflecting layer which reflects the light beam entering from the light incident surface, a recording layer which is arranged... | 12/14/2006 |
| 20060233093 | Storage medium, reproducing method, and recording method According to one embodiment, a write-once type information storage medium comprises an organic dye based recording material having sensitivity at a wavelength of 405 nm and at a recording wavelength in the range of 600 nm to 700 nm, wherein, when absorbance of a maximum... | 10/19/2006 |
| 20060233094 | Storage medium, reproducing method, and recording method According to one embodiment, a write-once type information storage medium comprises a recording layer which is formed by mixing a plurality of organic dye based recording materials whose molecular weights are different from each other, and wherein a mixture ratio of org... | 10/19/2006 |
| 20060233095 | Dual-layer phase-change information recording medium and recording method thereof The present invention provides a dual-layer phase-change information recording medium in which the erase ratio in each layer is superior, the dynamic range is improved, and a multi-level recording is possible. For the dual-layer phase-change information recording medium... | 10/19/2006 |
| 20060209665 | Multi-speed recordable information carrier The invention relates to an information carrier comprising at least a first area (12) comprising a first recordable material having thermal properties suitable for writing at a first recording speed and a second area (13) comprising a second recordable mat... | 09/21/2006 |
