Class / Patent application number | Description | Number of patent applications / Date published |
430270110 | Optical recording nonstructural layered product having a radiation sensitive composition layer claimed or solely disclosed as optically reorderable and optically machine readable | 22 |
20080199807 | OPTICAL INFORMATION RECORDING MEDIUM, METHOD OF RECORDING INFORMATION AND METHOD OF USING COMPOUND - The optical information recording medium comprises a recording layer comprising a dye on a support. The recording layer comprises a compound comprising a substituent having a property of producing a gas by thermal decomposition. The method of recording information on the recording layer comprised in the above optical information recording medium by irradiation of a laser beam onto the optical information recording medium. The method of using a compound comprising a substituent having a property of producing a gas by thermal decomposition as an additive in a solution comprising a dye. | 08-21-2008 |
20080206672 | Optical Information Recording Medium - A blue laser-ready information recording medium improved in light stability and durability without impairment of record/playback characteristics is provided. | 08-28-2008 |
20090081584 | Imaging Layers and Structures Including Imaging Layers - Imaging layers, imaging media, and methods of preparation of each, are disclosed. | 03-26-2009 |
20090087777 | Optical Disk Storage Medium - The surface of a transparent layer provided on the uppermost layer of the label side of an optical disk is subjected to pearskin finish. As a result, a light from a reflection layer is prevented from directly entering a user who has viewed an image on the label side, and an antiglare phenomenon is prevented from occurring. This configuration enables good viewing. | 04-02-2009 |
20090130593 | STABILIZER FOR ENHANCING PERFORMANCE OF OPTICAL RECORDING LAYER AND HIGH DENSITY OPTICAL RECORDING MEDIUM USING THE SAME - A recording dye layer for recording high density information and reproduction/playback of the high density information recordings is provided. The recording dye layer includes a chemical composition including a diimonium salt and or ammonium compound and a metal-azo complex for a high density optical recording medium that may effectively promote the stability and the durability of the optical recording dye layer. | 05-21-2009 |
20090170027 | OPTICAL RECORDING MEDIUM - The present invention provides an optical recording medium ( | 07-02-2009 |
20090291391 | OPTICAL INFORMATION-RECORDING MEDIUM, METHOD FOR MANUFACTURING OPTICAL INFORMATION-RECORDING MEDIUM, METHOD FOR VISIBLE INFORMATION RECORDING, USE OF MIXTURE, AND MIXTURE - This invention provides an optical information recording medium that can record information by laser beam irradiation. The optical information recording medium comprises a visible information recording layer on which visible information is to be recorded. The visible information recording layer contains a coloring matter, and at least one metal atom selected from the group consisting of Na, Mg, K, and Ca. The coloring matter is at least one material selected from the group consisting of oxonol coloring matter, cyanine coloring matter, azo coloring matter, phthalocyanine coloring matter, and pyrromethene coloring matter. | 11-26-2009 |
20100003617 | OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium includes a recording layer that absorbs recording light in accordance with its wavelength, the recording light being condensed for information recording, and increases the temperature in the vicinity of a focus so as to form a recording mark and that has properties of increasing a light absorption amount with respect to the wavelength of the recording light when light having the wavelength of the recording light is radiated. | 01-07-2010 |
20110151380 | DATA STORAGE MEDIUM - A data storage medium comprising recording information in the form of a track of data points, the colour of each data point being selected from at least three different colours, wherein the recording information is disposed on a substrate which comprises a colour forming composition, wherein said colour forming comprises a colour former which is susceptible to changing to at least three different colours when irradiated with a laser, wherein the colour former is a leuco dye, a diacetylene or a carbazole. Methods of forming the data storage medium and methods of reading the medium are also provided. | 06-23-2011 |
20110207050 | 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 organic dye based recording materials whose molecular weight is small is larger than a mixture ratio of organic dye based recording materials whose molecular weight is large. | 08-25-2011 |
20110236829 | Double-Sided Color Photographic Paper - Disclosed is a double-sided color photographic paper, including, in order, a first protection layer, a first photosensitive layer, a supporting substrate, a second photosensitive layer and a second protection layer. The supporting substrate has a first surface and a second surface opposite to the first surface. A first barrier layer and at least one layer of a first shading layer are sandwiched between the first photosensitive layer and the first surface of the supporting substrate. The first barrier layer is arranged between the first photosensitive layer and the first shading layer; a second barrier layer and at least one layer of a second shading layer are sandwiched between the second surface of the supporting substrate and the second photosensitive layer, and the second barrier layer is arranged between the second shading layer and the second photosensitive layer. | 09-29-2011 |
20120064458 | OPTICAL WAVEGUIDES AND METHODS THEREOF - Embodiments in accordance with the present invention provide waveguide structures and methods of forming such structures where core and laterally adjacent cladding regions are defined. Some embodiments of the present invention provide waveguide structures where core regions are collectively surrounded by laterally adjacent cladding regions and cladding layers and methods of forming such structures. | 03-15-2012 |
430270120 | Having read-write layer of 100 percent inorganic composition | 1 |
430270130 | Which changes phase during recording | 1 |
20080241741 | PHASE CHANGE MEMORY DEVICES AND METHODS FOR MANUFACTURING THE SAME - Phase change memory devices and methods for manufacturing the same are provided. An exemplary embodiment of a phase change memory device comprises a substrate. A dielectric layer is formed over the substrate and a phase change material layer is embedded in the dielectric layer. A first conductive electrode is also embedded in the dielectric layer to penetrate the phase change material layer and extends perpendicular to a top surface of the dielectric layer. | 10-02-2008 |
430270140 | Having read-write layer of 100 percent organic or organometallic composition or mixtures thereof | 9 |
430270150 | Containing nonpolymeric chromophore | 9 |
20090092922 | Imaging Layers, Structures Including Imaging Layers, Methods of Making Imaging Layers, and Imaging Systems - Imaging layers, image recording media, and methods of preparation of each, are disclosed. | 04-09-2009 |
20090104561 | High performance, crosslinked polymeric material for holographic data storage - An optical recording material and methods of making such material is provided. The material comprises of a dewar benzene monomer, with at least two cross-linkable groups, a sensitizer, a cross-linker, and an initiator. The material does not require a binder or a co-sensitizer. The material can be fabricated by an exceedingly easy technique that offers high photosensitivity, high diffraction efficiency, millimeter thickness, and high dynamic range. | 04-23-2009 |
430270160 | Organometallic containing | 5 |
20080199808 | OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF RECORDING INFORMATION - The optical information recording medium comprises a recording layer comprising a compound denoted by general formula (I). | 08-21-2008 |
20080213693 | OPTICAL INFORMATION RECORDING MEDIUM - An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): | 09-04-2008 |
20080220367 | Metallocenyl Phthalocyanine Compounds and Use Thereof - This invention relates to a novel metallocenyl phthalocyanine compound represented by the following general formula (I), in which at least one of the four benzene rings of phthalocyanine is connected with the organometallic complex group through a linker having one carbon atom. This invention also relates to the use of the phthalocyanine compounds in optical recording media. | 09-11-2008 |
20090246687 | AZO-METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM - The azo-metal chelate dye to which the present invention is applied is a compound formed as follows: for example, 1,3,4-thiadiazole ring is selected as the diazo component; the diazo component is combined with a coupler component having condensed rings including a fluorine-substituted alkylsulfonylamino group and an amino group, to form an azo dye compound; and the azo dye compound forms chelate bonds with at least one metal selected from the group consisting of Co, Ni, Cu and Pd. Here, two absorption bands (OD1 and OD2) are seen in the absorption spectrum, which is measured in a range of 400 to 800 nm wavelengths. The azo-metal chelate dye is characterized in that the optical density ratio (OD2/OD1) of the two absorption bands is greater than 1.25. By using this azo-metal chelate dye, an optical recording medium capable of high-speed recording is provided. | 10-01-2009 |
20100178610 | Metallocenyl Phthalocyanine Compounds and Use Thereof -
This invention relates to a novel metallocenyl phthalocyanine compound represented by the following general formula (I), in which at least one of the four benzene rings of phthalocyanine is connected with the organometallic complex group through a linker having one carbon atom. This invention also relates to the use of the phthalocyanine compounds in optical recording media.
| 07-15-2010 |
430270180 | Having methine linkage | 2 |
20080199809 | OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF RECORDING INFORMATION - The optical information recording medium comprises a recording layer comprising a compound denoted by general formula (I). | 08-21-2008 |
20080274423 | OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF RECORDING INFORMATION - The optical information recording medium comprises a recording layer on a support, wherein the recording layer comprises a dye having a film-softening temperature of equal to or higher than 290° C. | 11-06-2008 |