Patent application number | Description | Published |
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 |
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 |
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 |
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 |
20080310293 | OPTICAL INFORMATION RECORDING MEDIUM AND METHOD OF RECORDING INFORMATION - The optical information recording medium comprises a reflective layer, a recording layer, a barrier layer, and a cover layer in this order on a surface of a support, and a layer formed by curing an ultraviolet radiation-curable composition between the barrier layer and the cover layer, the layer having a glass transition temperature of equal to or lower than 25° C. The surface of the support has pregrooves with a track pitch of 50 to 500 nm. The recording layer ranges in thickness from 1 to 100 nm on the lands and from 5 to 150 nm on the grooves, and comprises at least one azo dye compound selected from the group consisting of an azo compound and an azo metal complex compound comprising an azo compound and a metal ion or metal oxide ion, with an attenuation coefficient of 0.15 to 0.3 at a wavelength of 405 nm. | 12-18-2008 |
20090029092 | OPTICAL INFORMATION RECORDING MEDIUM - The invention provides an optical information recording medium having a recording layer capable of recording information by irradiating the recording layer with a laser beam of 440 nm or less. | 01-29-2009 |
20090035505 | OPTICAL INFORMATION RECORDING MEDIUM AND METAL COMPLEX - The invention provides an optical information recording medium having at least a substrate and a recording layer capable of recording information provided on the substrate. The recording layer contains at least a metal complex compound obtained by forming a salt from a cationic part and an anionic part, and the cationic part being a cation of a metal complex having a molar absorbance coefficient (∈) in the wavelength range of 350 to 1300 nm of 10,000 dm | 02-05-2009 |
20090052299 | OPTICAL INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING METHOD - There is provided an optical information recording medium including, on a substrate, a recording layer in which information can be recorded by irradiating a laser beam having a wavelength of 440 nm or less, wherein the recording layer includes an oxonol dye that has a maximum absorption wavelength longer than the wavelength of the laser beam. There is also provided an information recording method including irradiating a laser beam having a wavelength of 440 nm or less to the optical information recording medium to record information. | 02-26-2009 |
20090130366 | Optical Information-Recording Medium and Information-Recording Method - There is provided an optical information-recording medium, comprising a recording layer capable of recording of information by irradiation of a laser beam having a wavelength of 440 nm or less on or above a substrate, the recording layer comprising a dye having two or more independent dye moieties in the molecule that are bound to each other in a manner other than by forming a conjugated bond to the dye moieties, and a method of recording information, comprising recording information by irradiating a laser beam having a wavelength of 440 nm or less on or above the optical information-recording medium according to the present invention described above. | 05-21-2009 |