Patent application number | Description | Published |
20090022933 | OPTICAL RECORDING MEDIUM - To provide an optical recording medium exhibiting favorable write/read characteristics in high-speed recording. In an optical recording medium including a reflective layer, a dye-containing recording layer, and a transparent resin layer on a substrate in this order, a barrier layer is disposed between the recording layer and the resin layer, where the barrier layer comprises a material having a bulk thermal conductivity M of 70 W/m·K or more at 300 K and has a thickness t less than 5 nm. | 01-22-2009 |
20090234122 | CYANINE DYE AND OPTICAL RECORDING MEDIUM - The present invention has an object to widen the range of applicable field of organic compounds to be selected as light absorbing materials in various fields including information recordings, solar energy generations, electric machinery apparatuses, electric communicating apparatuses, optical apparatuses, clothes, building/bedding/decorating products, sanitary and health goods, and agricultural materials, particularly, in the field of optical recording media by providing novel organic materials which absorb short-wavelength visible light, have improved lightfastness and solubility in solvents, and also have heat characteristics depending upon uses to be applied. The object is attained by providing cyanine dyes having a specific structure. | 09-17-2009 |
20090252013 | HYDRAZIDE CHELATE COMPLEX COMPOUND, OPTICAL RECORDING MEDIUM USING THE COMPOUND AND RECORDING METHOD THEREOF - Provided are a novel hydrazide chelate complex compound which is excellent in terms of both solubility in a coating solvent and light fastness, which can be used for blue laser recording, and which is useful as a dye for forming a recording layer of an optical recording medium, the hydrazide chelate complex compound being represented by general formula (1) below; and a dye for forming a recording layer of an optical recording medium, the dye containing the compound. | 10-08-2009 |
20090263611 | OPTICAL RECORDING MEDIUM, OPTICAL RECORDING MATERIAL AND METAL COMPLEX COMPOUND - [Problem]: An optical recording medium having a capability of recording and/or reading high density optical information using a short wavelength laser light is provided. | 10-22-2009 |
20100015382 | AZO METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM - The invention provides an azo metal chelate dye suitable for use in a recording layer of an optical recording medium capable of high-speed recording or an optical recording medium having plural recording layers, and an optical recording medium. The azo metal chelate dye comprises an azo dye compound represented by general formula (1) and a metal: | 01-21-2010 |
20100098898 | AZO METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM - The invention provides an azo metal chelate dye suitable for use in a recording layer of an optical recording medium capable of high-speed recording or an optical recording medium having plural recording layers, and an optical recording medium. The azo metal chelate dye comprises an azo dye compound represented by the general formula (1) and Zn | 04-22-2010 |
20100119764 | CYANINE DYE AND OPTICAL RECORDING MEDIUM - To provide an optical recording medium on which recording/retrieving of high density optical information is possible by a short wavelength light such as a blue laser. | 05-13-2010 |
20100166999 | OPTICAL RECORDING MEDIUM - The invention is principally to provide an archival optical recording medium of high quality which has satisfactory recording/reading characteristics when used in high-speed recording and high-density recording. The invention accomplishes the object with an optical recording medium comprising a resin substrate, a recording layer comprising an organic dye, and a reflective layer, wherein the reflective layer has a first reflective layer and a second reflective layer in this order from the side close to the recording layer, the second reflective layer has a thermal conductivity lower than the thermal conductivity of the first reflective layer, and the first reflective layer has a film thickness larger than the thickness of the second reflective layer. | 07-01-2010 |
20100173114 | OPTICAL RECORDING MEDIUM AND AZACYANINE DYE - An optical recording medium on which high-density recording and reading of optical information can be conducted by a short-wavelength light such as a blue laser beam is provided. | 07-08-2010 |
20110069595 | AZO METAL CHELATE DYE AND OPTICAL RECORDING MEDIUM - To provide a dye to be used for an optical recording medium excellent in both high speed recording characteristics and reproduction durability. | 03-24-2011 |