Patent application number | Description | Published |
20100068443 | 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. | 03-18-2010 |
20100239792 | THERMAL PRINTING LAYER AND OPTICAL RECORDING MEDIUM USING THE THERMAL PRINTING LAYER - There are provided a thermal printing layer capable of thermal printing with a thermal head, and an optical recording medium. It is a thermal printing layer capable of thermal printing with a thermal head, which comprises a heat-sensitive color development material, a developer, and a curable resin, wherein the curable resin has an elastic modulus of 1000 Pa or more at 30° C. and an elastic modulus of 1100 Pa or less at 150° C. Also, it relates to an optical recording medium comprising the thermal printing layer and a recording/reading functional layer for performing recording or reading with a light, wherein the optical recording medium has the thermal printing layer on a side of the recording/reading functional layer in which the side is opposite to a side on which the light enters. | 09-23-2010 |
Patent application number | Description | Published |
20080205256 | OPTICAL RECORDING MEDIUM, AND RECORDING METHOD AND RECORDING APPARATUS FOR OPTICAL RECORDING MEDIUM - In an optical recording medium having a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, an optimum recording power to each of the recording layers can be determined. The optical recording medium has a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, and each of the recording layers has a power calibration area (PCA) for optimizing the intensity of the laser beam. | 08-28-2008 |
20090135688 | METHOD AND DEVICE FOR PRINTING ON OPTICAL RECORDING MEDIUM AND OPTICAL RECORDING MEDIUM - A printing method applied to an optical recording medium including a recording/playback functional layer enabling recording or playback by a laser beam, an information recording/playback surface irradiated with the laser beam, and a printing layer separated from the information recording/playback surface by the recording/playback functional layer. Address information used for recording or playback is recorded on the recording/playback functional layer. The printing method detects the address information by irradiating the information recording/playback surface with the laser beam, and carries out printing on the printing layer using the detected address information. | 05-28-2009 |
20090209421 | THERMAL PRINTING LAYER AND OPTICAL RECORDING MEDIUM - There are provided a thermal printing layer suitable for thermal printing with a thermal head, and further provided a thermal printing layer which exhibits no limitations on selection of materials for the thermal printing layer. It relates to a thermal printing layer capable of thermal printing with a thermal head, which comprises a color former layer comprising a heat-sensitive color development material and a curable resin and a developer layer comprising a developer and a curable resin. Also, it relates to an optical recording medium comprising the thermal printing layer and a recording/reading functional layer. | 08-20-2009 |
20100090358 | PROCESS AND APPARATUS FOR PRODUCING OPTICAL RECORDING MEDIUM - To produce an optical recording medium having a good concavo-convex shape whereby optical information recording/retrieving is stabilized. | 04-15-2010 |
20100135132 | OPTICAL RECORDING MEDIUM WITH POWER CALIBRATION AREAS AND A RECORDING METHOD THEREFOR WITH OPTIMUM POWER CONTROL - In an optical recording medium having a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, an optimum recording power to each of the recording layers can be determined. The optical recording medium has a plurality of recording layers on which information can be recorded by irradiating a laser beam from one side thereof, and each of the recording layers has a power calibration area (PCA) for optimizing the intensity of the laser beam. | 06-03-2010 |
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 |