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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 8187689 | 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 sto... | 05/29/2012 |
| 8173239 | Information recording medium, method for producing the same, and sputtering target An information recording medium (100) of the present invention is an information recording medium that allows information to be recorded thereon by being irradiated with an optical beam or by being applied with electrical energy, and includes at least a recor... | 05/08/2012 |
| 8163366 | Write-once-read-many optical recording medium The present invention provides a write-once-read-many optical recording medium comprising a substrate, a recording layer comprising any one of bismuth and an oxide of bismuth, an overcoat layer and a reflective layer in this order from a laser beam incident plane, w... | 04/24/2012 |
| 8158233 | Optical information recording medium, method of manufacturing the same, and sputtering target An optical information recording medium (9) of the present invention is an optical information recording medium including: N information layers, where N is a natural number of 2 or more; and an intermediate layer for separating the N information layers optica... | 04/17/2012 |
| 8147941 | Multi-information-layer recording medium and manufacturing process In forming a space layer of a multi-formation-layer recording medium, there are provided a medium having a high precision in a thickness of the space layer and its manufacturing process. In the multi-formation-layer recording medium wherein at least two pairs of an ... | 04/03/2012 |
| 8147942 | Worm optical recording medium A write-once-read-many optical recording medium is disclosed that includes a support substrate; a recording layer on the support substrate, the recording layer containing an oxide of one of a metal and a metalloid as a principal component; and a layer adjacent to th... | 04/03/2012 |
| 8137782 | Optical media manufactured with low-grade materials This disclosure describes optical media that is compatible with conventional DVD drives. Unlike conventional DVDs, however, the described media uses a lower cost, lower quality material for one of the substrates. In particular, a so-called “dummy” substrate may ... | 03/20/2012 |
| 8133566 | Information recording medium, its manufacturing method, and sputtering target An information recording medium is provided that has high recording sensitivity and high erasability, even when a recording layer thereof is as thin as about 3 nm. An information recording medium 15 on which information can be recorded by applying light or el... | 03/13/2012 |
| 8133565 | Recording medium Provided is an optical recording medium comprising a substrate and a reflective layer, a first dielectric layer, a recording layer, a second dielectric layer and a light-transmission layer formed in this order on the substrate. The recording layer is decomposable by... | 03/13/2012 |
| 8133567 | Information recording medium and method for producing the same An information recording medium ensuring high recording and erase function and excellent archival characteristic at a high linear velocity and over a wide range of linear velocities is provided. Such a medium is obtained by constructing a recording layer which has a... | 03/13/2012 |
| 8133564 | Molding material for blu-ray disc substrate and molding material for HD digital versatile disc substrate Provided are: a molding material for a Blu-ray Disc substrate or an HD DVD substrates which is reduced in the occurrence of appearance failures and can realize a stable yield; and a method of producing the molding material. The molding material for a Blu-ray Disc su... | 03/13/2012 |
| 8129012 | Write-once optical record carrier for high-speed recording The present invention relates to a write-once optical record carrier for high speed recording, in particular to a DVD+R disc. Such a record carrier comprises in general at least a substrate layer (3), a recording layer (2) of an organic dye material on... | 03/06/2012 |
| 8124211 | Optical recording medium, sputtering target, and method for manufacturing the same To provide an optical recording medium including a substrate and over the substrate at least a recording layer that can record and reproduce with laser light in a blue wavelength region, wherein the recording layer includes Bi and O as main components, further inclu... | 02/28/2012 |
| 8124212 | Sputtering target and manufacturing method therefor, and recordable optical recording medium To provide a sputtering target for preparing a recordable optical recording medium characterized by comprising Bi and B and a manufacturing method thereof, a recordable high density optical recording medium using the sputtering target, and a sputtering target which ... | 02/28/2012 |
| 8119215 | Optical recording medium and method for manufacturing the same A write-once type optical recording medium 10 has an inorganic recording film 2. The inorganic recording film 2 has an oxide film 2a containing an oxide of germanium (Ge) and an adjacent film 2b which contains titaniu... | 02/21/2012 |
| 8119219 | Optical recording medium An optical recording medium is provided. The optical recording medium includes a first recording layer and a second recording layer. The second recording layer includes a compound in the form of (CuXM(1-X))YO(1-Y), where M... | 02/21/2012 |
| 8119216 | Optical information recording medium and manufacturing method thereof An optical information recording medium has at least an optical reflective layer, an optical recording layer, an protective layer, and an optical transparency layer formed in that order on the main surface of a disc-shaped substrate. An area in which the protective ... | 02/21/2012 |
| 8119218 | Optical recording medium An optical recording medium is provided. The optical recording medium includes a first recording layer and a second recording layer. The first recording layer includes a compound in the form of M(1−X)OX, where M is one of Si, Zn or Sn, and X ... | 02/21/2012 |
| 8119217 | Optical recording medium with ink receptive coating The instant disclosure relates to an ink jet printable optical recording medium including a substrate having opposing surfaces, namely a recording surface and a printing surface. The printing surface of the substrate is coated with an adhesion promotion layer which ... | 02/21/2012 |
| 8114497 | Optical disc and manufacturing method thereof A method of manufacturing an optical disc comprises the steps of: (1) forming a substrate including an inner supporting section and an outer information recording section, the inner supporting section having a thickness larger than that of the outer information reco... | 02/14/2012 |
| 8114496 | Optical recording medium Provided is an extremely high-density optical recording medium with excellent jitter characteristics and good recording/reproducing characteristics. An optical recording medium 20 comprises a substrate 21 with a guide groove formed therein, a la... | 02/14/2012 |
| 8110272 | Information recording medium An information recording medium (100) is provided with at least a first recording layer (101), which accepts a first laser beam having a first wavelength, can display a visible display pattern (pit art), and has a first pit formed thereon for reading i... | 02/07/2012 |
| 8110273 | Optical information recording medium, recording/reproducing method thereof and recording/reproducing apparatus An optical information recording medium, recording/reproducing method thereof, and recording/reproducing apparatus with superior signal quality for high-density recording that has high storage reliability is provided. The optical information recording medium has at ... | 02/07/2012 |
| 8105673 | Sputtering target for optical media, method of manufacturing same, optical medium, and method of manufacturing same A sputtering target for optical media is mainly composed of Al and contains 1 to 10 at % of one or two species of elements selected from the group consisting of Ta and Nb and 0.1 to 10 at % of Ag. An optical medium 100 comprises a substrate 10 and refl... | 01/31/2012 |
| 8105674 | Sputtering target for making optical medium, method of making same, optical medium, and method of making same The present invention aims at providing a sputtering target for making an optical medium whose reflective layer is mainly composed of Ag and capable of attaining an optical medium which is excellent in surface smoothness and can sufficiently suppress noise and jitte... | 01/31/2012 |
| 8101258 | High density information storage medium having plasmonic nano device A high density information storage medium includes a recording layer in which information is stored; a thin metal film placed on the recording layer and having a structure in which nano-apertures having a size of several nanometers to several hundred nanometers are ... | 01/24/2012 |
| 8097323 | Optical recording medium An object of the invention is to write-once record and reproduce, or only reproduce, a mark smaller than the resolution limit; obtain a high level of reproduction performance (CNR and the like); and realize a high level of reproduction durability. In the invention, ... | 01/17/2012 |
| 8092887 | Super-resolution optical recording medium The invention relates to the field of optical information recording. According to the invention, an optical storage structure is proposed comprising a substrate equipped with physical marks whose geometrical configuration defines the recorded information, a superpos... | 01/10/2012 |
| 8092889 | Silver alloy reflective film for optical information storage media, optical information storage medium, and sputtering target for the deposition of silver alloy reflective film for optical information storage media A silver alloy reflective film for optical information storage media, which can maintain superior environmental resistance, such as high hygrothermal resistance and high light stability, over the long term even when the metal reflective film is in direct contact wit... | 01/10/2012 |
| 8092888 | Noise reduction layer for optical data storage media An optical data storage disk including a substrate, a nanocrystalline noise reduction layer formed over the substrate, a reflector formed directly on the noise reduction layer and a cover layer formed over the reflector layer. An optical source detects data from the... | 01/10/2012 |
| 8088464 | Information recording medium and method for manufacturing same An information recording medium of the present invention includes N information layers on a substrate (1), where N is an integer of 2 or more. Information is recorded/reproduced by irradiating each of the information layers (11, 12) with a laser beam (... | 01/03/2012 |
| 8088466 | Metal alloys for the reflective or the semi-reflective layer of an optical storage medium A silver-based alloy thin film is provided for the semi-reflective coating layer of optical discs. Alloy additions to silver include copper and a rare earth metal. These alloys have moderate to high reflectivity and reasonable corrosion resistance in the ambient env... | 01/03/2012 |
| 8088465 | Optical storage medium with a mask layer providing a super resolution near field effect, and respective manufacturing method The optical storage medium, in particular a read-only optical disc, comprises a substrate layer, a read only data layer comprising a pit structure and being arranged on the substrate layer, a mask layer comprising nanoparticles for providing a super resolution near ... | 01/03/2012 |
| 8084113 | Multi-layered phase-change optical recording medium A multi-layered phase-change optical recording medium having a first substrate and a second substrate, and a plurality of information layers, wherein each of thermal diffusion layers of information layers other than an information layer disposed at the innermost sid... | 12/27/2011 |
| 8075973 | Information recording medium and method for manufacturing the same An information recording medium, 15 capable of recording information by irradiation of light or applying electrical energy, wherein at least one of first and second dielectric layers 102, 106, first interface layer and counter-incident side interface l... | 12/13/2011 |
| 8075974 | Optical recording medium An optical recording medium having first protective layer, recording layer, second protective layer, and reflective layer, wherein the recording layer contains a phase-change material represented by Formula (1″1), Formula (1-2), or Formula (1-3); the second protec... | 12/13/2011 |
| 8075972 | 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,... | 12/13/2011 |
| 8075975 | Optical recording medium and method for manufacturing the same An optical recording medium is an optical recording medium having an inorganic recording film and has a transparent conductive film on the inorganic recording film. The inorganic recording film has a first recording film containing titanium (Ti) and a second recordi... | 12/13/2011 |
| 8071194 | Heat collector A heat collector includes a heat absorption surface, an opposite heat focus surface and one or more surrounding sides. A matrix of the heat collector is a thermally conductive material. There is a plurality of adiabatic pores mixed within the matrix. A relative conc... | 12/06/2011 |
| 8067079 | Optical storage medium comprising a mask layer with a super resolution near field structure The optical storage medium according to the invention uses a mask layer as a super resolution near field structure, which comprises a doped semiconductor material. The semiconductor material is n-doped particularly such that the reflectivity of the semiconductor mat... | 11/29/2011 |
