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| Number | Title | Issue Date |
| 8148046 | 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... | 04/03/2012 |
| 7960092 | Method of recording in an optical information recording medium An optical information recording and reproducing device 1 irradiates initialization light L1 to an optical information recording medium 100 having a recording layer 101 made of photopolymerization-type photopolymer in advance to bring abo... | 06/14/2011 |
| 7642035 | Sensitized photochemical switching for cholesteric liquid crystal displays The present invention relates to photo-tunable dopant compositions comprising a photo-reactive chiral compound capable of undergoing a photochemical reaction resulting in the loss of chirality, and a triplet sensitizer. The present invention also relates to a displa... | 01/05/2010 |
| 7527914 | Reading inhibit agents Disclosed is an optical disk, card or media which comprises: a) a plurality of data structures that are readable by the interrogating beam of light; and b)a composition on or in the optical disk, card or media disposed so that when the optical disk, card or media is... | 05/05/2009 |
| 7491486 | Optical information recording medium The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the fol... | 02/17/2009 |
| 7459263 | Optical recording media with triplet-sensitized isomerization The invention relates to an optical recording material comprising: a polymeric matrix; a dewarbenzene derivative reactant capable of undergoing isomerization to a benzene product upon triplet excitation, thereby causing a change in optical properties; and a sensitiz... | 12/02/2008 |
| 7449278 | Multilayer optical recording medium and storage device A multilayer optical recording medium including a first recording layer for recording or reproducing information by using a first light beam having a center wavelength λ1, a first photochromic layer provided on the first recording layer, and a first optical wavegui... | 11/11/2008 |
| RE40556 | Multi-layer information recording medium and information recording and reproducing apparatus A multi-layer-information-recording medium is applied to an information recording and reproducing apparatus capable of recording or reproducing information on and from either of a single-layer-information-recording medium having a single recording layer on one side,... | 10/28/2008 |
| 7432197 | Methods of patterning photoresist, and methods of forming semiconductor constructions The invention includes semiconductor constructions containing optically saturable absorption layers. An optically saturable absorption layer can be between photoresist and a topography, with the topography having two or more surfaces of differing reflectivity relati... | 10/07/2008 |
| 7427432 | Optical recording medium A dual-layer optical recording medium, which is formed by adhering a disk substrate (inverted-stack structure) formed by stacking a reflective layer (1) and a recording layer (1) on a substrate (1) and a disk substrate (conventional-stack struct... | 09/23/2008 |
| 7419762 | Media and method for limiting access to data thereon A media can comprise: a reflective layer, an oxygen penetrable UV coating, and a reactive layer disposed between the UV coating and the reflective layer. The reactive layer can comprise a reactive material that oxidizes with exposure to oxygen. ... | 09/02/2008 |
| 7410681 | Optical information recording medium An optical information recording medium includes a transparent substrate on which a recording layer, a reflection layer, a hydrophobic protective layer, a hydrophobic intermediate layer, and an ink receiving layer are successively overlaid. ... | 08/12/2008 |
| 7407698 | Flexible optical disk A flexible optical disk, includes a disk substrate, wherein a rigidity of the disk is equal to or more than 5 Pa and equal to or less than 5000 Pa where the rigidity is defined as Young's modulus of the disk×(thickness of the disk/radius of the disk)3. | 08/05/2008 |
| 7405030 | Imide compound and optical recording media made by using the same An optical recording medium containing one or more compounds selected from imide compounds having a metallocene residue in a recording layer and an imide compound represented by a general formula (1): wherein a ring AR repr... | 07/29/2008 |
| 7390548 | Optical information storage medium An optical information storage medium includes a first substrate, a reflective layer and a second substrate. In this case, the reflective layer is disposed above the first substrate. The second substrate is disposed above the reflective layer. The material of the se... | 06/24/2008 |
| 7384676 | Coating composition, hard coat film, and optical disk One side of a substrate film 11 is coated with a coating composition containing (A) a reactive particle produced by chemically bonding an organic compound having at least one polymerizable unsaturated group in its molecule to an inorganic oxide particle, (B) ... | 06/10/2008 |
| 7381458 | Recording medium The main object of the present invention is to provide a recording medium which makes high densification of information possible, particularly a write-once-read-many optical recording medium having good recording signal characteristics to a wide range of recording p... | 06/03/2008 |
| 7378140 | Optical information recording method An optical information recording method including recording information at a linear velocity of at least 14 m/s to an optical information recording medium including a substrate and a dye-containing recording layer formed on the substrate. The dye has an endothermic ... | 05/27/2008 |
| 7375057 | Pre-written marking on optical disc with opto-mechanically writable marking surface An optical disc of one embodiment of the invention is disclosed that includes a data side and a marking surface. Information is digitally storable on the data side. A marking is opto-mechanically writable on the marking surface. The marking surface includes a pre-wr... | 05/20/2008 |
| 7368221 | Changing light absorption by disruption of conjugation Copy-protected optical medium utilizing a composition comprising a transient optical state change security materials constrained to change the optical state light absorption at a wavelength of about 400 nm and an electron transfer agent. ... | 05/06/2008 |
| 7368219 | Polymer for forming anti-reflective coating layer A polymer for forming an organic anti-reflective coating layer between an etching layer and a photoresist layer to absorb an exposure light in a photolithography process and a composition comprising the same are disclosed. The polymer for forming an organic anti-ref... | 05/06/2008 |
| 7368156 | Method for manufacturing discoid optical record medium and discoid optical record medium A disc-shaped optical recording medium formed by carrying out a film formation process on a disc-shaped substrate material and completed by forming a center hole at the last step is manufactured in a manner such that no eccentricity will occur when the recording med... | 05/06/2008 |
| 7366081 | Information recording medium An information recording medium according to the present invention includes a recording layer that is formed of a single layer of a single type of recording material and is directly sandwiched by a pair of resin layers, the information recording medium being constru... | 04/29/2008 |
| 7361393 | Optical disk having a hard coat layer having lubricity imparted An optical disk of a system wherein a recording layer is to be irradiated with a laser beam through a thin film cover layer, wherein on the surface of the thin film cover layer, a hard coat layer is formed which is made of a cured product of an active energy ray cur... | 04/22/2008 |
| 7361394 | Optical disk having a hard coat layer having sebum stain proofness imparted An optical disk of a system wherein a recording layer is to be irradiated throughout a thin film cover layer with a laser beam, wherein a hard coat layer (W) is formed on the thin film cover layer, and the hard coat layer (W) is made of a cured product of coating co... | 04/22/2008 |
| 7358031 | Optical information recording medium, optical information recording device and manufacturing method of optical information medium A multilayer optical information recording medium includes optical information recording layers, and dielectric multilayer reflecting layers provided under the optical information recording layers respectively. Each of the dielectric multilayer reflecting layers inc... | 04/15/2008 |
| 7353528 | Optical recording medium and its manufacturing method A multi-layered film made of sequentially stacked first dielectric layer, recording layer, record-assist layer, second dielectric layer and first reflection layer on a disc substrate having a concavo-convex structure at least on one surface thereof. An ultraviolet-s... | 04/01/2008 |
| 7352686 | Limited play optical devices with interstitial reactive layer and methods of making same A data storage device comprises a first substrate and a second substrate, wherein at least the first substrate has defined thereon a plurality of pits and lands covered by a reflective material; and a bonding layer between the first and second substrates including a... | 04/01/2008 |
| 7348124 | High-density readable only optical disk A high-density readable only optical disk with a large storage capacity includes a substrate with pits, and one or more mask layers with a super resolution near field structure, which are made of a mixture of a dielectric material and metal particles. The optical di... | 03/25/2008 |
| 7341818 | Norbornene-type monomers and polymers containing pendent lactone or sultone groups The disclosed invention relates to novel norborne-type monomers containing pendent lactone or sultone groups. The invention also relates to norborne-type polymers and copolymers containing pendent lactone or sultone groups. These polymers and copolymers are useful i... | 03/11/2008 |
| 7338695 | Method for evaluating optical information medium and optical information medium A simple method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of an artificial fingerprint liquid as an evaluation dispersion liquid, is provided. An optical i... | 03/04/2008 |
| 7332261 | Phthalocyanine compound, process for preparing the same, and optical recording medium containing the same A phthalocyanine compound represented by the following general formula (I) and the mixture thereof, and an optical recording medium containing the compound/mixture in its recording layer. wherein in formula (I), ... | 02/19/2008 |
| 7329462 | Reflective article and method for the preparation thereof A reflective article useful, for example, in automotive headlights includes a substrate, a reflective metal layer, and a haze-prevention layer between the substrate and the reflective metal layer. The substrate includes an amorphous thermoplastic resin having a heat... | 02/12/2008 |
| 7317566 | Electrode with transparent series resistance for uniform switching of optical modulation devices Switching uniformity of an optical modulation device for controlling the propagation of electromagnetic radiation is improved by use of an electrode comprising an electrically resistive layer that is transparent to the radiation. The resistive layer is preferably an... | 01/08/2008 |
| 7314658 | Storage medium for data This disclosure relates to a data storage medium, and in particular to a data storage medium comprising at least one high modulus layer. In one embodiment, an asymmetric optical storage medium can comprise: a substrate layer comprising polyarylene ether, a high modu... | 01/01/2008 |
| 7309518 | Radial tilt reduced media A storage media can comprise: a plastic substrate, an optical layer, a reflective layer disposed between the optical layer and the substrate, and an adhesive layer disposed between the optical layer and the reflective layer. The optical layer can have an optical lay... | 12/18/2007 |
| 7303803 | Copy-protected optical media and method of manufacture thereof A computer-readable medium having material at a select position therein and containing instructions for controlling an optical reader to cause the optical reader to re-read the position having the material one or more times to elicit a measurable parameter at such p... | 12/04/2007 |
| 7300690 | Radial tilt reduced media A storage media having a radial deviation of less than or equal to about 1.15 degrees at a radius of 55 mm is disclosed. In one embodiment, the storage media comprises: a plastic substrate, an optical layer and a data storage layer disposed therebetween. A reflectiv... | 11/27/2007 |
| 7299535 | Methods for making data storage media and the resultant media Methods for forming data storage media and the media formed thereby are disclosed herein. In one embodiment, the method for forming a data storage media, comprises: injection molding a substrate comprising surface features, wherein said surface features have greater... | 11/27/2007 |
| 7294281 | Optical information recording medium, original disc for optical information recording medium, and method of manufacturing the same An optical information recording medium, which includes both of a land surface and a groove surface as a recording track and presents high signal quality. The optical information recording medium includes both a land and a groove as the recording track on a substrat... | 11/13/2007 |
