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7282320 Apparatus for three-dimensional optical data storage and retrieval  
A three dimensional optical data storage and retrieval system that includes a three dimensional optical data storage medium and an apparatus for providing access to data stored on the medium. The...
7270864 Optical information recording medium  
For improving the jitter property and ensuring the high reliability of an optical disk, a metal film containing phosphorus is disposed in a reflective layer. The layer has a hardness of 60 mgf/μm...
7247417 Optical recording medium and optical recording/reproducing method  
The present invention provides an optical recording medium that includes a recording layer composed mainly of an organic compound and can utilize blue-violet semiconductor laser light (390 to 420...
7244486 Optical recording medium and optical recording method  
An organic dye type optical recording medium capable of recording or reading information by a blue laser having a shorter wavelength, is provided. An optical recording medium comprising a...
7241555 Optical information recording medium and method for recording information  
The present invention provides an optical information recording medium including a substrate; and a recording layer provided onto the substrate, to which information can be recorded and from which...
7240352 Optical recording medium having a pattern  
An optical recording medium which comprises a print-receiving layer as the outermost layer on the side opposite to the light incidence side, wherein a pattern is formed on the print-receiving layer.
7238461 Optical information-recording medium, novel oxonol compound and method of recording information  
An optical information-recording medium which contains a dye having at least two chromophores bonded to each other without any conjugated bond intervening between those chromophores.
7238460 Optical recording medium, production method thereof and method of using same  
Disclosed is an optical recording medium, comprising a polymer alloy forming a phase-separated domain structure of a coating object, and a volatile substance interacting with the polymer alloy. The...
7226720 Limited play data storage media and method for limiting access to data thereon  
A limited play optical storage medium for data is described which comprises a first substrate, a reflective layer, a data layer disposed between said substrate and said reflective layer; a reactive...
7226719 Limited play data storage media and coating formulations thereon  
The present invention provides a formulation for a reactive dye layer for a limited-play optical storage medium, the reactive formulation including at least one carrier material or curable acrylate...
7223521 Squarylium-metal chelate compounds and optical recording media  
Squarylium-metal chelate compounds as recording materials for optical recording media, and optical recording media using these compounds, which have excellent recording properties, light resistance...
7205039 Optical information recording medium, information recording method, and dye compound  
An optical information recording medium whose recording layer includes a phthalocyanine derivative having a substituent of the following formula (I): (in the formula (I), R 1 , R 2 and R 3 ...
7166415 Phase-change recording material used for information recording medium and information recording medium employing it  
A phase-change recording material used for an information recording medium utilizing a crystalline state as a non-recorded state and an amorphous state as a recorded state, which has the...
7163730 Optical information storage medium and method for manufacturing the same  
An optical information storage medium includes a first substrate, a first recording layer, a first reflective layer, a spacer layer, a second recording layer, a second reflective layer, and a...
7144677 Optical recording method and optical recording medium  
This invention provides a recording method for an optical recording medium having superior high-speed recording, and a playable optical recording medium in which data pits are formed by this...
7129019 Optical information recording medium  
The present invention provides an optical information recording medium that includes a substrate including a groove with a track pitch of 200 to 400 nm and a groove depth of 20 to 150 nm and having...
7125594 Write-once optical recording medium  
A write-once optical recording medium has a transparent resin substrate having a concentric groove or a spiral groove and having recessed cells defining recording regions that are arranged in the...
7101655 Method for increasing fluorescent signal of optical disks with fluorescent reading and resultant discs  
A fluorescent composition for use with single-layer and multilayer optical discs for CD ROM, DVD and WORM type devices with fluorescent reading is disclosed. The composition comprises a fluorescent...
7094517 Recording layer with organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading  
High sensitive organic dye-in-polymer (DIP) medium for write-once-read-many (WORM) optical discs with fluorescent reading. The medium consists of a fluorescent color means, capable of absorbing...
7094516 Benzobisazole compound and optical recording medium containing the compound  
An optical recording medium having an organic dye layer as a recording layer on a substrate, wherein at least one benzobisazole-based compound represented by a general formula (1) is contained in...
7094457 Compounds for recording media and high-density optical recording media thereof  
A compound used as storage medium of high-density optical disc is disclosed, which has structure represented as following formula: wherein each A 1 , A 2 , A 3 , and A 4 independently is...
7087283 Optical storage media and fabrication method thereof  
An optical storage medium having a three-dimensional data pattern, and fabrication method thereof. The optical storage medium includes a substrate and a plurality of recording layers, each...
7087282 Limited play optical storage medium, method for making the same  
In one embodiment, a limited play optical storage medium for data comprises: a reflective layer, a control portion comprising an optically transparent polymeric resin and a light absorbing...
7081328 Optical disk having super-resolution film  
An optical disk from which recorded data are read out by means of light irradiation has a substrate having recording pits as data on a surface thereof, and stacked films formed on the substrate....
7078149 Optical recording medium and method for making the same  
A method for fabricating an optical recording medium is provided. A dye layer is formed on a molded substrate by spin-coating. A reflection layer is formed on the dye layer by sputtering so that...
7041354 Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer  
Optical data carrier comprising a preferably transparent substrate which may, if desired, have previously been coated with one or more reflection layers and to whose surface a light-writeable...
7026029 Reactive materials for limited play optical devices and methods of making same  
Methods and apparatus are provided for making an optically readable storage media in which the reading beam passes through a bonding layer configured with a reactive material that transforms from...
7022393 Optical recording medium  
An optical recording medium can be recorded at a high linear velocity of at least 10 m/s while maintaining an excellent light stability and favorable reflectance. A recording medium is constructed...
7022392 In-situ polymerized matrix for isomerized optical recording article  
An optically recorded article comprising a pattern of isomerized material in two isomeric forms in a matrix, wherein one of the isomeric forms is capable of being converted to the other form by...
7014981 Benzoindole styryl compounds and their uses in high-density recording media  
The invention discloses new benzoindole styryl compounds and its use for a high-density optical recording medium. The invention uses the dyes of the new benzoindole styryl compounds to form the...
7011925 Three-dimensional optical memory  
The present invention is directed to a three-dimensional memory apparatus for storing information in a volume comprising of an active medium. The active medium is capable of changing from a first...
7011875 Optical information-recording medium and dye  
The present invention provides an optical information-recording medium capable of recording and reproducing information with laser beams and having excellent recording characteristics, the optical...
7008753 Optical recording medium  
The present invention provides an optical recording medium including a recording layer and an optical reflection layer formed on a substrate. The recording layer contains at least one particular...
RE38979 Optical information recording medium and composition for optical information recording film  
An optical information recording medium is here disclosed which comprises a transparent substrate, a recording layer comprising an organic dyestuff on which information can be written by a laser...
6991889 Limited play data storage media and method for limiting access to data thereon  
The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media comprises: an optically transparent substrate; a...
6986926 Method for the recording of data on/in data supports by means of laser radiation and data supports produced thus  
The invention relates to a method for the recording of data, in particular, personal data on and/or in a data support, by means of electromagnetic radiation. A corresponding data support is made...
6984434 Recordable digital video disc  
A recordable digital video disc preferably employable for information recording method using a laser beam having a wavelength of 600–700 nm, composed of a transparent disc substrate provided with...
6982109 Method for rendering surface layer of limited play disk lightfast  
An optically readable media ( 10 ) has an information-encoding layer ( 16 ) and at least one color-forming layer ( 12 ) that embodies an optical readout-limiting mechanism. In a first embodiment...
6967048 Optical recording medium  
An optical recording medium includes a substrate having successively disposed thereon a light-reflecting layer, a recording layer and a cover layer, with recording and playback being effected by...
6960421 Optical recording medium and fabricating method thereof  
An optical recording medium is described, having suitable recording characteristics over a wide range of recording linear speed and fitting with recording/reproduction apparatuses of CD-R...
6960382 Limited play optical devices with interstitial reactive layer and methods of making same  
Methods and apparatus are provided for making an optically readable storage media in which the reading beam passes through a bonding layer configured with a reactive material that transforms from...
6958181 Protected activators for use in leuco dye compositions  
Compositions and methods for production of color images using leuco dye-containing color forming compositions are described. The color forming composition can include a color forming leuco dye, an...
6936325 Optical recording medium  
An optical recording medium having at least a recording layer 11 and a light transmitting layer 13 formed on a substrate 10 , in which the recording layer 11 is made of an organic material...
6936323 Optical recording medium, and method and device using the same  
An optical recording medium includes a substrate and at least a recording layer deposited on or above the substrate, and the recording layer contains at least one formazan-metal chelate compound...
6933032 Write-once-read-many optical recording media and process for recording and reproducing information on the media  
For recording information at high density even at blue-laser wavelengths, a write-once-read-many optical recording medium includes a first inorganic thin film and at least one of a second inorganic...
6926943 Use of light-absorbing compounds in the information layer of optical data carriers, and optical data carriers  
The invention relates to a write-once optical data carrier in which organic and/or inorganic light-absorbing compounds are used as the information layer, especially for high-density optical data...
6925051 Limited play data storage media and associated methods of manufacture  
The present invention provides a reactive adhesive formulation for use in a limited play data storage medium, the reactive adhesive formulation including at least one adhesive material, at least...
6924018 Optical information recording medium  
The present invention provides an optical information recording medium including a substrate having a groove that has a track pitch of 200 to 400 nm and a depth of 20 to 150 nm, the substrate...
6916519 Colored optical discs and methods for making the same  
Embodiments of optical discs and methods for making the same are disclosed. In one embodiment, the optical disc comprises: at least two plastic substrates comprising a bonding layer and a data...
6905750 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 highly reflective or the semi-reflective layer of optical discs. Alloy additions to silver include gold, rhodium, ruthenium, osmium, platinum,...
Matches 1 - 50 out of 340 1 2 3 4 5 6 7 >