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7558187 Apparatus and method of initializing phase-change optical disk  
Provided is an apparatus and method of initializing a recording layer used in manufacturing a phase-change optical disk for storing information. The optical disk is initialized using a UV lamp in...
7558183 System and method for optical media marking  
An information handling system optical medium disc is labeled by removing portions of disc's polycarbonate material from the non-storage side of the disc to form an image. Formed images define a...
7524612 Information recording medium and process for producing the same  
An information recording medium has an excellent jitter characteristic with a considerable difference in reflectance between prior to and subsequent to recording. The information recording medium...
7507524 Azo-metal chelate dye and optical recording medium  
The azo-metal chelate dye of the present invention is formed, for example, from zinc (divalent) as a center metal ion and an azo compound bonded with a coupler component having an amino group and a...
7479363 Optical recording medium and method for optically recording data in the same  
An optical recording medium includes a substrate, a first recording layer formed on the substrate and containing an element selected from the group consisting of Si, Ge, C, Sn, Zn and Cu as a...
7474447 Apparatus and method for recording and reproducing optical information  
Optical information is stored in an optical information recording medium having an information recording layer utilizing holography with an optical information recording apparatus which includes...
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...
7455951 Information recording medium and its manufacturing method  
A phase change recording medium comprising an as-deposited first recording layer configured to undergo a reversible phase change between an amorphous state and a crystalline state due to light...
7457229 Optical recording medium  
The present invention relates to an optical recording medium having a plurality of recording layers having different uses. The optical recording medium includes a first light transmitting layer (...
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...
7449279 Optical information recording medium  
An optical information recording medium including a substrate in which at least one of a groove and a pit is formed; a recording layer located overlying the substrate and including a dye; and a...
7439007 Phase change information recording medium having multiple layers and recording and playback method for the medium  
A multilayer phase change information recording medium including plural information layers containing at least a first information layer and a last information layer, each of which includes a...
7425401 Cyanine compounds, optical recording materials and optical recording media  
An optical recording medium containing a cyanine dyes of formula: Where at least one pair of R1 & R2 and R3 & R4 are benzyl moieties, rings A and B are each a benzene or naphthalene...
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...
7403457 Method and apparatus for recording information with a multi-layer structure  
An optical recording medium has a multi-layer structure recording layer portion including plural recording layers provided with tracks for guiding a recording light and being adapted to record...
7402375 Cyanine dyes  
The present invention provides organic dye compounds having their absorption maxima in a region ranging from the ultraviolet region to a relatively short wavelength visible region and uses thereof....
7384723 Optical information recording medium  
An optical information recording medium including a substrate having successively disposed thereon a recording layer, an interlayer, a pressure sensitive adhesive layer and a cover film in which...
7378220 Optical information recording method and medium  
An optical information recording medium includes a substrate having disposed thereon a recording layer that is recordable by irradiating the recording layer with a laser having a wavelength of 450...
RE40330 Optical recording medium, reproducing system, method of reproducing optical disk, method of fabricating optical disk original record, and method of stopping illegal program operation  
The present invention provides an optical disk 9 with a duplication preventing function, reproducing system 47 for the optical disk 9 , optical disk reproducing method, method of fabricating...
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...
7359306 Holographic recording medium  
Provided is a holographic recording medium including a recording layer in which information is to be holographically recorded, and a light-shielding layer which faces a main surface of the...
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;...
7348125 Optical information recording medium and novel immonium compound  
Disclosed is an optical information recording medium comprising a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the...
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...
7328447 Optical recording medium manufacturing device, method, optical recording medium, reproduction device, method, recording device, and method  
An optical recording medium having a plural number of recording layers includes a n-th recording layer ( 23 ) (n≧1), made up by a substrate ( 20 ) and a semi-reflective layer ( 21 ) carried by...
7276274 Optical recording medium and method for recording and reproducing data  
An optical recording medium includes a substrate, a light transmission layer and a plurality of recording layers between the substrate and the light transmission layer and capable of recording data...
7263057 On-groove recordation type optical disc  
Hardness of a resin substrate of an optical disc is selected to be greater than hardness of a cover layer of the optical disc, at least when information is recorded on the optical disc. A laser...
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...
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...
7226637 Manufacturing method for multilayer fluorescent information carriers  
An information layer for an optical information storage medium is formed in a centrifuge. A photopolymerizable composition is applied to a solid base having a relief pattern, and a flexible,...
7223520 Limited play optical media device with barrier layers  
The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media includes a first substrate; a reflective layer; a data...
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...
7223505 Method for forming micropatterns  
A method for forming micropatterns includes forming a thin film consisting of a single layer or of plural layers on a substrate, irradiating an energy beam to the thin film to elevate the...
7215352 Information recording system and information recording method  
System and method are devised to produce an optical recording medium suitable for identification and management. A recording layer formed in the optical recording medium is irradiated with writing...
7166417 Method for manufacturing recording media, method for manufacturing production plate used when manufacturing recording media, apparatus for manufacturing recording media, and apparatus for manufacturing production plate used when manufacturing recording media  
When manufacturing a recording medium, a material layer 12 formed on a substrate 11 that composes the recording medium is exposed to a laser beam in accordance with a recording pattern. The...
7110544 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk  
Disclosed is an optical disk barcode forming method wherein, as information to be barcoded, position information for piracy prevention, which is a form of ID, is coded as a barcode and is recorded...
7099264 Flat-plate lens  
The invention discloses a flat-plate lens to be built in an optical recording medium for improving the image-forming characteristics of the recording medium. The flat-plate lens of the invention...
7058001 Recording medium and information recording and reproducing method using the same  
A recording medium comprises a substrate and a recording layer overlaid on the substrate. The recording layer comprises a material, which has properties such that, when recording light having a...
7027386 Read-only optical recording medium with ZnO near-field optical interaction layer  
This invention relates to a read-only near-field optical disk using a zinc-oxide (ZnO) nano-structured thin film as the localized near-field optical interaction layer. This read-only near-field...
7022460 Erasable optical recording material for blue lasers  
An optical recording material for binary, multibit or volume data storage is described. The optical recording material comprises: (a) at least one dyestuff selected from polymeric azo dyestuffs and...
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...
6985373 Binary beam steering device  
An element for steering electromagnetic beams. The element includes a phase change material in combination with dielectric and other layers in a multilayer optical stack. The phase change material...
6965556 Optical information medium having high resolution beyond a diffraction limit and reading method  
In an optical information medium having an information bearing surface having projections and depressions and/or capable of forming recorded marks, a functional layer is added. The information...
6961302 Method and structure for intensifying track seeking signals from an optical disk  
A method and structure for intensifying track seeking signals from an optical disk, in particular, a recordable digital versatile disk (DVD-R). With the addition of an optical correction layer...
6921624 Optical recording medium  
Disclosed is an optical recording medium comprising a recording layer. The recording layer contains: a charge generation material generating an electron and a hole by light irradiation; a charge...
6901044 Optical information medium and its use  
An optical information medium ( 20 ) for erasable recording by means of a laser-light beam ( 10 ) is provided. A substrate ( 1 ) holds a stack ( 2 ) of layers with a phase-change recording layer (...
6882460 Phase angle controlled stationary elements for long wavelength electromagnetic radiation  
An element for reflecting, transmitting, focusing, defocusing or wavefront correction of electromagnetic radiation in the terahertz frequency range. The elements include a grid of conductive strips...
6842419 Optical information recording medium and optical disk drive  
An optical information recording medium includes a substrate, first information recording layer, and second information recording layer. The first information recording layer includes a recording...
6839316 Pseudo-reflective read inhibitor for optical storage media  
System and methods are described for inhibiting the readability of an optical media due to changes in a pseudo-reflective material that composes the optical media after the optical media has been...
6821708 Cyanine-TCNQ complex dye data storage media and manufacturing method thereof  
This invention provides a data storage media comprising at least a cyanine-TCNQ complex dye having the structural formula: wherein Q and Q′ denote aromatic or polyaromatic, R1 and R2 are...
Matches 1 - 50 out of 420 1 2 3 4 5 6 7 8 9 >