Matches 1 - 50 out of 157 1 2 3 4 >
Match Document Document Title
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...
7378221 Metallocenyl phthalocyanines as optical recording media  
Mixtures of metallocenyl phthalocyanines obtainable by reacting a mixture A comprising two phthalocyanines: with a metallocene derivative in the presence of a catalyst, and also oligomeric...
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...
7351460 Information recording medium, information recording device, and information recording method  
An information recording medium includes an insulating member, first and second electrodes formed in one plane of the insulating member, and a conductive layer having an electrochromic material...
7341820 Optical information recording medium  
The present invention is an optical information recording medium comprising a substrate having disposed in an order thereon a recording layer, an interlayer, and a cover layer, wherein recording...
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. ...
7276600 Phthalocyanine derivatives and their applications in optical recording media  
An optical recording medium is disclosed, which is composed of a substrate, a recording layer comprising an organic dye upon which information can be recorded by a laser beam, a reflective layer...
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...
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...
6994947 Photochemical hole burning media  
A photochemical hole burning medium is composed of a material in which a rare earth complex and a reducing agent is dispersed in a solid matrix. The rare earth complex may be at least one complex...
6984734 Cyclo[n]pyrroles and methods thereto  
The present invention provides an oxidative coupling procedure that allows efficient synthesis of novel cyclo[n]pyrrole macrocycles. Therefore, the present invention provides cyclo[n]pyrroles where...
6969764 Optical recording medium and novel azaporphyrin compounds  
An optical recording medium having a recording layer which contains at least one compound selected from the group consisting of mono-, di-, and triazaporphyrin compounds optionally in the form of a...
6936403 Recording medium  
A recording medium which has, formed on a substrate, a recording layer that contains spherical grains having a substantially uniform grain size and including inorganic grains. Preferably, an...
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...
6908723 Photo-patternable mono-phase fluorinated organometallic sol-gels for integrated optics and methods of fabrication  
A photo-patternable perfluorinated silane sol-gel material is presented that exhibits a high refractive index and propagation losses below 1 dB/cm at the telecommunication wavelengths. The sol-gels...
6905749 Optical recording disk, method for making and using the same  
An optical recording disk includes at least a recording layer containing an organic compound containing a porphyrin system dye as a primary component and a light transmission layer which transmits...
6896945 Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer  
The invention relates to an optical data carrier having a preferably transparent substrate that has optionally previously been coated with one or more reflection layers and to the surface of which...
6794114 Optical recording medium  
The object of the present invention is to provide an optical recording medium which is excellent in the recording sensitivity and suitable for the high speed recording. Thus, the present invention...
6794005 Optical recording medium, optical recording method and optical recording device  
An optical recording medium having a substrate, and a recording layer provided on the substrate and containing: (a) a formazan metal chelate including a formazan compound and a metal component, (b)...
6790593 Metallocenyl-phthalocyanines  
There was found a metallocenyl-phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, in which at least one of the four phenyl rings of the phthalocyanine...
6762008 Optical recording medium  
An optical recording medium has a substrate, and a recording layer formed thereon which contains at least one formazan chelate compound of formula (I), (II) or wherein A, B, A′, B′, A 1 , A...
6726972 Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer  
An optical data storage medium containing a preferably transparent substrate which has optionally already been coated with one or more reflecting layers and onto the surface of which a...
6551682 Metal-containing azo compound and optical recording media  
There is provided a metal-containing azo compound suitably used for an recording layer of an optical medium, which is represented by at least one of the following general formulae: wherein M(II)...
6534636 Azo-metal complex dye and method for producing the same and its use for a high density optical disc recording medium  
This invention provides azo-metal complex dyes for a high-density optical disc recording medium having the following formula (I): wherein R 1 reprents C 1-8 alkoxyl, carboxy, C 1-8 ...
6531261 Preparation of optical information recording disc and dye solution  
An optical information recording disc showing good recording characteristics is prepared by the steps of coating a dye solution of a laser light-sensitive dye in a fluorinated cyclic alkane or...
6506539 Dye complex and optical information recording medium  
A complex of a dye cation and an anionic TCNQ derivative of the formula (I): in which [Dye] + is a dye cation, L 1 is a linking group, R 1 is a substituent group, p is an integer of 1-4, and...
6500510 Molecular level optical information storage devices  
The present invention relates to use of transition metal complexes in photochromic devices, to the production of optical information storage devices based on a polymeric matrix and on metal oxides...
6479123 Dipyrromethene-metal chelate compound and optical recording medium using thereof  
An optical recording medium comprising at least a recording layer and a reflecting layer on a substrate wherein the recording layer contains at least one dipyrromethene-metal chelate compound...
6447981 Metallized azo thioether dyes  
Metallized azo thioether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an thioether substituent ortho to the azo...
6355327 Optical recording medium and dipyrromethene metal chelate compound for use therein  
A novel optical recording medium having at least a recording layer and a reflective layer on a substrate is herein disclosed, wherein at least one dipyrromethene metal chelate compound represented...
6338888 Optical recording medium and method of information recording/reproduction using the same  
The optical recording medium includes at least a recording layer, a recording supplemental layer, a reflection layer and a protection layer on a light permeable substrate, each of the recording...
6270943 Optical recording elements comprising novel metallized azo ether dyes  
Metallized azo ether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an ether substituent ortho to the azo group....
6242068 Recordable optical media with a silver-palladium reflective layer  
A recordable optical medium includes a transparent substrate, a dye recording layer on the transparent substrate, a reflective layer provided on the dye layer wherein the reflective layer comprises...
6242067 Optical recording medium  
In an optical recording medium using writing and reading light having a wavelength of up to 690 nm and having a recording layer and preferably a reflective layer, the recording layer contains a...
6232036 Optical recording disk  
A high-density optical disk comprises a transparent substrate having a guide groove having a depth of 100 to 200 nm, width of 0.2 to 0.4 μm arranged with a track pitch of 0.7 to 1.0 μm. A...
6228455 Optical recording medium  
A structure of an optical recording medium that mainly includes a first dielectric layer, a dye layer, a second dielectric layer, and a reflective layer formed on a substrate in sequence, and a...
6225022 Optical recording medium and recording method using the same  
An optical recording medium has a substrate and a recording layer formed thereon, the recording layer containing at least one compound represented by formula (I): ##STR1## wherein M, R 1 to R 4...
6218072 Optical information recording medium  
An optical information recording medium provided on a substrate thereof with a recording layer comprising a dye-containing layer, wherein the recording layer further comprises an organometallic dye...
6214519 Optical recording medium  
An optical recording medium comprising a transparent substrate and at least a recording layer containing an organic dye, a reflecting metal layer and a protective layer sequentially laminated on...
6214431 Optical data storage materials for blue-light DVD-R  
The present invention provides a new category of information storage material, nonstoichiometric metal-organic complex Ag 1 -β (TCNQ), which is particularly suitable for digital video disc (DVD-R)...
6165683 Metallized azo-ether dyes for optical recording layers  
A metallized azo-ether dye comprising an azo group linking a substituted 3-hydroxy-pyridine nucleus to a phenyl nucleus wherein the phenyl nucleus has an alkoxy or thioether substituent at its...
6103331 Optical recording medium comprising organic dye thin film  
This invention provides an optical recording medium complying with the DVD standards, having high sensitivity, possessing high dye film stability, having a high C/N ratio during high density...
6087492 Substituted phthalocyanines and their use  
This invention relates to a phthalocyanine or its metal complex of a divalent metal, oxometal, halogenometal or hydroxymetal, which comprises at least one unsubstituted or substituted formyl,...
6057020 Optical recording medium and recording and/or reproduction method using the same  
An optical recording medium has a substrate and a recording layer which is formed on the substrate and contains an azo metal chelate compound including an azo moiety of formula (I) and a bivalent...
6045971 Optical information recording medium and method of producing the same  
An optical information recording medium includes a substrate, and a light absorption layer formed thereon which includes a phthalocyanine compound (I), a phthalocyanine compound (II) and a...
5998093 Optical information recording medium  
An optical information recording medium includes a substrate, and a recording layer formed on the substrate, the recording layer containing at least one compound selected from the group consisting...
5959960 Method of providing a range of conformalities for optical recording layers  
A method of coating an optical recording layer on a transparent grooved substrate is disclosed. The recording layer is coated from a mixture of a primary and a secondary solvent. The solvent...
5948593 Optical recording medium  
An optical recording medium having at least a recording layer and a reflective layer on a substrate. The recording layer contains a dipyrromethene metal chelate compound obtained from a...
5939163 Optical information recording medium  
An optical information recording medium which records at shorter laser wavelengths and has excellent light resistance and archival stability includes a supporting substrate and a recording layer...
Matches 1 - 50 out of 157 1 2 3 4 >