Matches 451 - 500 out of 881 < 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >
Match Document Document Title
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...
6337117 Optical memory device  
An optical memory device comprising a luminous material capable of increasing and/or memorizing a photoluminescence intensity (hereinafter referred to as a “luminous intensity”) as a function...
6337118 Adhesive for optical disks  
The invention relates to an adhesive for optical disks exhibiting superior adhesive properties with resins such as polycarbonate or metals such as aluminum and gold, and possessing better wet heat...
6335071 Storage member  
In an optical disk which includes a recording film having a laminated construction, and which records information by changing optical characteristics of the recording film by applying a laser beam,...
6335069 Phase-changeable optical recording medium, method of manufacturing the same, and method of recording information on the same  
A phase change optical disk having a reflectance relation of Rc<Ra and is adapted such that high recording characteristic can be obtained starting at a first recording time even when a recording...
6335072 Non-true-circular optical disk  
A non-true-circular optical disk includes a disk substrate which internally touches a hypothetical true-circle corresponding to an outer periphery of a true-circular optical disk of a certain...
6335070 Record medium, record medium manufacturing apparatus and information recording/reproducing apparatus  
A record medium ( 1 ) is provided with: a main body; a groove track ( 1 G) formed on the main body, as one track for recording information onto which a light beam for recording and/or reproducing...
6333089 Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk  
A cavity surface-forming plate of a mold for injection-molding a plastic substrate is coarsely polished, and then a surface for defining a cavity is applied with electroless Ni--P plating. The...
6329035 Optical data storage medium capable of reversibly displaying information  
An optical data storage medium includes a substrate, an optical data storage layer overlaid on the substrate and a reversible image recording layer overlaid on the optical data storage layer, in...
6324148 Optical disk and optical information recording/reproducing apparatus  
An optical disk includes at least two information recording layers on one side of the disk and at least the first information recording layer from the light incident side is of an erasable type...
6322868 Use and manufacturing applications of polymer / dye-based thin layer coatings for enhancement of the quality of recording on and readout from the optical storage media  
Composition and use of polymers in appropriate solvent(s) with or without addition of selected dye combinations are proposed for developing a thin-layer coating on the transparent layer of optical...
6319582 Optical recording medium  
Disclosed is an optical recording layer in which the microaperture for reproducing optical near-field light is controllable so as to read out the optical near-field signals with stability by...
6319580 Recording disk and producing method therefor  
A recording disk comprises a substrate including a plastic material, and an overlay arranged over the substrate and including a recording substance for recording therein an information, and a...
6316071 Substrate for digital versatile disk and process for producing the same  
A digital versatile disk (DVD) excellent in transferability on injection molding, and excellent in releasability from a mold and in strength is provided. The substrate of the digital versatile disk...
6316072 Rotary body  
A rotary body such as an optical disc has a picture pattern formed on a surface perpendicular to a rotating center axis of the disc, said picture being recognizable when irradiated by a light. In...
6312779 Information recording medium and information recording/reproducing apparatus  
An information recording medium which is composed of a substrate and a recording layer formed thereon to record information by means of the change in atomic arrangement induced by irradiation with...
6312780 Optical recording medium  
A phase change optical recording medium which enables optimum direct overwrite even under high speed high density conditions without degrading repetition durability or storage stability of recorded...
6309729 Optical memory device and a method for manufacturing thereof  
An optical memory device and a method for manufacturing thereof. An optical memory device has at least one data layer formed on a substrate. An upper surface of the substrate is formed with a...
6309727 Coating for optical discs  
A protective layer is applied to the surface of a compact disc precursor that must be protected from dust during manufacture. The layer is removable and preferably made of ethylene vinyl acetate.
6309728 Method for producing optical information-recording medium and optical information-recording medium  
Disclosed is a method for producing a heat mode type optical information-recording medium having, on a substrate, a dye recording layer capable of recording information by being irradiated with a...
6306478 Asymmetrical trimethine cyanine dyes for high capacity optical recording medium  
An optical recording layer of an optical recording medium comprises a dye material represented by the formula (I), ##STR1## wherein R 1 is a hydrogen atom, a methyl group, or an ethyl group, ...
6296915 Optical recording medium  
In a phase change optical recording medium, by determining heat conductivity relatively higher in one of interference layers on and under the recording layer, heat absorbed into the recording layer...
6288998 Optical disk and manufacturing method of original optical disk  
An original optical disk which is suitable for mass production and facilitates the densification of the optical disks by improving the transferability and the releaseability of an optical disk...
6287660 Optical recording medium and its substrate  
An optical recording medium having a light absorption layer formed on a substrate having a spiral groove by means of the vacuum deposition and a reflective layer formed on the light absorption...
6280809 Luminous disk  
A luminous disk is disclosed in this invention. The luminous disk comprises a disk lamination and a light emitting lamination. The disk lamination at least comprises a substrate and a metallic...
6280810 Phase-change information recording medium and optical recording method to make higher rotation rates feasible  
An information recording medium includes a substrate, a first protective layer formed on the substrate, a recording layer formed on the first protective layer, and a second protective layer formed...
6277461 Optical recording medium  
There is provided an optical recording medium provided with at least an optical recording layer, further comprising a cured layer provided on/over outer surface of the optical recording layer and a...
6277462 Optical recording medium and method for manufacture thereof  
In an optical recording medium in which at least a heat diffusion layer, a first dielectric layer, an information recording layer and a second dielectric layer are formed in this order on a...
6277460 Optical recording medium  
In the optical recording medium including a substrate having pregrooves, and a metal recording thin film, a buffering layer and a reflecting layer which are stacked in sequence on the substrate,...
6270846 Method for making surfactant-templated, high-porosity thin films  
An evaporation-induced self-assembly method to prepare a surfactant-templated thin film by mixing a silica sol, a surfactant, and a hydrophobic polymer and then evaporating a portion of the solvent...
6268035 Tire block and method of making the same  
A tire block is made of a plurality of elongated tire tread strips arranged end-to-end and wound in a spiral wrap of overlying convolutions. Fasteners secure the tire tread strips together. The...
6265043 Erasable and re-writable disc label system for optical discs  
An erasable and re-writable disc label system includes a release layer and a plastic film disposed over the release layer with one side of the plastic film releasably adhered to the release layer...
6258432 Optical information recording medium and production method thereof  
An optical information recording medium comprising a thin plastic substrate of 0.6 mm or thinner, wherein the substrate is protected against strain without being limited by a film structure and a...
6258433 Optical recording medium  
A half-transmissive film of an optical disk is formed using a Cu oxide instead of Au, while achieving similar reflectivity characteristics to those of Au. Alternatively, the half-transmissive film...
6251492 Optical recording medium  
An optical recording medium comprising, in the following order, a substrate, a reflecting layer, a lower dielectric layer, an optical recording layer, the optical recording layer recording...
6248451 Leather surround for decorative articles  
A leather surround for decorative articles of the type which could be used with key rings or as luggage tags, golf bag tags, and the like includes a pair of leather sheets, one of which includes an...
6245405 Optical molding material  
An optical molding material which is an aromatic polycarbonate resin pellet, wherein the amount of fine powders, produced from 5 kg of the pellets mixed in a vessel for 1 hour and having a particle...
6245404 Optical Disc  
The present invention provides an optical disc capable of effectively reducing a reproduction signal jitter value and obtaining a wider record power margin assuring a reproduction limit jitter...
6245406 Abrasive shaped article, abrasive disc and polishing method  
An abrasive shaped article composed of at least 90% by weight, based on the weight of the abrasive shaped article, of silica and having a bulk density of 0.2 g/cm 3 to 1.5 g/cm 3 , a BET specific...
6245403 Writable and erasable high-density optical storage media  
The invention relates to an optical storage medium comprising a substrate and a storage layer, wherein the storage layer comprises a compound of the formula (I) or (II) ##STR1## in which A and A',...
6242066 Optical recording medium, optical recording and reproducing apparatus using the same and manufacturing method of optical recording medium  
Such an optical recording medium is disclosed that includes at least one layer of an information layer (11) for which at least any of an optical recording or reproducing is performed with an...
6242065 Lens blanks for ophthalmic elements  
A polymeric front optical element blank is provided which may be laminated to a rear optical element blank. The polymeric front blank comprises an optical element having an exterior convex surface...
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...
6238764 Optical information recording disc  
An optical information recording disc of DVD (Digital Video Disc) type having an information recordable layer(s) between a pair of substrates (i.e., sandwich structure) shows an improved mechanical...
6238763 Rewritable optical data storage disk having enhanced flatness  
A rewritable optical recording disk has an increased thickness that is greater than or equal to approximately 1.5 mm. In particular, the disk may have a substrate with a thickness that is greater...
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...
6230071 Depth enhancement of ion sensitized data  
A process of fabricating a durable data storage medium is disclosed, the durable data storage medium capable of storing, digital or alphanumeric characters as well as graphical shapes or...
6228457 Optical data storage medium  
There is disclosed an optical data storage medium in which the weather resistance of the semitransparent reflective film is improved and the adhesive property between the semitransparent reflective...
6228456 Hot-melt adhesive for gluing digital versatile discs  
Hotmelt adhesives with a melt viscosity of >100,000 mPas at 160° C. are suitable for bonding substrate halves in the production of digital versatile discs (DVDs) and afford major...
6224959 Optical disc  
Prepits in a sector header area are arranged on center lines of groove tracks or land tracks, and header signals are played back in a drive by using sum signals of split sensors, thereby providing...
Matches 451 - 500 out of 881 < 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 >