Matches 401 - 450 out of 881 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >
Match Document Document Title
6449240 System, method and information medium for storing and reading information as a difference in a surface potential or a surface charge density  
An information medium capable of recording the information at a high density in a convenient manner is provided. Also provided is a method capable of readily reproducing the information recorded at...
6447868 Optical molding material, and optical disk substrate and production method thereof  
Provided is an optical molding material comprising a cyclic polyolefin resin having a glass transition temperature (Tg) of 120° C. to 170° C., wherein the melt viscosity of the resin at 260° C....
6447870 Optical storage disk blank and method for manufacturing the disk blank  
Method for manufacturing an optically readable digital storage disk having an arbitrary edge contour from a CD-R disk blank, as well as a CD-R disk blank suitable for the manufacture of a storage...
6447867 Epoxy resin composition and optical information recording medium using the same  
An epoxy resin composition according to the present invention is one initiating cationic polymerization upon irradiation with energy rays. The epoxy resin composition is formed of at least...
6447869 Optical information recording medium and method for producing the same  
An optical information recording medium includes a first substrate; at least a first dielectric layer and a recording layer for signal recording provided on a surface of the first substrate; and a...
6444285 Ultraviolet-curing composition, optical disk, and method of producing optical disk  
To obtain a digital video disc having excellent durability in a high temperature and high humidity environment, an ultraviolet curable composition prepared such that water in which the cured...
6445675 Phase change optical recording medium and process for manufacturing same  
In a phase change optical recording medium in which writing, reading and/or erasing of information is conducted by utilizing change of phase of a recording layer by irradiation with light, the...
6440518 Coating for optical information disks  
A transparent coating is used on an optical information disk. The optical information disk is an injection-molded piece of clear poly-carbonate plastic and is impressed with microscopic bumps which...
6440516 Optical disc  
An optical disc having a light transmitting layer of a reduced uniform thickness. The optical disc has a transparent film bonded via a pressure-sensitive adhesive sheet or a dry photopolymer sheet...
6440517 Glass material  
A glass including SiO 2 , Na 2 O, MgO, Al 2 O 3 and cobalt oxide, wherein the cobalt oxide is 4.5-85 wt % as an oxide of CoO or 4.9-91 wt % as an oxide of Co 3 O 4 .
6436503 Data storage medium containing polyestercarbonate  
This invention relates to data storage media, and more particularly to data storage media having both a data storage layer and an adjacent transparent overlayer wherein the data storage layer is...
6434107 Optical disk compatible with two different reading systems  
An optical disc comprising two elementary discs glued to each other by a transparent glue layer. The first elementary disc comprises an information surface according to DVD standard and the second...
6432502 Optical recording medium and method of manufacturing the same  
An optical recording medium having stable recording and reproducing characteristics even after a long term storage and a method of manufacturing the same are provided. The optical recording medium...
6428872 Preparation of a recording carrier  
Disclosed is a molded disc useful in optical information recording carriers, the disc is comprised of a copolymer of methyl methacrylate and ethyl acrylate, wherein the copolymer is comprised of 97...
6420007 Recording medium and method of manufacturing same  
A recording medium is fabricated by forming a light reflecting layer on a dye recording layer capable of recording information, with a sputtering mechanism. The sputtering mechanism has a target,...
6416836 Thermally annealed, low defect density single crystal silicon  
A single crystal silicon wafer having a central axis, a front side and a back side which are generally perpendicular to the central axis, a central plane between the front and back sides, a...
6410114 Folded sheet materials  
The invention provides a sheet material ( 10 ) having a first set of folds, the sheet material further comprising a rotatable disc ( 8 ) attached thereto.
6410117 Rewritable phase-change optical recording composition and rewritable phase-change optical disk  
The present invention discloses a rewritable phase-change optical disk having a recording material of a five-element alloy, Te—(Ge,Bi,Sb)—X, wherein X is B (boron) or C (carbon); Te (tellurium)...
6410115 Multi-rewritable optical recording medium with surface plasmon super-resolution layer  
A multi-rewritable optical recording medium includes a surface plasmon super-resolution layer. The surface plasmon super-resolution layer is a three-layer structure including a first dielectric...
6406769 Watch crystal including a lens and manufacturing method for such a lens  
The invention concerns a watch crystal ( 1 ) made of hard mineral material, in particular a crystalline material such as corundum, sapphire or spinel, including a non-circular optical lens ( 4 )...
6406772 Optical recording medium and method for making  
A phase change optical recording medium has on a substrate a recording layer consisting essentially of a Sb base thin film and a reactive thin film. The Sb base thin film is formed by depositing a...
6406770 Optical disk and method of manufacturing optical disk  
Ultraviolet rays are irradiated in a space through which a cationic ultraviolet curable composition falling from a nozzle passes before reaching a disc substrate. The cationic ultraviolet curable...
6406771 Optical recording medium and optical recording apparatus  
The object of this invention is to provide a rewritable phase change type optical recording medium and an optical recording apparatus that are good in erasure characteristics and small in jitter...
RE37742 High-density optical disk and method of producing the same  
A high-density optical disk includes reflective layers respectively formed at both information-recorded surfaces of a first substrate, and semitransparent layers respectively formed at one...
6399173 Optical recording medium and method for making the same  
In phase change optical recording media wherein initialization process of the recording layer has been the rate determining and cost-increasing factor in the production of the medium, the...
6395364 Data storage media containing clear polycarbonate terpolymer  
The invention relates to terpolymers particularly suited for use in high density optical data storage media. The terpolymers are suitable for use in DVD recordable and rewritable media. The...
6395363 Sloped substrate support  
A substrate support comprising a shelf having a surface sloped at an angle such that the support contacts the substrate substantially at an edge portion of the substrate. The angle of the shelf is...
6395366 Phase change optical disc  
A phase change optical disc having a substrate and a first dielectric layer formed on the substrate. A recording layer is formed on the first dielectric layer and is convertible into one of an...
6391417 Optical information recording medium  
An optical information recording medium includes a first dielectric protective layer, a recording layer provided on the first dielectric protective layer, including a material represented by a...
6387467 Optical recording medium structure and method of manufacture  
An optical recording medium structure and its method of manufacture. The optical recording medium structure includes, from bottom to top, a transparent substrate, a first dielectric layer, a first...
6387466 Single-crystal silicon wafer  
The high quality silicon wafer of large diameter is invented by mainly paying attention to the particles ascribed to the crystal and the wafer is optimal for manufacturing ultra highly integrated...
6383596 Optical recording medium and process for producing the same  
The invention provides an optical recording medium preventing deterioration of an organic dye, having improved durability and being highly reliable, as well as a process for producing the same. ...
6383595 Information recording medium  
An information recording medium having recording, reproducing, and rewriting characteristics better than those of prior art media. The media has a recording layer made of a material represented by...
6379768 Optical information recording medium  
An optical information recording medium composed of a substrate and a recording layer having a dye compound of the formula (I): R 1 R 2 C═L 1 —L 2 ═L 3 —NR 3 R 4 (I) in which each of R 1...
6379767 Optical recording medium with multiple recording layers and fabricating method thereof  
An optical recording medium with a number of recording layers that is adaptive for enhancing a light efficiency and for improving a responsibility of information and a recording capacity. In the...
6373814 Method of initializing phase-change optical disk to prevent jitter increase due to low level overwriting  
A method of initializing a phase-change optical disk which is capable of preventing enlargement of an amount of jitter which takes place when the number of overwriting operations does not exceed...
6368691 Substrates disk for digital video  
A substrate disk consists of a first and a second substrate connected to one another wherein the first and second substrates have center holes. The first substrate has at least one projection...
6368693 Mouse lap pad  
A flexible sheet, that may be instantly molded to the contour of the leg or lap, having a tacky or adhesive undersurface for adhesion to the lap, and a tacky upper surface to hold a trackball or...
6368692 Optical storage medium  
An optical storage medium that is compatible with a semiconductor laser having a beam with a short wavelength (i.e. between 500 and 700 nm), which includes a highly stable dye layer. The optical...
6365256 Erasable phase change optical recording elements  
A rewriteable phase-change optical recording element includes a substrate; and a recording layer over the substrate having at least two sub-layers of different chemical compositions, the...
6361846 Device for curing an adhesive between two layers of an information carrier  
A device cures an adhesive by means of UV radiation in an inert-gas atmosphere. The adhesive is interposed as an adhesive layer between two superposed layers of a disc-shaped information carrier....
6361845 Information-bearing discs and methods of fabrication  
Information-bearing discs are fabricated from a first disc and a second disc. The first disc has a first substantially planar surface and a second surface opposite to the first surface. The second...
6358589 Organic write-once optical recording medium with surface plasmon super-resolution layer  
An organic write-once optical recording medium includes a surface plasmon super-resolution layer. The surface plasmon super-resolution layer is a three-layer structure including a first dielectric...
6355326 Phase change optical disk  
A phase change optical disk having excellent corrosion resistance, recording signal properties and overwrite cyclability, which contains a first dielectric layer, a recording layer, a second...
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...
6352753 Optical recording medium  
A rewritable phase change type optical recording medium having excellent in storage durability such as archival property and overwrite shelf property and is less likely to have increased jitters,...
6348251 Inorganic write-once optical recording medium with surface plasmon super-resolution layer  
An inorganic write-once optical recording medium includes a surface plasmon super-resolution layer. The surface plasmon super-resolution layer is a three-layer structure including a first...
6348250 Optical recording medium comprising phthalocyanines substituted by bicyclio-alkoxy groups  
An optical recording medium is provided that includes a spirally grooved polymer substrate, a recording layer, a reflecting layer, and a protection layer. The recording layer includes one or a...
6346309 Optical recording medium and process for producing same  
The present invention provides an optical recording medium which is inhibited or prevented from sticking of lubricants onto a light emitting face of a solid immersion lens. The optical recording...
6339582 Optical disk and recording/reproducing method thereof  
An optical disk having a recording layer onto which light is irradiated to perform recording/reproducing of information, comprising a super-resolution film for recording and a reflective film which...
Matches 401 - 450 out of 881 < 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >