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6645596 Optical disk and ultraviolet-curing composition for optical disk  
An object is to provide a technique of imparting durability which is equal to that of existing types of DVD-5 and DVD-10 as well as DVD-9 using gold or a silicon based compound as a semitransparent...
6645594 Formazan metal complex  
The present invention provides organic compounds which improve the light resistance of organic dye compounds without substantially deteriorating their preferable light properties when applied to...
6646098 Polycarbonate resin molding material for optical use and optical disk substrate  
The present invention relates to a polycarbonate resin molding material for optical use which contains substances (A) having a 5% weight reduction start temperature measured by thermogravimetric...
6645595 Optical medium  
An optical disk contains a recording layer and an adhesive layer between at least two substrates, wherein the adhesive layer contains a cationic polymerizable resin (A), a photo-initiator (B), and...
6644694 Wearable folded map  
A foldable, weather-resistant reference guide for wearing on the arm, torso, or leg. The foldable, weather-resistant reference guide is attached to a soft, flexible keeping member that holds the...
6641889 Optical data storage medium containing a triazacyanine 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...
6641887 Optical recording medium  
Provided is an optical recording medium whose surface is not easily injured, particularly an optical recording medium which is not required to be put into a cartridge. The optical recording medium...
6638594 Rewritable optical information recording medium  
A description is given of a rewritable optical information medium comprises a substrate ( 1 ), a first dielectric layer ( 2 ), a phase-change recording layer on the basis of AgaInbSbcTed or...
6638593 Copy-protected optical media and method of manufacture thereof  
A method for fabricating read-only copy protected optical medium comprising a light-sensitive material at positions capable of altering the data read during copying of the optical medium but...
6632500 Laminated disc and information recording disc  
A laminated disc composed of at least two supporting discs superposed upon another, each of the supporting discs having a thickness of 0.01 to 1 mm and being made of a vinyl alicyclic hydrocarbon...
6632278 Low defect density epitaxial wafer and a process for the preparation thereof  
The present invention relates to an epitaxial wafer comprising single crystal silicon substrate and an epitaxial layer deposited thereon. The substrate comprises an axially symmetric region which...
6633533 Optically detectable information recording medium with limited root mean square roughness R &sgr  
An information recording medium wherein an optically detectable information recording medium is comprised of at least a substrate, a recording layer, and a resin layer. The information recording...
6630219 Optical disk and recording/reproducing device  
In the present invention, in a pre-recorded information recording region on an optical disk capable of recording in both a land and a groove, a first address region is displaced off a second...
6627288 Optical recording medium and porphycene compound  
A recordable optical recording medium of this invention capable of good recording and reproduction with a laser at wavelengths of 300 to 500 nm and/or 500 to 700 nm comprises at least one...
6627287 Optical disc and process for producing optical disc  
In order to provide an adhesive composition which can bond a substrate having a reflecting layer made of a silicon compound to which adhesion of conventional ultraviolet curable compositions is...
6623827 Colored digital versatile disks  
A colored optical disk and method for making the same are disclosed herein. In one embodiment, the optical disk comprises: a first fully reflective data layer, a first separating layer disposed on...
6625107 Magneto-optical recording medium having lubrication on both sides  
A magneto-optical recording medium which is capable of improving the floating stability and the travelling stability of an optical head of a slider type, by forming a lubricating protective layer...
6621787 Optical storage medium having protective layer thicker than wavelength of useable light source  
An optical data storage system writes or reads information with respect to an optical storage medium using an optical pickup including a solid immersion optical system or a solid immersion lens for...
6620479 Optical disk  
An optical disk includes a disk substrate made of synthetic resins and an elastic/non-elastic film for label printing. The disk substrate has a chucking central aperture, and the peripheral portion...
6620478 Circular disk containing microchannel/microcavity structures  
The present invention relates to a circular disk, comprising two material layers that are joined together, wherein said disk contains microfluidic structures formed of a channel and/or cavity...
6605330 Phase-change recording element for write once applications  
A WORM optical recording element comprising a substrate and a phase-change recording layer wherein the phase-change recording layer has a composition expressed by Sb a X b Sn c Zn d Si e O f S h ...
6605329 Thermoplastic molded part, a process for the production thereof and applications thereof  
The invention relates to a thermoplastic moulded part comprising at least a polyolefin or a polycondensation polymer and reinforcing fibers, characterized in that 1 to 60 wt. % of the moulded part...
6602569 Production process for ring shaped resin bonded magnet  
There is provided a process of producing a ring shaped resin bonded magnetic member by molding a feed mixture 24 which contains a lubricant and a magnetic powder composite made of magnetic powder...
6599602 Polycarbonate articles and adhesive composition therefor  
An article is disclosed that includes a) a first polycarbonate substrate; b) a second polycarbonate substrate; and c) an adhesive composition disposed between the first polycarbonate substrate and...
6599605 Squarylium compounds and optical recording media using the same  
An object of the present invention is to provide novel squarylium compounds having the spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a...
6599607 Optical recording medium  
An optical recording medium is designed to generate a read signal free from waveform distortion during reproduction of information. The optical recording medium is formed with information tracks on...
6599604 Optical data recording medium  
An optical data recording medium includes a light transmittable plastic substrate, and a recording layer formed on the plastic substrate and containing an inorganic compound body and metal...
6599603 Silicon wafer  
The present invention provides a CZ silicon wafer, wherein the wafer includes rod-like void defects and/or plate-like void defects inside thereof, and a CZ silicon wafer, wherein the silicon wafer...
6596367 Optical disc  
The invention relates to an optical disc consisting of a synthetic resin substrate provided with readable information in a layer. The moisture-proof layer is arranged between the synthetic resin...
6596365 Optical recording medium and method for producing the same  
An optical recording medium comprises a substrate having one principal surface on which uneven pattern is formed, and adapted so that light is irradiated onto the uneven pattern and...
6596366 Optical recording medium and process for producing an optical recording medium  
An optical disc having excellent recording/retrieving characteristics and capable of improving the surface properties of the reflective layer without reducing the thermal conductivity, the...
6596370 Resin molded article having opening and method for producing the same  
A method for producing a resin-molded article having openings which is free from a weld at a conjunction portion of synthetic resin flows and which exhibits excellent surface appearance and...
6596364 Squarylium compounds and optical recording medium containing the same  
Squarylium compounds having spectroscopic properties, light resistance, solubility and thermal decomposition properties suitable for a recording material for DVD-R represented by the general...
6592958 Optical recording medium and sputtering target for fabricating the recording medium  
An optical recording medium is provided with a recording layer made of a phase-change recording material including Ag, In, Sb, and Te as the main constituent elements, with the respective atomic...
6586068 Ideal oxygen precipitating silicon wafer having an asymmetrical vacancy concentration profile and a process for the preparation thereof  
A process for heat-treating a single crystal silicon wafer to influence the precipitation behavior of oxygen in the wafer in a subsequent thermal processing step. The wafer has a front surface, a...
6587427 Magneto-optical recording medium  
A magneto-optical recording medium in a near-field optical storage system is provided. A flying optical head is suspended over the medium by a cushion of gas. The medium includes a magneto-optical...
6579589 Semiconductor wafer with crystal lattice defects, and process for producing this semiconductor wafer  
A semiconductor wafer has a front side 1, a back side 2, a top layer 3, a bottom layer 4, an upper inner layer 5 lying below the top layer 3, a lower inner layer 6 lying above the...
6576319 Optical information medium and making method  
In the multi-layer information medium having a plurality of information-storing layers according to the present invention, all of the information-storing layers exhibits excellent reading...
6576321 Optical recording information medium  
An optical recording medium comprising a recording and a metal reflective layers on a transparent substrate having a groove, wherein the recording layer comprises an azaporphyrin metal complex dye...
6576318 Method to fabricate smooth-surfaced crystalline phase-change layer for atomic resolution storage device  
A method of forming a crystalline, phase-change layer that remains atomically smooth on its surface. Also, an atomically smooth, crystalline, phase-change layer made according to this method. The...
6576317 Optical disc and injection compression molding die for producing the same  
An optical disc capable of preventing damages on a printing plate and an injection compression molding die capable of producing such optical disc substrate without raising the accuracy of the die...
6576320 Optical information medium and evaluation method  
An optical information medium has a light-transparent substrate and an information recording layer, wherein optical recording and/or reading is performed with a laser beam that enters the...
6572946 Optical disc  
A substrate has a disk-like shape with a thickness of about 1.2 mm, and a diameter of D 1 , and further a central hole of diameter D 2 . A signal recording layer is formed on the substrate, and...
6565940 Floating fountain  
A floating fountain includes a platform having a floating member received inside, an ornamental object securely mounted on the platform and having a channel defined inside, a tube securely...
6565939 Optical information-recording medium and method for recording information  
A heat mode optical information-recording medium comprising a substrate having thereon a recording layer on which information can be recorded by laser irradiation, wherein said recording layer...
6562431 Packaged set of luminous disk with DIY surface and method of its use  
The present invention discloses a packaged set of luminous disks with DIY surface and a method of its use. The invention is designed for providing consumers an alternative to design the surface of...
6562432 Optical recording medium and method of manufacturing the optical recording medium  
The optical recording medium at least a transparent substrate; a reflection layer; and a print layer. The print layer has a multilayer structure in which a plurality of ink layers made from...
6558802 Silicon-on-silicon hybrid wafer assembly  
A hybrid silicon-on-silicon substrate. A thin film ( 2101 ) of single-crystal silicon is bonded to a target wafer ( 46 ). A high-quality bond is formed between the thin film and the target wafer...
6555195 Shaping tool for information carrier disc blanks  
The invention relates to a shaping tool for the injection molding or injection compression of information carrier disc blanks ( 11 ) made of polymethacrylate plastic which is suited as a component...
6555194 Process for producing low defect density, ideal oxygen precipitating silicon  
The present invention is directed to a process for producing a silicon wafer which, during the heat treatment cycles of essentially any arbitrary electronic device manufacturing process, may form...