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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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