Abstract: A component comprising a stacked interleaved film structure that includes a plurality of layers inert to light. Alternating layers are either doped with a reverse saturable absorber (RSA) material or the RSA material is located between the adjacent inert layers. In some embodiments, the inert alternating layers have different refractive indices. A data storage device and methods of manufacture are also disclosed.

Abstract: A coated abrasive article includes a backing having a surface, a plurality of abrasive regions overlying the surface in each of the first and second portions, and at least one macro-channel. The surface of the backing has a shape defined by an outer contour. A bisecting axis divides the shape into first and second portions. Each abrasive region includes a binder and a plurality of abrasive grains in contact with the binder. The abrasive grains have an average grain size of not greater than about 200 microns. The at least one macro-channel defines a passageway extending between a pair of adjacent abrasive regions and terminating at openings at the outer contour within each of the first and second portions. The macro-channel has an average channel width of between about 0.1 millimeters to about 5 millimeters and is substantially free of the binder and the abrasive grains.

Abstract: A substrate capable of achieving a lowered probability of defects produced in a step of forming an epitaxial film or a semiconductor element, a semiconductor device including the substrate, and a method of manufacturing a semiconductor device are provided. A substrate is a substrate having a front surface and a back surface, in which at least a part of the front surface is composed of single crystal silicon carbide, the substrate having an average value of surface roughness Ra at the front surface not greater than 0.5 nm, a standard deviation ? of that surface roughness Ra not greater than 0.2 nm, an average value of surface roughness Ra at the back surface not smaller than 0.3 nm and not greater than 10 nm, standard deviation ? of that surface roughness Ra not greater than 3 nm, and a diameter D of the front surface not smaller than 110 mm.

Abstract: A method is used to produce a bulk SiC single crystal. A seed crystal is arranged in a crystal growth region of a growing crucible. An SiC growth gas phase is produced in the crystal growth region. The bulk SiC single crystal having a central longitudinal mid-axis grows by deposition from the SiC growth gas phase, the deposition taking place on a growth interface of the growing bulk SiC single crystal. The SiC growth gas phase is at least partially fed from an SiC source material and contains at least one dopant from the group of nitrogen, aluminum, vanadium and boron. At least in a central main growth region of the growth interface arranged about the longitudinal mid-axis, a lateral temperature gradient of at most 2 K/cm measured perpendicular to the longitudinal mid-axis is adjusted and maintained in this range. The bulk SiC single crystal has a large facet region.

Abstract: An optical information recording medium includes: a substrate; two or more information signal layers provided on the substrate; and a cover layer provided on the information signal layers. At least one of the two or more information signal layers is provided with an inorganic recording layer including Pd oxide, a first protective layer provided on a first main surface of the inorganic recording layer, and a second protective layer provided on a second main surface of the inorganic recording layer. And at least one of the first protective layer and the second protective layer includes a compound oxide of Si oxide, In oxide and Zr oxide as a main component.

Abstract: A three-dimensional structure comprising a plurality of substantially planar sections and an adhesive layer. The planar sections are oriented in stacked relation with one another. The adhesive layer binds the sections in substantially fixed relation with one another. In exemplary embodiments, the sections may be formed from a single piece or from plural pieces. The three-dimensional structure is formed by positioning the respective sections on a retainer and affixing them in place in relation to one another.

Abstract: An elastic member for use in a substrate holding apparatus includes an elastic member and a first reinforcing member. The first reinforcing member has a higher rigidity than the elastic membrane and reinforces substantially an entire area of the contact portion of the elastic membrane. The contact portion of the elastic member has a contact portion for contact with the substrate. The first peripheral wall portion of the elastic membrane is coupled to a peripheral end of the contact portion and extends upwardly. The second peripheral wall portion of the elastic member defines a first chamber on an outer side thereof and a second chamber on an inner side thereof. The first reinforcing member is embedded in substantially the entire area of the contact portion of the elastic membrane.

Abstract: A silver-based magnesium alloy thin film is provided for the semi-reflective coating layer of optical discs. This alloy has moderate to high reflectivity and reasonable corrosion resistance in the ambient environment.

Abstract: An amount of warp of a wafer is not only reduced, but the amount of warp of the wafer is also accurately controlled to a desired amount. The present invention relates to a method for slicing a semiconductor single crystal ingot, by which a cylindrical semiconductor single crystal ingot is bonded to and held by a holder in a state where the ingot is rotated at a predetermined rotation angle around a crystal axis of the ingot different from a center axis of a cylinder of this ingot and the ingot is sliced by a cutting apparatus in this state. The predetermined rotation angle at the time of bonding and holding the ingot with the use of the holder in such a manner that an amount of warp of a wafer sliced out by the cutting apparatus becomes a predetermined amount.

Abstract: There is provided an optical recording medium including a substrate, an information recording layer that is formed on the substrate and has a single film structure formed by an oxide including W and Ru, and a light transmissive layer that is formed on the information recording layer.

Abstract: The invention relates to a carbon nanoring and a method for preparing the same. The carbon nanoring according to the present invention is composed of monolayered or multilayered coaxial carbon rings, wherein the carbon ring has a structure similar to that of a closed ring system formed by graphite sheet being rolled, and each of an axial dimension and a radial dimension of the carbon nanoring is nanoscale with the axial dimension being smaller than the radial dimension. The invention further provides a method for preparing the above carbon nanoring including calcinating in an inert atmosphere or a reducing atmosphere a layered double hydroxides obtained by intercalating a long-chain alkyl anion and a carbon source molecule, growing a carbon nanoring within a confined region between layers under the catalysis of the metal element in layers, and removing the metal and the metal oxide by dissolving in an acid to obtain the carbon nanoring.

Abstract: The present invention provides a base material for disk rolls which is a platy molded article for obtaining ring-shaped disks for use in a disk roll comprising a rotating shaft and ring-shaped disks fitted thereon by insertion, whereby the peripheral surface of the disks serves as a conveying surface, the base material comprising inorganic fibers having a crystallization temperature of 800-900° C., a filler, and a clay. Also disclosed is a disk roll which comprises disks cut out of the base material.

Abstract: The present invention discloses a sapphire substrate structure for pattern etching and method of forming a pattern sapphire substrate (PSS). The sapphire substrate after pattern etching is suitable to be used as the substrate of a light-emitting device. The sapphire substrate structure comprises a photoresist layer, an underlayer, and a sapphire substrate. The photoresist layer is a uniform layer made of G-line photoresist, I-line photoresist, 248 nm DIN photoresist, or 193 nm Arf photoresist and comprises a flat surface. The underlayer is a uniform layer made of an organic or inorganic compound and comprises a flat surface. The sapphire substrate is formed by epitaxy, while the photoresist layer and the underlayer are formed by coating. After the sapphire substrate structure is formed, it is step by step transformed into a pattern sapphire substrate through an exposure/development process, an etching process, and a cleaning process subsequently.

Abstract: A silicon member for a semiconductor apparatus is provided. The silicon member has an equivalent performance to one fabricated from a single-crystalline silicon even though it is fabricated from a unidirectionally solidified silicon. In addition, it can be applied for producing a relatively large-sized part. The silicon member is fabricated by sawing a columnar crystal silicon ingot obtained by growing a single-crystal from each of seed crystals by placing the seed crystals that are made of a single-crystalline silicon plate on a bottom part of a crucible and unidirectionally solidifying a molten silicon in the crucible.

Abstract: Embodiments of apparatus for physical vapor deposition are provided. In some embodiments, a target assembly for use in a substrate processing system to process a substrate includes a plate having a first side and an opposing second side, wherein the second side comprises a target supporting surface extending from the second side in a direction normal to the second side, wherein the target supporting surface has a first diameter and is bounded by a first edge; and a target having a first side bonded to the target supporting surface, wherein a diameter of the target is greater than the first diameter of the target supporting surface.

Abstract: A process for producing a base material for disks including forming a raw slurry material into a platy shape and drying the plate, the raw slurry material containing inorganic fibers which have a wet volume of about 300 mL/5 g or larger and which are amorphous or have a degree of crystallinity of about 50% or lower.

Abstract: A patch for reworking an inconsistent area in a composite structure includes a composite laminate patch and a layer of adhesive for bonding the laminate patch to the composite structure. The laminate patch has at least first and second regions for releasing strain energy around the inconsistent area respectively at different rates.

Abstract: Disclosed is a silver alloy target for forming a reflective electrode film for an organic EL element, which has a component composition containing 0.1% to 1.5% by mass of In and the remainder composed of Ag and unavoidable impurities. The average grain diameter of the crystal grain of the alloy is 150 to 400 ?m, and the dispersion of the grain diameter of the crystal grain is 20% of the average grain diameter or less.

Abstract: An optical information recording medium includes a recording film, which contains germanium, bismuth, and at least 50 at % tellurium, and has a first recording film component formed in the planar direction and having a bismuth content of at least 15 at %, a second recording film component formed in the planar direction on the side to be irradiated with a light beam and having a bismuth content that is at least 10 at % lower than that of the first recording film component, and an intermediate recording film component provided between the first and second recording film component to moderate the change in the bismuth content in the film thickness direction between the first and second recording film component, and having a bismuth content greater than the bismuth content of the second recording film component and less than the bismuth content of the first recording film component.

Abstract: A sapphire substrate includes a generally planar surface having a crystallographic orientation selected from the group consisting of a-plane, r-plane, m-plane, and c-plane orientations, and having a nTTV of not greater than about 0.037 ?m/cm2, wherein nTTV is total thickness variation normalized for surface area of the generally planar surface, the substrate having a diameter not less than about 9.0 cm.

Abstract: Novel gripping structures based on van der Waals adhesive forces are disclosed. Pads covered with fibers can be activated in pairs by opposite forces, thereby enabling control of the adhesive force in an ON or OFF state. Pads can be used in groups, each comprising a group of opposite pads. The adhesive structures enable anchoring forces that can resist adverse forces from different directions. The adhesive structures can be used to enable the operation of robots on surfaces of space vehicles.

Abstract: A patch for reworking an inconsistent area in a composite structure includes a composite laminate patch adapted to cover the inconsistent area and bonded to the structure by a layer of adhesive. The patch includes a plurality of composite plies having a tapered cross section, and at least first and second regions respectively having differing fracture toughnesses.

Abstract: A disk used for fabricating graphene, a multilayered plate, and a method of manufacturing the same are provided. The disk includes a thermoplastic polymer substrate with a reflection layer disposed on one side of the thermoplastic polymer substrate; and a graphite oxide layer provided on the thermoplastic polymer substrate. The method of manufacturing a disk for fabricating graphene involves: obtaining a thermoplastic polymer substrate with a reflection layer disposed on one side thereof; and applying a graphite oxide layer on the thermoplastic polymer substrate.

Abstract: An optical disk for fabricating graphene, a multilayered plate for fabricating graphene, and a method of manufacturing the optical disk or multilayered plate are provided. The optical disk includes a thermoplastic polymer substrate with a reflection layer for reflecting incident light, and a graphite oxide layer applied on the thermoplastic polymer substrate. The method of manufacturing a disk for fabricating graphene involves: obtaining a thermoplastic polymer substrate with a reflection layer for reflecting incident light; and applying a graphite oxide layer on the thermoplastic polymer substrate.

Abstract: Polyimide resin compositions that contain an aromatic polyimide, graphite, and acicular titanium dioxide are found to exhibit high thermal oxidative stability. Such compositions are especially useful in molded articles that are exposed to high temperatures, such as bushings, bearings, and seal rings that are used in aerospace, transportation, and materials handling applications.

Abstract: The embodiments disclose a method of creating two-sided template from a single recorded master, including fabricating a first template using a single recorded master, wherein the first template has a changed duty cycle and an unchanged servo arc orientation, creating a replicate of the first template, wherein the replicate has a mirrored servo arc orientation and a changed duty cycle and fabricating a second template using the replicate to produce a predetermined mirrored servo arc orientation and a predetermined duty cycle for imprinting on a second side of a patterned stack.

Abstract: This invention relates to DVDs made from polycarbonate and a special UV curable bonder material consisting of A) an urethane acrylate oligomer as binder, which is the reaction product of i) one or more polyisocyanates and ii) one or more hydroxyfunctional lactone ester (meth)acrylates having a number average molecular weight of from 200 g/mol to 2000 g/mol and having the formula: CH2?C(R1)—C(O)—O—R2—[O—C(O)—R3]n—OH wherein, n is an integer from 1 to 5, R1 is hydrogen or methyl, R2 represents an alkylene group or substituted alkylene group having from 2 to 10 carbon atoms and R3 represents a straight or branched chain alkylene group of from 3 to 8 carbon atoms, and which may be substituted with one or more alkyl groups having from 1 to 12 carbon atoms, B) a reactive thinner, comprising of mono functional acrylates and/or (meth)acrylates C) a photo initiator and D) optional additives which offers improved performance at high data transfer rates.

Abstract: A dielectric material layer is deposited on exposed surfaces of a bonded structure that includes a first substrate and a second substrate. The dielectric material layer is formed on an exposed planar surface of a second substrate and the entirety of peripheral sidewalls of the first and second substrates. The dielectric material layer can be formed by chemical vapor deposition, atomic layer deposition, or plasma induced deposition. Further, the dielectric material layer seals the entire periphery of the interface between the first and second substrates. If a planar portion of the dielectric material layer can be removed by planarization to facilitate thinning of the bonded structure, the remaining portion of the dielectric material layer can form a dielectric ring.

Abstract: An apparatus for Round Paper Product and Napkin product is to provide to provide a more practical, attractive, and environmentally sound alternative to standard, square shaped paper towels and napkins featuring a distinct circular shape for easy placement in microwaves.

Abstract: An object of the present invention is to provide a recordable optical recording medium whose characteristics do not deteriorate when recording is conducted in a high-temperature environment. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer, and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) another dye whose decomposition temperature is 240° C. to 360° C.

Abstract: An object of the present invention is to provide a recordable optical recording medium whose characteristics do not deteriorate when recording is conducted in a high-temperature environment. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) ionic organic compound containing a heteroaromatic quaternary ammonium ion.

Abstract: A method is used for producing an SiC volume monocrystal by sublimation growth. Before the beginning of growth, an SiC seed crystal is arranged in a crystal growth region of a growth crucible and powdery SiC source material is introduced into an SiC storage region of the growth crucible. During the growth, by sublimation of the powdery SiC source material and by transport of the sublimated gaseous components into the crystal growth region, an SiC growth gas phase is produced there. The SiC volume monocrystal having a central center longitudinal axis grows by deposition from the SiC growth gas phase on the SiC seed crystal. The SiC seed crystal is heated substantially without bending during a heating phase before the beginning of growth, so that an SiC crystal structure with a substantially homogeneous course of lattice planes is provided in the SiC seed crystal.

Abstract: An optical recording medium including a substrate and two or more recording layers that contain Pd, O, and M (M comprises at least one of Zn, Al, In, and Sn), where O is contained in an amount greater than a stoichiometric composition thereof when M is completely oxidized (into ZnO, Al2O3, In2O3, and SnO2). An nth recording layer of the two or more recording layers, as counted from an opposite side of an incident side of recording light, has a Pd content that is less than that of an (n?1)th recording layer.

Abstract: A stress relief structure is provided. The stress relief structure includes a stress relief body, at least one first stress relief base and at least one second stress relief base. The stress relief body has an upper surface and a lower surface opposite to each other. The first stress relief base is disposed on the upper surface of the stress relief body. The second stress relief base is disposed on the lower surface of the stress relief body. The at least one first stress relief base and the at least one second stress relief base are interlaced to each other.

Abstract: A phosphor wheel comprises a wavelength conversion portion. The wavelength conversion portion comprises a wavelength conversion material optically integrated with at least one convex surface.

Abstract: A method and system of forming large-diameter SiC single crystals suitable for fabricating high crystal quality SiC substrates of 100, 125, 150 and 200 mm in diameter are described. The SiC single crystals are grown by a seeded sublimation technique in the presence of a shallow radial temperature gradient. During SiC sublimation growth, a flux of SiC bearing vapors filtered from carbon particulates is substantially restricted to a central area of the surface of the seed crystal by a separation plate disposed between the seed crystal and a source of the SiC bearing vapors. The separation plate includes a first, substantially vapor-permeable part surrounded by a second, substantially non vapor-permeable part. The grown crystals have a flat or slightly convex growth interface. Large-diameter SiC wafers fabricated from the grown crystals exhibit low lattice curvature and low densities of crystal defects, such as stacking faults, inclusions, micropipes and dislocations.

Abstract: Nanoporous three-dimensional networks of polyurethane particles, e.g., polyurethane aerogels, and methods of preparation are presented herein. Such nanoporous networks may include polyurethane particles made up of linked polyisocyanate and polyol monomers. In some cases, greater than about 95% of the linkages between the polyisocyanate monomers and the polyol monomers are urethane linkages. To prepare such networks, a mixture including polyisocyanate monomers (e.g., diisocyanates, triisocyanates), polyol monomers (diols, triols), and a solvent is provided. The polyisocyanate and polyol monomers may be aliphatic or aromatic. A polyurethane catalyst is added to the mixture causing formation of linkages between the polyisocyanate monomers and the polyol monomers. Phase separation of particles from the reaction medium can be controlled to enable formation of polyurethane networks with desirable nanomorphologies, specific surface area, and mechanical properties.

Abstract: The shape and number of surface defects are controlled so that the occurrence of failure is suppressed in an HDD device in which a magnetic head with a very small flying height, such as a DFH head, is mounted. A magnetic disk substrate is characterized in that when laser light with a wavelength of 405 nm and a laser power of 25 mW is irradiated with a spot size of 5 ?m and scattered light from the substrate is detected, the number of defects detected to have a size of 0.1 ?m to not more than 0.3 ?m is less than 50 per 24 cm2 and, with respect to the defects, there is no defect in which, in a bearing curve obtained by a bearing curve plot method using an atomic force microscope, a portion from an apex of the defect to 45% thereof is located in an area of defect height higher than a virtual line connecting from the apex of the defect to 45% thereof.

Abstract: A data disc, method and apparatus for forming the disc are disclosed. The data disc includes a first substrate structure bonded to a second substrate structure, with two curable material layers disposed on different sides of at least one of the two substrate structures, and at least one groove formed on a surface of one of the two curable material layers.

Abstract: Imaging layers, optical disks, and methods of preparation of each, are disclosed.

Abstract: Provided herein is a resin-metal complex and a manufacturing method thereof, the resin-metal complex being a synthetic resin comprising an olefin resin, filler, and coupling agent combined with a metallic material, the filler being at least one of an organic filler and inorganic filler, the inorganic filler being wood flour, wood pellet, wood fiber, or paper powder, and the inorganic filler being talc, calcium carbonate, wollastonite, or kaolinite.

Abstract: The present invention is directed to a method for producing a data storage medium on a surface of a substrate for storing data in the form of topographic features. The method comprises a first step wherein a crosslinking agent containing at least three alkyne groups is deposited on the surface of the substrate. In a second step the deposited cross linking agent is cured so as to obtain the data storage medium in the form of a crosslinked polymeric layer on the surface of the substrate. The invention is further directed to a data storage medium obtained by this method and a data storage device comprising this data storage medium.

Abstract: An object of the present invention is to provide a recordable recording medium that suppresses increase in terminal noise and does not generate a BCA signal read error. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) another dye whose DSC decomposition heat value is 50 cal/g to 200 cal/g and ?max in TFP solution is 250 to 400 nm.

Abstract: The invention discloses a blank for producing dental shaped parts which consists entirely of porous glass without crystalline portions. The density of the blank is between 50% and 95% of its theoretical density. It has a discoidal shape with a diameter of at least 20 mm. The blank is produced by a process in which glass powder is first pressed at a pressure of between 10 MPa and 300 MPa and this green body is (pre-)sintered at a temperature of between 580° C. and 750° C. to form a blank of porous glass without crystalline portions. From the obtained blank, monolithic dental shaped parts can be obtained by mechanical processing followed by sintering, wherein a process according to the invention for stabilizing the shape of the shaped parts is used.

Abstract: This invention relates to an optical recording medium in which at least a recording layer and a light transmitting layer are sequentially formed on a substrate and in which the light is illuminated from the light transmitting layer side for recording and/or reproducing information signals, said substrate comprising an injection molded part, and said substrate having a Young's modulus E of at least 2.15 GPa and a Q factor of lower than 160 measured at 25° C. at 2000 Hz in accordance to ASTM E 756-05 05 and a transcriptability of the pit/groove structure of >85%.

Abstract: An optical recording medium includes: a substrate; an information recording layer formed on the substrate for recording and reproducing an information signal by irradiation with light; and a light transmission layer formed on the information recording layer and transmitting the light, the storage elastic modulus of the light transmission layer at ?5° C. being within a range of 1500 MPa or less.

Abstract: A near-field optical disk having surface plasmon amplification by stimulated emission of radiation (SPASER) is provided. The near-field optical disk having SPASER includes a transparent substrate, a first transparent dielectric thin film layer formed on the transparent substrate, a SPASER thin film layer formed on the first transparent dielectric thin film layer, a second transparent dielectric thin film layer formed on the SPASER thin film layer, a recording thin film layer formed on the second transparent dielectric thin film layer, and a third transparent dielectric thin film layer formed on the recording thin film layer.

Abstract: Individual layers of a high gradient insulator (HGI) are first pre-cut to their final dimensions. The pre-cut layers are then stacked to form an assembly that is subsequently pressed into an HGI unit with the desired dimension. The individual layers are stacked, and alignment is maintained, using a sacrificial alignment tube that is removed after the stack is hot pressed. The HGI's are used as high voltage vacuum insulators in energy storage and transmission structures or devices, e.g. in particle accelerators and pulsed power systems.

Abstract: The polishing pad is useful for polishing at least one of magnetic, optical and semiconductor substrates. The polishing pad includes a polishing layer having a polyurethane window. The polyurethane window has a cross-linked structure formed with an aliphatic or cycloaliphatic isocyanate and a polyol in a prepolymer mixture. The prepolymer mixture is reacted with a chain extender having OH or NH2 groups and having an OH or NH2 to unreacted NCO stoichiometry less than 95%. The polyurethane window has a time dependent strain less than or equal to 0.02% when measured with a constant axial tensile load of 1 kPa at a constant temperature of 60° C. at 140 minutes, a Shore D hardness of 45 to 90 and an optical double pass transmission of at least 15% at a wavelength of 400 nm for a sample thickness of 1.3 mm.

Abstract: A pressure-sensitive adhesive sheet 1 for an optical data recording medium D1 from which a signal with a mark length shorter than the resolution limit of an optical system of a reproducing device is capable of being reproduced by reproduction light emitted during reproducing, the pressure-sensitive adhesive sheet 1 having an adhesive transparent resin layer 11 to be disposed on an data recording layer 3 of the optical data recording medium D1, the transparent resin layer 11 having a (meth)acrylate copolymer containing no acidic group as a main component, the transparent resin layer 11 having a storage elastic modulus at 23° C. of 1.5×105 Pa or less and a gel fraction of 68 wt % or more.