Abstract: A component for a rotary machine which is configured such that a hard film composed of ceramics and an anti-fouling film composed of a fluorine-containing diamond-like carbon film are laminated on the surface of a base material, and which has superior drain erosion resistance and fouling resistance in an environment where a gas comes in direct contact therewith.

Abstract: A method of forming a PDC cutter having solvent metal catalyst located adjacent the diamond and/or in the diamond and a layer of reactive material on the layer of diamond, the layer of reactive material for promoting the flow of the solvent metal catalyst material from the layer of diamond under high pressure and high temperature. Compacts for producing polycrystalline diamond compacts, and related polycrystalline diamond compacts are also disclosed.

Abstract: A graphite film having excellent thermal conductivity, surface hardness, surface adhesion and appearance can be obtained. Further, a thick graphite film in which each of such properties is excellent can be obtained. There is provided a process for producing a graphite film in which a polymer film is thermally treated at a temperature of 2,000° C. or more, the process comprising the step of bringing a polymer film into contact with a substance containing a metal during graphitization treatment. When a polymer film having a high plane orientation is used as a raw material and the raw material is brought into contact with a metal to thermally treat the material, a problem of separation of graphite from the surface can be solved which has not been solved by the prior art, and furthermore a graphite can be obtained having excellent thermal conductivity, surface hardness, density and surface adhesion.

Abstract: The present invention is directed to a process for the preparation of an aqueous dispersion of coacervates having a core-shell structure, the core (a) being an inorganic particle being anionic or cationic and the shell (b) being a copolymer wherein said copolymer comprises at least two parts, A and B, part A being cationic if particle (a) is anionic, and anionic if particle (a) is cationic, and part B being neutral in pH conditions of said dispersion. More particularly, the invention is directed to treating compositions comprising that aqueous dispersion of coacervates delivering antifouling, water sheeting, antisoiling, anti-adhesion, adhesion, anti-deposition, and/or anti-UV properties onto all kinds of surfaces.

Abstract: Electrodes and methods for making electrodes including modified carbon nanotube sheets are provided. The carbon nanotube sheets can be modified with metal particles or at least one mediator titrant. The electrodes can be disposed on a glassy carbon electrode to modify the glassy carbon electrode. Methods are provided that include forming a suspension of carbon nanotubes and metal particles or at least one mediator titrant, and filtering the suspension to form a modified carbon nanotube sheet.

Abstract: The present invention describes a method for the preparation of graphene or graphenic material films by the carbonization of biopolymers. The method comprises the following stages: preparation of an aqueous solution of a non-crystallizable water-soluble biopolymer or a derivative of said biopolymer at the suitable pH, coating of the substrate with the aqueous solution of the biopolymer prepared in the previous stage by immersion of the substrate in said solution or by using the spin coating technique, conditioning of the aqueous solution of the biopolymer by means of a hydrothermal process consisting of subjecting the coated surface to a flow of nitrogen saturated with water vapor at the temperature of between 100 and 250° C. for a time between 30 minutes and several hours, thermal decomposition of the biopolymer deposited on the substrate in the absence of oxygen at temperatures below 1200° C.

Abstract: Disclosed is a back sheet for a solar cell module for photovoltaic power generation, including a first resin layer attached to EVA under a solar cell, a heat conductive layer formed on the lower surface of the first resin layer, a lower layer formed on the lower surface of the heat conductive layer, and an adhesive layer formed between the first resin layer and the heat conductive layer, wherein the lower layer is a heat conductive coating layer using an inorganic coating or organic-inorganic hybrid coating, or a second resin layer.

Abstract: A target for sputtering or a tablet for ion plating, which enables to attain high rate film-formation and a nodule-less, an oxide sintered body suitable for obtaining the same and a production method therefor, and a transparent conductive film having low absorption of blue light and low specific resistance, obtained by using the same. It is provided by an oxide sintered body having indium and gallium as an oxide, characterized in that an In2O3 phase with a bixbyite-type structure forms a major crystal phase, and a GaInO3 phase of a ?-Ga2O3-type structure, or GaInO3 phase and a (Ga,In)2O3 phase is finely dispersed therein, as a crystal grain having an average particle diameter of equal to or smaller than 5 ?m, and a content of gallium is equal to or higher than 10% by atom and below 35% by atom as atom number ratio of Ga/(In+Ga) or the like.

Abstract: In the bundle of long thin carbon structures of the present invention, end parts of the bundle are interconnected in a carbon network. The interconnected end parts form a flat surface. By this, an electrical connection structure with low resistance and/or a thermal connection structure with high thermal conductivity are obtained. The bundle of long thin carbon structures can be used suitably as a via, heat removal bump or other electronic element.

Abstract: A single crystal diamond prepared by CVD and having one or more electronic characteristics; making the diamond suitable for electronic applications. Also provided is a method of making the single crystal CVD diamond.

Abstract: A method for surface treating a carbon-containing material in which carbon-containing material is reacted with decomposing ozone in a reactor (e.g., a hollow tube reactor), wherein a concentration of ozone is maintained throughout the reactor by appropriate selection of at least processing temperature, gas stream flow rate, reactor dimensions, ozone concentration entering the reactor, and position of one or more ozone inlets (ports) in the reactor, wherein the method produces a surface-oxidized carbon or carbon-containing material, preferably having a surface atomic oxygen content of at least 15%. The resulting surface-oxidized carbon material and solid composites made therefrom are also described.

Abstract: The present invention provides electrodes comprised of metal-coated vertically aligned carbon nanofibers. Arrays of vertically aligned carbon nanofibers provide highly accessible, high density templates having large electrochemically active surface areas that may be modified to further increase the surface area of the nanofibers. The methods of the present invention involve functionalizing the surface of the nanofibers and coating the functionalized surface with metal using electroless deposition. The resulting metal-coated nanofibers form highly stable and highly reproducible electrodes having very high surface areas. The electrodes of the present invention are expected to be useful in a variety of applications, including high-density energy storage, i.e., supercapacitors and fuel cells.

Abstract: A graphene sheet including an intercalation compound and 2 to about 300 unit graphene layers, wherein each of the unit graphene layers includes a polycyclic aromatic molecule in which a plurality of carbon atoms in the polycyclic aromatic molecule are covalently bonded to each other; and wherein the intercalation compound is interposed between the unit graphene layers.

Abstract: An oxide sintered body having zinc oxide as a main component and containing magnesium, and a transparent conductive substrate are provided, and an oxide sintered body having zinc oxide and magnesium, wherein content of magnesium is from 0.02 to 0.30 as atom number ratio of Mg/(Zn+Mg); an oxide sintered body having zinc oxide, magnesium, gallium and/or aluminum, wherein content of gallium and/or aluminum is over 0 and equal to or lower than 0.09 as atom number ratio of (Ga+Al)/(Zn+Ga+Al), and content of magnesium is from 0.02 to 0.30 as atom number ratio of Mg/(Zn+Ga+Al+Mg); a target obtained by processing these oxide sintered bodies; and a transparent conductive film formed on a substrate by a sputtering method or an ion plating method, by using this target.

Abstract: The invention relates to a method of growing carbon nanotubes (5) on a substrate (1) using a hot-wire-assisted chemical vapor deposition method. The inventive method consists in first depositing a bilayer of titanium (12) and cobalt (13) on the substrate such that: the thickness of the titanium layer is between 0.5 and 5 nm, the thickness of the cobalt layer is between 0.25 and 10 nm, and the thickness of the cobalt layer is between half and double that of the titanium layer.

Abstract: Articles with graphene are selectively transparent to electromagnetic radiation. The articles transmit electromagnetic radiation in the infrared and visible light bands while inhibiting incident radio frequency radiation. The articles have high electrical conductivity and may be used in windows and domes.

Abstract: A carbon article having a first zone and a second zone wherein in the first zone formed from a first mix design and the second zone formed from a second mix design and the first and second mix designs have at least one difference selected from the group of differences of a presence of a certain material, a concentration of a certain material, the size of the a certain material and combinations thereof.

Abstract: A carbon nanotube micro-wave absorbing film is provided. The carbon nanotube micro-wave absorbing film includes a carbon nanotube film structure and a PVDF. The carbon nanotube film structure is a free-standing structure and includes a number of interspaces defined in the carbon nanotube film structure. At least a portion of the PVDF is located in the interspaces.

Abstract: Cutting elements comprise a substrate and an unleached polycrystalline table attached on an end of the substrate. The polycrystalline table comprises a plurality of continuously inter-bonded grains of a superhard material and a quantity of catalyst material disposed in interstitial spaces between grains of the plurality of continuously inter-bonded grains of a superhard material. A mean grain size of the plurality of continuously inter-bonded grains is at least substantially uniform throughout the polycrystalline table and the quantity of catalyst material varies across the polycrystalline table in a direction parallel to a central axis of the polycrystalline table.

Abstract: A heat transfer film includes a heat transfer layer formed of a first constituent material containing C (carbon) for transferring heat in an in-plane direction thereof and a layer thickness direction thereof; and a strain relaxation layer formed of a second constituent material and laminated on the heat transfer layer for relaxing a strain in the heat transfer layer. The first constituent material includes a graphite, and the second constituent material includes an amorphous material.

Abstract: A diamond element (10) having a convex surface is disclosed, the convex surface including a spherical segment for which the maximum peak to valley deviation from a perfect spherical surface is less than about 5 ?m. The diamond element (10) may be a solid polycrystalline diamond material and/or may comprise base material which is coated with diamond. Alternatively or in addition, the RMS deviation from a perfect spherical surface may be less than about 500 nm, or the RMS roughness less than about 30 nm. A diamond element (10) with a radius of curvature less than about 20 mm is also disclosed. In one aspect a diamond element (10) having a conical half-angle greater than about 10° is described. Diamond elements (10) of this type are intended for use as metrology tips.

Abstract: A method for chemical modification of graphene includes dry etching graphene to provide an etched graphene; and introducing a functional group at an edge of the etched graphene. Also disclosed is graphene, including an etched edge portion, the etched portion including a functional group.

Abstract: A wear resistant multilayer nitride hard coating for substrates. The hard coating includes a first layer of titanium aluminum nitride and a second layer comprising a plurality of sublayer groups. Each sublayer group includes a first sublayer of titanium silicon nitride and a second sublayer of titanium aluminum nitride. The composition of the titanium aluminum nitride, both in the first layer and in the sublayer groups, is (TixAl1-x)N, wherein 0.4?x?0.6. The composition of the titanium silicon nitride sublayers is (TiySi1-y)N, wherein 0.85?y?0.98, and all of the silicon is in solid solution in the titanium silicon nitride such that no silicon phase or silicon nitride phase exists in this sublayer. The combined amount of aluminum and silicon present in the sublayer groups being narrowly controlled such that the sum of x and y is in the range of 1.38 to 1.46.

Abstract: In an embodiment, a method of characterizing a polycrystalline diamond element is disclosed. The method includes providing the polycrystalline diamond element, and measuring at least one magnetic characteristic of the polycrystalline diamond element.

Abstract: The present invention relates to a method for producing diamond layers, wherein firstly, in a first growing step, diamond is grown on a growing surface of a off axis or a off-axis heterosubstrate in such a way that a texture width, in particular a polar and/or azimuthal texture width, of a diamond layer produced during the growth decreases with increasing distance from the substrate and then, in a second growing step, diamond is grown in such a way that the texture width of the diamond layer remains substantially constant as the distance from the substrate further increases, and lattice planes of the substrate being inclined by an angle greater than zero with respect to the growing surface.

Abstract: A product made by the method comprising forming a porous body of a first material, forming a plurality of recesses in a surface of such body, inserting wicks into such recesses and infusing a molten second material into the interior of the first material by injecting the second material into and through such wicks.

Abstract: A protecting coating for a copper substrate is disclosed. The coating comprises seed layer comprising titanium ions that forms an “alloy-like” structure with the copper substrate. The coating further comprises a first layer of carbon disposed on the seed layer comprising titanium ions. A second layer comprising titanium is disposed on the first layer of carbon, and a second layer of carbon is disposed on the second layer comprising titanium.

Abstract: Polymeric article reinforced with a reinforcing component. The reinforcing component includes a composition made from at least one polymer and graphene sheets.

Abstract: A method and chemical composition and material structure for improving fretting wear in substrates, particularly carbon-carbon composite (CCC). The invention relates to trilayer coatings, comprising a base of hard ZrO2, a middle layer of Al2O3, and atop layer of lubricious ZnO. The coatings of the present invention exhibit conformality and pore-filling down to approximately 100 microns into a carbon-carbon composite to which they are applied. The methods for preparing the coatings include a chemical vapor infiltration route, such as an atomic layer deposition (ALD) process, to uniformly and conformally coat the porous and open structure of CCC with a solid lubricant trilayer of ZnO/Al2O3/ZrO2 that results in significant improvement (65%) in fretting wear.

Abstract: A technique allows diamonds, whether synthetic or naturally occurring, and regardless of shape, to resist high temperatures in an oxidizing environment. This is accomplished by coating the diamond with silicon carbide (SiC). The resulting product may be referred to as SiC-stabilized diamond. A further benefit with respect to diamond jewelry is that by applying SiC to the diamond jewel, a unique pattern is made by small variations in the film thickness. These variations appear under UV and X-ray examination, and along with a unique and invariant weight, provide a unique signature to the jewel.

Abstract: THE PRESENT INVENTION PROVIDES A METHOD FOR PREPARING GRAPHENE BY PROVIDING A REACTION GAS INCLUDING A CARBON SOURCE AND HEAT ONTO A SUBSTRATE, AND REACTING THE SAME TO FORM A GRAPHENE ON THE SUBSTRATE, A GRAPHENE SHEET FORMED BY THE METHOD, AND A DEVICE USING THE SAME.

Abstract: A nanotube-graphene hybrid film and method for forming a cleaned nanotube-graphene hybrid film. The method includes depositing nanotube film over a substrate to produce a layer of nanotube film, removing impurities from a surface of the layer of nanotube film not contacting the substrate to produce a cleaned layer of nanotube film, depositing a layer of graphene over the cleaned layer of nanotube film to produce a nanotube-graphene hybrid film, and removing impurities from a surface of the nanotube-graphene hybrid film to produce a cleaned nanotube-graphene hybrid film, wherein the hybrid film has improved electrical performance. Another method includes depositing nanotube film over a metal foil to produce a layer of nanotube film, placing the metal foil with as-deposited nanotube film in a chemical vapor deposition furnace to grow graphene on the nanotube film to form a nanotube-graphene hybrid film, and transferring the nanotube-graphene hybrid film over a substrate.

Abstract: In one example, a method includes defibrillating at least one carbon fiber to form a plurality of carbon fiber filaments, melting pitch to form molten pitch, and mixing the plurality of carbon fiber filaments and the molten pitch to form a substantially homogeneous mixture of carbon fiber filaments. In another example, a method includes mixing a plurality of carbon fiber filaments having a length between about 6.35 millimeters and about 50.8 millimeters in molten pitch to form a substantially homogeneous mixture of carbon fiber filaments within the molten pitch, wherein mixing the plurality of carbon fiber filaments does not substantially change an average length of the plurality of carbon fiber filaments.

Abstract: An object of the present invention is to provide a graphite film, and a graphite composite film both having an excellent thermal diffusivity which can sufficiently manage heat dissipation of electronic instruments, precision instruments and the like, along with an excellent flex resistance which can withstand application to bent portions. Means for Resolution of the present invention is a graphite film exhibiting the number of reciprocal foldings being 10,000 times or more as measured using a rectangular strip test piece having a width of 15 mm until the test piece breaks in a MIT folding endurance test under conditions of: a curvature radius R of the bending clamp being 2 mm; a left-and-right bending angle being 135°; a bending rate being 90 times/min; and a load being 0.98 N.

Abstract: In an embodiment, a polycrystalline diamond compact (“PDC”) comprises a cemented carbide substrate including a first cemented carbide portion and a second cemented carbide portion bonded to the first cemented carbide portion and exhibiting an erosion resistance that is greater than the first cemented carbide portion. The PDC further comprises a polycrystalline diamond (“PCD”) table bonded to the first cemented carbide portion. The PCD table includes a plurality of bonded diamond grains exhibiting diamond-to-diamond bonding therebetween, with the plurality of bonded diamond grains defining a plurality of interstitial regions.

Abstract: A reinforced carbon foam material is formed from carbon fibers incorporated within a carbon foam's structure. First, carbon fiber bundles are combined with a liquid resol resin. The carbon fiber bundles separate into individual carbon fiber filaments and disperse throughout the liquid resol resin. Second, the carbon fiber resin mixture is foamed thus fixing the carbon fibers in a permanent spatial arrangement within the phenolic foam. The foam is then carbonized to create a carbon fiber reinforced foam with improved graphitic characteristics as well as increased strength. Optionally, various additives can be introduced simultaneously with the addition of the carbon fiber bundles into the liquid resol, which can improve the graphitic nature of the final carbon foam material and/or increase the foam's resistance to oxidation.

Abstract: The invention is directed toward a method and apparatus which can be used to allow the sputter deposition of material onto at least one article to form a coating on the same. The new form of magnetron described herein allows an increase in sputter deposition rates to be achieved at higher powers and without causing damage to the coating being created. This can be achieved by improved cooling and use of a relatively high magnetic field in the magnetron while at the same time increasing the power to the magnetron by increasing the current at a rate faster than the voltage.

Abstract: A method for producing a component and to a component as such made of a ceramic material having a predefined shape. The method includes providing a plurality of sheets made of carbon material), providing an adhesive containing a carbonizable component and joining the plurality of sheets to each other by the adhesive to form a sheet arrangement. The spatial dimensions of which are such that the predefined shape of the component can be generated from the arrangement by material removal. The sheet arrangement is worked by removing carbon material from the sheet arrangement to obtain a preform which is made of carbon material and has the predefined shape of the component to be produced. The perform is siliconized to obtain the component made of ceramic material.

Abstract: A scratch resistant coated article is provided which is also resistant to attacks by at least some fluoride-based etchant(s) for at least a period of time. In certain example embodiments, an anti-etch layer(s) is provided on a glass substrate in order to protect the glass substrate from attacks by fluoride-based etchant(s). In certain example embodiments, the anti-etch layer(s) is substantially transparent to visible light. In certain embodiments, a DLC layer(s) may be provided over the anti-etch layer. An underlayer may be provided under the anti-etch layer(s) in certain example embodiments. In certain example embodiments, the anti-etch layer(s) may be of or include a carbide and/or oxycarbide of Zr, Sn or the like.

Abstract: A WC—Co material or polycrystalline diamond-Co material that has a gradient in the grain size of the particles. Specifically, the material may have a top layer that has coarse grains that is designed to dissipate the heat caused by friction (and thus prevent thermal cracking). The material will then have a bulk substrate that is made up of finer grains and provide adequate hardness for the material. The top layer is positioned on top of the bulk substrate.

Abstract: There are provided a composite including a metal component supported on graphene, a preparing method of the same, and uses of the same. The composite may be used for removing a contaminant.

Abstract: In accordance with an embodiment of the invention, there is provided a coated graphite article. The article comprises graphite; and a conductive coating overlaying at least a portion of the graphite. The conductive coating comprises a through-thickness resistance of less than about 50 ohms as measured through the thickness of the graphite and the conductive coating. In accordance with another embodiment of the invention, there is provided a method for manufacturing a graphite article comprising a conductive coating. The method comprises treating graphite of the article with a reactive ion etch process; and after treating the graphite with the reactive ion etch process, applying the conductive coating over at least a portion of the graphite. In a further embodiment according to the invention, there is provided a method for refurbishing a graphite article comprising graphite and an overlaying conductive coating.

Abstract: In one aspect, the present invention relates to a layered structure usable in a strain sensor. In one embodiment, the layered structure has a substrate with a first surface and an opposite, second surface defining a body portion therebetween; and a film of carbon nanotubes deposited on the first surface of the substrate, wherein the film of carbon nanotubes is conductive and characterized with an electrical resistance. In one embodiment, the carbon nanotubes are aligned in a preferential direction. In one embodiment, the carbon nanotubes are formed in a yarn such that any mechanical stress increases their electrical response. In one embodiment, the carbon nanotubes are incorporated into a polymeric scaffold that is attached to the surface of the substrate. In one embodiment, the surfaces of the carbon nanotubes are functionalized such that its electrical conductivity is increased.

Abstract: Embodiments of the invention include articles comprising a diamond like carbon coating or doped diamond like carbon coating on one or more surfaces of a plastic substrate or a plastic enclosure. Embodiments of the DLC or doped DLC coatings reduce the gas permeation of the coated plastic or thermoplastic to hydrogen or helium compared to the permeability of the plastic alone. The DLC or doped DLC coatings coating provides a surface resistivity of from about 107 to about 1014 ohm/square and have a transmittance that range from about 0% to about 70% less than the transmittance of the underlying plastic substrate in the range of about 300 nm to about 1100 nm. The DLC coated plastic can be used in environmental enclosures for protecting environmentally sensitive substrates such as semiconductor wafers and reticles.

Abstract: A composite substrate comprising a graphitic layer and a semiconductor layer for a photovoltaic device is disclosed.

Abstract: The invention described herein is directed towards spin-on carbon materials comprising polyamic acid compositions and a crosslinker in a solvent system. The materials are useful in trilayer photolithography processes. Films made with the inventive compositions are not soluble in solvents commonly used in lithographic materials, such as, but not limited to PGME, PGMEA, and cyclohexanone. However, the films can be dissolved in developers commonly used in photolithography. In one embodiment, the films can be heated at high temperatures to improve the thermal stability for high temperature processing. Regardless of the embodiment, the material can be applied to a flat/planar or patterned surface. Advantageously, the material exhibits a wiggling resistance during pattern transfer to silicon substrate using fluorocarbon etch.

Abstract: A membrane electrode assembly (MEA) for a fuel cell comprising a catalyst layer and a method of making the same. The catalyst layer can include a plurality of catalyst nanoparticles, e.g., platinum, disposed on buckypaper. The catalyst layer can have 1% or less binder prior to attachment to the membrane electrode assembly. The catalyst layer can include (a) single-wall nanotubes, small diameter multi-wall nanotubes, or both, and (b) large diameter multi-wall nanotubes, carbon nanofibers, or both. The ratio of (a) to (b) can range from 1:2 to 1:20. The catalyst layer can produce a surface area utilization efficiency of at least 60% and the platinum utilization efficiency can be 0.50 gPt/kW or less.

Abstract: A method for fixation, onto a layer comprising an amorphous carbon film and provided on a base material, of a layer comprising a material condensation-reacting with hydroxyl groups on a surface of the amorphous carbon film, whereby, in the layer comprising an amorphous carbon film and provided on the base material, the amorphous carbon film can have a holding power which is strong enough to fix the layer comprising a material condensation-reacting with a hydroxyl group on the surface of the amorphous carbon film and can have uniformity of the holding power. Si and O are added into the layer comprising an amorphous carbon film to thereby improve adhesion durability and binding uniformity of the layer comprising a material condensation-reacting with a hydroxyl group.

Abstract: An alloy to be surface-coated, which can keep excellent hardness of 58HRC or above even when the amount of an alloying element added is reduced or even when the alloy is heated to a temperature of as high as 400 to 500° C.; and sliding members produced by forming a hard film on the surface of the alloy. An alloy to be surface-coated, the surface of which is to be covered with a hard film, which alloy contains by mass C: 0.5 to 1.2%, Si: 2.0% or below, Mn: 1.0% or below, Cr: 5.0 to 14.0%, Mo+1/2 W: 0.5 to 5.0%, and N: more than 0.015 to 0.1% with the balance being Fe and impurities, preferably such an alloy which contains by mass C: 0.6 to 0.85%, Si: 0.1 to 1.5%, Mn: 0.2 to 0.8%, Cr: 7.0 to 11.0%, Mo+1/2 W: 1.0 to 4.0%, and N: 0.04 to 0.08%.

Abstract: An article and method of forming the article is disclosed. The article includes a heat source, a heat-sink, and a thermal interface element having a plurality of freestanding nanosprings, a top layer, and a bottom layer. The nanosprings, top layer, and the bottom layers of the article include at least one inorganic material. The article can be prepared using a number of methods including the methods such as GLAD and electrochemical deposition.