Class / Patent application number | Description | Number of patent applications / Date published |
264430000 | Producing or treating inorganic material, not as pigments, conductive enhancers, or fillers (e.g., ceramic, refractory material, etc.) | 38 |
20080258347 | Method of enhancing moisture management and providing negative ion properties to fabric materials - The present invention relates to a method of enhancing the negative ion properties of a material and enhance its moisture management properties if necessary. The method of the present invention teaches the determination of the moisture properties of a material, development of a negative ion agent, and the application of that agent to the material, such steps leading to a material possessing negative ion properties and good moisture management. | 10-23-2008 |
20090194912 | MOLDING COMPOSITION AND METHOD USING SAME TO FORM DISPLACEMENTS FOR USE IN A METAL CASTING PROCESS - A method to form a displacement for use in a metal casting process, wherein the method provides a plurality of ceramic particles and a plurality of resin particles. The method grinds the plurality of ceramic particles until those ceramic particles comprise diameters less than 150 microns, and grinds the plurality of resin particles until those resin particles comprise diameters less than 100 microns, and forms a powder blend comprising the plurality of ground ceramic particles and the plurality of ground resin particles. The method then disposes the powder blend into a mold comprising a cavity defining the desired displacement. The method further densifies the blend, and cures the resin to form the displacement. | 08-06-2009 |
20100038826 | SHEET THICKNESS CONTROL - A method and apparatus for forming a sheet are disclosed. A melt is cooled and a sheet is formed on the melt. This sheet has a first thickness. The sheet is then thinned from the first thickness to a second thickness using, for example, a heater or the melt. The cooling may be configured to allow solutes to be trapped in a region of the sheet and this particular sheet may be thinned and the solutes removed. The melt may be, for example, silicon, silicon and germanium, gallium, or gallium nitride. | 02-18-2010 |
20100314804 | METHOD FOR THE PRODUCTION OF SEMICONDUCTOR RIBBONS FROM A GASEOUS FEEDSTOCK - The present invention provides a method for the production of semiconductor ribbons using exclusively a gaseous feedstock. A fine powder of semiconductor material is produced by decomposition, within the gas phase, of a gaseous feedstock. A layer of this semiconductor powder is uniformly distributed, compressed and flattened over a planar substrate, which is continuously moving in one direction. This said layer of semiconductor powder is, in the following stage, heated to a temperature sufficient to decompose the said gaseous feedstock on its surface. A continuous flow of the said gaseous feedstock over said powder layer is ensured so that a solid plate of semiconductor material grows over the said layer of semiconductor powder. After the growth stage, during which the solid plate has grown to a convenient thickness, the said solid plate of semiconductor material is separated from the said layer of semiconductor powder and substrate. This self supporting plate is then heated to a high temperature in an atmosphere containing gaseous feedstock to complete its growth and become a ribbon with the appropriate structural properties for further processing. The present invention is applicable, for example, in the industry of silicon ribbon production for photovoltaic application. | 12-16-2010 |
20110221101 | Resin-based molding of electrically conductive structures - A method for resin-based molding of electrical structures which possess desired properties of electrical conductivity, radio frequency (RF) energy reflectivity, and electromagnetic interference (EMI) shielding, while still retaining the basic physical and structural properties of the base (plastic) material. | 09-15-2011 |
20110266719 | LARGE CERAMIC COMPONENT AND METHOD OF MANUFACTURE - The invention concerns a sintered ceramic component of silicon nitride or sialon suitable as rolling element in a bearing and a manufacturing method for making such ceramic components. The ceramic component has high density and a homogeneous and fine microstructure, giving the component excellent mechanical properties. Manufacturing of the sintered ceramic component by SPS is cost-effective and rapid. | 11-03-2011 |
20120267831 | SEMICONDUCTOR CRYSTAL BODY PROCESSING METHOD AND SEMICONDUCTOR CRYSTAL BODY PROCESSING DEVICE - A semiconductor crystal body processing method includes providing a semiconductor crystal body, sandwiching the semiconductor crystal body between a pair of conductive pressurizing tools, applying a pulse-like current between the pair of pressurizing tools to heat the semiconductor crystal body to a target temperature equal to or higher than a temperature at which the semiconductor crystal body is plastically deformed by pressurization and lower than its melting point, and applying pressure and a pulse-like current between the pair of pressurizing tools to thereby maintain the temperature of the semiconductor crystal body at the target temperature and mold the semiconductor crystal body into a target shape by plastic deformation. | 10-25-2012 |
20140167327 | SURFACE ANNEALING OF COMPONENTS FOR SUBSTRATE PROCESSING CHAMBERS - A method of fabricating a processing chamber component comprises forming a processing chamber component having a structural body with surface regions having microcracks, and directing a laser beam onto the microcracks of the surface regions of the structural body for a sufficient time to heal and close off the microcracks by themselves. | 06-19-2014 |
20140210139 | METHOD OF INCREASING THE HARDNESS OF WURTZITE CRYSTALLINE MATERIALS - The method of increasing the hardness of wurtzite crystalline materials is directed to the production of tool bits and inserts having a hardness approaching that of diamond, while simultaneously providing greater toughness and fracture resistance than diamond. The method includes forming a workpiece of boron nitride having a wurtzite crystal structure (wBN), and optionally combining boron nitride having a cubical crystal structure (cBN) with the wBN material. The workpiece is heat-treated by a defocused laser beam moved across the surface at a rate sufficient to preclude melting or deformation of the workpiece. The heated area is quickly quenched by a water jet, and a gas jet immediately follows the laser path to assure separation of the water from the laser contact area. The result is an increase in hardness of about 88%, from an initial hardness of about 40 GPa to a treated hardness of about 75 GPa. | 07-31-2014 |
20140246811 | METHOD FOR MAKING NANOWIRE STRUCTURE - The disclosure related to a method for making a nanowire structure. First, a free-standing carbon nanotube structure is suspended. Second, a metal layer is coated on a surface of the carbon nanotube structure. The metal layer is oxidized to grow metal oxide nanowires. | 09-04-2014 |
20140374960 | METHOD FOR PRODUCING A GRAPHENE FILM - A process for manufacturing graphene film, comprising the controlled growth of graphene film, comprises the following steps: depositing at least one metal layer on the surface of a substrate; and continuously producing a carbon-rich buried region inside said metal layer by bombarding the metal layer with a flux of carbon atoms and/or carbon ions with an energy higher than about a few tens of electron volts so that they penetrate a portion of the metal layer, allowing said carbon-rich region to be created and maintained, so as to form, by diffusion, through said metal layer, a graphene film at the interface of said metal layer with said substrate. | 12-25-2014 |
20150306699 | Machine and Method for Additive Manufacturing - An additive manufacturing machine is offered which creates a three-dimensional (3D) object by melting a powdered material with a beam such an electron beam and which shapes the surface of the 3D object at improved accuracy. The 3D object is obtained by tightly spreading the powdered material ( | 10-29-2015 |
20160185051 | METHOD FOR MANUFACTURING A GLASS-RESIN COMPOSITE MONOFILAMENT - A process for manufacturing a monofilament made of glass-resin composite comprising glass filaments embedded in a resin comprises: creating a rectilinear arrangement of glass filaments and conveying this arrangement in a feed direction: in a vacuum chamber, degassing the arrangement of glass filaments by the action of the vacuum; at the outlet of the vacuum chamber, after degassing, passing through an impregnation chamber under vacuum so as to impregnate said arrangement of glass filaments with a photocurable resin composition in the liquid state to obtain a pre-preg containing the glass filaments and the resin composition; passing said pre-preg through a sizing die having a cross section of predefined area and shape to provide it with the shape of a monofilament; and downstream of the die, in a UV irradiation chamber, polymerizing the resin composition under the action of the UV rays. | 06-30-2016 |
264431000 | Induction heating | 5 |
20090321996 | Silicon Electro-Magnetic Casting Apparatus and Operation Method of the Same - An operation method of an electro-magnetic casting apparatus for silicon takes into account: the measurements of the surface temperature of the ingot and the temperature of the heating furnace; the control of the induction frequency for the electro-magnetic casting; the control of the power source output of the heating means based on the measured surface temperature of the solidified silicon; and the control of the induction frequency of induction power source based on the measured induction frequency of the induction coil power source; thus, it becomes possible to secure remarkable safety and productivity in the continuous casting of the silicon ingot, thereby enabling to facilitate the production of a semiconductor polycrystal silicon ingot, which is applied to safety operation widely. | 12-31-2009 |
20100148403 | Systems and Methods For Manufacturing Cast Silicon - Apparatus and methods are provided for manufacturing cast silicon. The systems and methods include a plurality of inductive coils configured to form a space to contain molten silicon, and configured to generate an electromagnetic field when an electrical current is supplied to the inductive coils to support the molten silicon so that a gap is maintained in a portion of the space between at least one substantially vertical wall of the molten silicon and at least one of the inductive coils, and when a portion of the molten silicon solidifies into a solid silicon ingot as the molten silicon is cooled by the cooling device, a concave liquid/solid interface is formed between the molten silicon and the solid silicon ingot. | 06-17-2010 |
20130106024 | METHOD FOR PRODUCING BAUXITE-BASED HOLLOW CORUNDUM SPHERE | 05-02-2013 |
20140361464 | SYSTEM AND METHOD FOR ADDITIVE MANUFACTURING - A method for forming a component includes providing a first layer of a mixture of first and second powders. The method includes determining the frequency of an alternating magnetic field to induce eddy currents sufficient to bulk heat only one of the first and second powders. The alternating magnetic field is applied at the determined frequency to a portion of the first layer of the mixture using a flux concentrator. Exposure to the magnetic field changes the phase of at least a portion of the first powder to liquid. A change in power transferred to the powder during a phase change in the powder is calculated to determine the quality of component formation. | 12-11-2014 |
20160089648 | CARBON COMPOSITES AND METHODS OF MANUFACTURE - A method for the manufacture of a carbon composite comprises compressing a combination comprising carbon and a binder at a temperature of about 350° C. to about 1200° C. and a pressure of about 500 psi to about 30,000 psi to form the carbon composite; wherein the binder comprises a nonmetal, metal, alloy of the metal, or a combination thereof; wherein the nonmetal is selected from the group consisting of SiO | 03-31-2016 |
264432000 | Microwave (e.g., 2.45 gigahertz, etc.) | 7 |
20080258348 | Method and applicator for selective electromagnetic drying of ceramic-forming mixture - Electromagnetic (EM) drying of a plugged ware is provided that includes subjecting the ware to an axially non-uniform EM radiation field that causes more EM radiation to be dissipated in either of the plugged regions than in the unplugged region. The EM radiation field is provided by a configurable applicator system that includes a feed waveguide and a conveyor path. The feed waveguide includes configurable slots. The configurable applicator system can be set to selectively vary the amount of EM radiation dissipated by each ware along the longitudinal axis of each ware as a function of ware position along the conveying path, thereby enhancing the EM drying process. | 10-23-2008 |
20090014918 | MICROWAVE-ASSISTED PRESS CURE PROCESSING OF FRICTION PADS - A method and apparatus is provided for forming an in-mold cured brake pad ( | 01-15-2009 |
20100078859 | METHOD FOR DRYING HONEYCOMB FORMED ARTICLE - There is provided a method for drying a honeycomb formed article | 04-01-2010 |
20120086153 | MANUFACTURING METHODS OF CERAMIC FIRED BODY, HONEYCOMB STRUCTURE, AND EXHAUST GAS CONVERTING DEVICE, AND DRYING APPARATUS - A manufacturing method of a ceramic fired body includes forming a composition of ceramic raw material containing water to make a ceramic molded body. The ceramic molded body is irradiated with a microwave under a depressurized atmosphere of about 1 KPa or more and about 50 kPa or less to dry the ceramic molded body. The ceramic molded body is fired to make the ceramic fired body. | 04-12-2012 |
20130221578 | Tray Assemblies and Methods For Manufacturing Ceramic Articles - Tray assemblies and methods for manufacturing ceramic articles are provided. In one embodiment, a tray assembly includes a tray body having a supporting surface operable to support a ceramic article for passage through a microwave drying apparatus during a microwave drying process and a microwave coupling cover associated with the tray body. The microwave coupling cover envelopes at least a portion of the ceramic article during the microwave drying process. The microwave coupling cover has a dielectric property such that a greater percentage of microwave energy is coupled into the ceramic article with the microwave coupling cover present during the microwave drying process than with the microwave coupling cover not present. Methods may include rotating the ceramic article when the ceramic article is about 40%-60 dry. | 08-29-2013 |
20140327186 | RAPID DRYING OF CERAMIC GREENWARES - Systems and methods for rapid drying of ceramic greenwares having a high graphite content are disclosed. The methods include employing microwave drying to bring the dryness of the ceramic greenware to a first select dryness and then employing close-coupled hot-air drying to bring the dryness to the final target dryness. The judicious use of close-coupled hot-air drying reduces end defects due to unevenness in the microwave drying process while also substantially speeding up the drying process. Various configurations for and combinations of microwave drying and close-coupled hot-air drying are disclosed. | 11-06-2014 |
20150061191 | MICROWAVE PLASMA REACTORS AND SUBSTRATES FOR SYNTHETIC DIAMOND MANUFACTURE - The present disclosure relates to substrates for use in microwave plasma reactors. Certain substrates include a cylindrical disc of a carbide forming refractory metal having a flat growth surface on which CVD diamond is to be grown and a flat supporting surface opposed to said growth surface. The cylindrical disc may have a diameter of 80 mm or more. The growth surface may have a flatness variation no more than 100 mm The supporting surface may have a flatness variation no more than 100 mm. | 03-05-2015 |
264433000 | Including extruding (e.g., spinning, etc.) | 4 |
20080265469 | Device and Method for Preparing Filament Yarn of Composite Nanofibers - Device and method for preparing filament yarn of composite nanofibers. The device includes pairs of electrospinning nozzles on a frame and filament guiding roller pair under the frame. The spouts of each pair of nozzles are oppositely facing. The method includes feeding polymer solutions to the pairs of nozzles, applying high DC voltage with opposite polarity respectively to each one of the pairs of nozzles, forming composite nanofibers by attracting nanofibers with opposite charge from each nozzle and striking together of the charged nanofibers, pulling/stretching the composite nanofibers to form filament yarn of composite nanofibers, drawing down the filament yarn of composite nanofibers from the first pair of nozzles and using it as a carrier to receive the nanofibers with opposite charge electrospun from the second pair of nozzles and coated by the same so as to form multi-layer (e.g., two- or more-layer) filament yarn of composite nanofibers. | 10-30-2008 |
20100164145 | PROCESS OF MANUFACTURING INORGANIC NANOFIBERS - A process of manufacturing inorganic nanofibers, without using an organic polymer, using a highly reactive metal alkoxide such as titanium alkoxide or zirconium alkoxide, in particular, a process in which inorganic nanofibers can be stably produced over a long period, is provided. It is a process of manufacturing inorganic nanofibers by electrospinning using a sol solution containing an inorganic component as a main component, characterized in that the sol solution contains a metal alkoxide having a high reactivity and a salt catalyst, and that the salt catalyst is an amine compound having an N—N bond, an N—O bond, an N—C═N bond, or an N—C═S bond. | 07-01-2010 |
20140027954 | Method of manufacturing high aspect ratio silver nanowires - A process for manufacturing silver nanowires is provided, comprising: providing a silver ink core component containing ≧60 wt % silver nanoparticles dispersed in a silver carrier; providing a shell component containing a film forming polymer dispersed in a shell carrier; providing a substrate; coelectrospinning the silver ink core component and the shell component depositing on the substrate a core shell fiber having a core and a shell surrounding the core, wherein the silver nanoparticles are in the core; and, treating the silver nanoparticles to form a population of silver nanowires, wherein the population of silver nanowires exhibit an average length, L, of ≧60 μm. | 01-30-2014 |
20150076742 | CARBON AND CARBON PRECURSORS IN NANOFIBERS - Provided herein are nanofibers comprising carbon precursors, nanofibers comprising carbon matrices, and processes for preparing the same. In specific examples, provided herein are high performance lithium ion battery anodic nanofibers comprising non-aggregated silicon domains in a continuous carbon matrix. | 03-19-2015 |
264434000 | Including vitrifying or sintering (e.g., fusing, firing, burning, etc.) | 9 |
20090039562 | Method for producing an anti-scatter grid or collimator made from absorbing material - A method is proposed for producing an anti-scatter grid or collimator for a radiation type, which is formed from at least one base body of prescribable geometry having transmission channels or slits for primary radiation of the radiation type which extend between two opposite surfaces of the base body. The base body is formed from a structural material that strongly absorbs the radiation type, either using the injection molding technique or by way of the technique of stereolithography. The method can be used to produce an anti-scatter grid or collimator with high accuracy and with the aid of only a few steps. | 02-12-2009 |
20110121493 | METHOD FOR MANUFACTURING CERAMIC FIRED BODY AND METHOD FOR MANUFACTURING HONEYCOMB STRUCTURED BODY - A method for manufacturing a ceramic fired body includes molding and degreasing a ceramic raw material to manufacture a ceramic degreased body. The ceramic degreased body is fired in a continuous firing furnace. The firing step includes preheating the ceramic degreased body up to a preheating temperature of at least about 1500° C. and at most about 2000° C. by resistance heating with a resistance heating mechanism. High-temperature firing includes heating the ceramic degreased body from the preheating temperature to a firing temperature of at least about 2000° C. and at most about 2300° C. by both the resistance heating with the resistance heating mechanism and direct energizing heating in which the ceramic degreased body is energized and heated. The temperature of the ceramic degreased body is held at the firing temperature. | 05-26-2011 |
20110260368 | METHOD FOR MANUFACTURING CERAMIC COMPONENTS - The invention concerns a method for manufacturing a ceramic material with pseudo-isotropic microstructure. The method for tailoring the microstructure for manufacturing of sintered ceramic components involves a spark plasma sintering (SPS) process. By performing the SPS process in at least two steps it is possible to separate densification from grain growth. An initial sintering step at a first temperature and a first pressure, followed by a controlled grain growth step at a higher temperature and lower pressure makes it possible to manufacture ceramic components with controlled microstructure and improved mechanical properties. | 10-27-2011 |
20120119420 | Nano metric composite ceramic component - A method of synthesising a nano metric composite which has a core and shell structure includes preparing isometric metal oxide cores with an average diameter of less than 100 nm by a growth process via a liquid route. A double surfactant method is used which includes a first surfactant to obtain mono dispersal of the metal oxide cores and then a second surfactant to prepare the surface of the metal oxide cores, thereafter grafting a shell on each core. | 05-17-2012 |
20120306121 | CERAMIC METAL COMPOSITE FOR ORTHOPAEDIC IMPLANTS - The invention relates to an orthopaedic implant made of a ceramic metal composite. The composite includes one phase that is a biocompatible metal or metal alloy and a second phase of ceramic particles examples of which include carbides, nitrides and/or oxides. In some embodiments, the implant comprises a homogeneous ceramic layer as part of a multilayered composition. In some embodiments, the multilayered composition comprises a homogeneous metal layer. | 12-06-2012 |
20140191443 | PREPARATION METHOD OF TUNGSTEN CARBIDE SINTERED BODY FOR FRICTION STIR WELDING TOOL - The present invention relates to a preparation method of a tungsten carbide sintered body for a friction stir welding tool used in a friction stir welding tool of a high melting point material such as steel, titanium and the like or a dissimilar material such as aluminum, magnesium-steel, titanium and the like using pulsed current activation through a discharge plasma sintering apparatus. The preparation method comprises the following steps: filling a tungsten carbide (WC) powder in a mold made of a graphite material; mounting the mold filled with tungsten carbide powder in a chamber of a discharge plasma sintering apparatus; making a vacuum inside of the chamber; molding the tungsten carbide powder while maintaining a constant pressure inside the mold and increasing the temperature according to a set heat increase pattern until the temperature reaches a final target temperature; and cooling the inside of the chamber while maintaining the pressure pressurized in the mold after the molding step. According to the preparation method of a tungsten carbide sintered body for a friction stir welding tool, it is possible to obtain a high relative density of 99.5% or higher, and to prepare a uniform sintered body having a homogeneous tissue with little particle growth, high toughness, high abrasion resistance and high strength within a short time by a single process when preparing a tungsten carbide sintered body appropriate for a friction stir welding tool by using pulsed current activation through a discharge plasma sintering apparatus. In addition, since a sintered body is prepared with only a tungsten carbide single material, excluding a sintering additive such as cobalt, a preparation method is simplified, preparation costs are reduced, and toughness, abrasion resistance and strength are superior compared with a sintered body containing cobalt, a sintering additive. | 07-10-2014 |
20140353880 | PROCESS FOR SINTERING THERMOELECTRIC MATERIALS - The process for producing, processing, sintering, pressing or extruding thermoelectric materials with heat treatment under inert gas or under reduced pressure at temperatures in the range from 100 to 900° C. comprises producing, processing, sintering, pressing or extruding in the presence of oxygen scavengers which form thermodynamically stable oxides in the presence of free oxygen under the production, processing, sintering, pressing or extrusion conditions and hence keep free oxygen away from the thermoelectric material. | 12-04-2014 |
20150069666 | METHOD FOR PREPARING CARBON NANOTUBE FIBER REINFORCED WTIH CARBON PRECURSOR - The present invention relates to carbon nanotube fibers reinforced with a carbon precursor and a method for manufacturing the same. The carbon nanotube fibers reinforced with a carbon precursor according to the present invention are carbonized by the empty space inside the carbon nanotube fibers being filled with a carbon precursor, and therefore, are highly effective in that the mechanical and thermal properties are improved due to effective stress transfer and contact resistance decrease, and these properties are maintained intact even at high temperatures. | 03-12-2015 |
20160016855 | FABRICATION OF CARBON NANOTUBE-NONOXIDE STRUCTURAL CERAMIC NANOCOMPOSITES THROUGH LASER SINTERING - Methods for making a carbon nanotube (CNT)-nonoxide structural ceramic nanocomposite as well as for enhancing at least one mechanical property or characteristic of a nonoxide structural ceramic material are provided. A mixture of CNT and nonoxide structural ceramic powder can be laser sintered to form desired carbon nanotube-nonoxide structural ceramic nanocomposites. | 01-21-2016 |