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| Number | Title | Issue Date |
| 8062406 | Process for producing metallic ultrafine powder A process for producing metallic ultra-fine powder, which can use a raw material which is spread over a wide range, and control freely the grain size of the metallic powder to be produced, at low cost and high safety. The process for producing the metallic ultra fin... | 11/22/2011 |
| 8029596 | Method of making rare-earth strengthened components A method of manufacturing a metallic component includes atomizing, in an inert atmosphere, a metallic liquid having at least one rare-earth element and at least one non rare-earth element to form a metallic powder. A series of heat treating steps are performed on th... | 10/04/2011 |
| 8029595 | Method and apparatus of producing nanoparticles using nebulized droplet Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are... | 10/04/2011 |
| 7857887 | Environment-friendly non-noise matte granulation technique The invention makes public an environment-friendly non-noise matte granulation technique. Melted matte flows out from the chute, then gas is sprayed on the matte through spray facilities; the gas disperses the melted matte into a large amount of tiny liquid drops, a... | 12/28/2010 |
| 7824465 | Methods for producing metal powders A method for producing a metal powder product involves: Providing a supply of a precursor metal powder; combining the precursor metal powder with a liquid to form a slurry; feeding the slurry into a pulsating stream of hot gas; and recovering the metal powder produc... | 11/02/2010 |
| 7780757 | Method and apparatus for producing fine particles The present invention provides a method and apparatus for producing fine particles. According to the production method, a molten material 1 which has been formed by melting a raw material to be formed into fine particles is supplied in the form of droplets | 08/24/2010 |
| 7628838 | Method for producing particle-shaped material A method for producing particle shaped material from a melt. The method comprises the following steps: the material is melted, the material melt is intimately mixed with a gas in a predetermined ratio; the gas-liquid mixture is suddenly expanded and the material pow... | 12/08/2009 |
| 7621976 | Coated silver-containing particles, method and apparatus of manufacture, and silver-containing devices made therefrom Provided are silver-containing powders and a method and apparatus for manufacturing the silver-containing particles of high quality, of a small size and narrow size distribution. An aerosol is generated from liquid feed and sent to a furnace, where liquid in droplet... | 11/24/2009 |
| 7503958 | Method of manufacturing the SnZnNiCu solder powder and the SnZnNiCu solder powder The present invention is a method to manufacture the SnZnNiCu solder powder through liquid quenching atomizing method, and an atomizing temperature is not less than 500° C., in particular, not less than 900° C. The raw material metal used as raw material of the so... | 03/17/2009 |
| 7364819 | Alkaline electrochemical cell with a blended zinc powder An electrochemical cell with a blended zinc powder is disclosed. The blended zinc powder includes selected portions of a first zinc powder and a second zinc powder. In a preferred embodiment, the first and second powders are divided into groups based on ranges in th... | 04/29/2008 |
| 7309375 | Method for producing metallic powders consisting of irregular particles The invention relates to the production of a metallic powder consisting of surface-fissured, so-called irregular particles, namely a water-atomised metallic powder. The aim of the invention is to obtain an irregular surface form of powder grains (23) in a nar... | 12/18/2007 |
| 7286626 | Neutron absorbing coating for nuclear criticality control A neutron absorbing coating for use on a substrate, and which provides nuclear criticality control is described and which includes a nickel, chromium, molybdenum, and gadolinium alloy having less than about 5% boron, by weight. ... | 10/23/2007 |
| 7279053 | Alloy thin ribbon for rare earth magnet, production method of the same, and alloy for rare earth magnet The present invention provides a rare earth magnet superior in magnetic properties and thermal stability. In an aspect of the present invention, a production method of an alloy thin ribbon for a rare earth magnet includes a step to obtain a quenched thin ribbon by f... | 10/09/2007 |
| 7278843 | Methods for fine powder formation Improved methods for forming fine particles of a material have been developed, wherein the method steps include dissolving the material in a solvent to form a dilute solution, immobilizing the dilution solution, and then removing the solvent to yield particles of th... | 10/09/2007 |
| 7246758 | Metal atomizing device A metal atomizing device includes a casing with an inlet tube for providing liquid metal into the casing and an outlet is defined through the casing. The inlet tube and the outlet share a common axis. A polygonal impact member is located at an outlet of the inlet tu... | 07/24/2007 |
| 7240520 | Method and device for pulverizing and granulating melts In a process for pulverizing and granulating melts, especially oxidic slag, glass, or thermoplastic melts, in which the melts are heated with burner (6) in an antechamber (5) and ejected as a shroud surrounding a propellant stream into a granulating ch... | 07/10/2007 |
| 7198657 | Process and device for producing metal powder A metal powder produced by a process which comprises directing at least three successive gas beams at a molten metal stream inside an atomization chamber, the at least three gas beams being oriented in different directions. This abstract is neither intended to defin... | 04/03/2007 |
| 7192466 | Method for preparing nuclear metal or metal alloy particles Nuclear metal or alloy particle preparation method and device; said device comprising: means to prepare a fluid mass of the metal or alloy by melting; means to put the fluid mass of the metal or metal alloy in the ... | 03/20/2007 |
| 7175688 | Ni-Fe based alloy powder A Ni—Fe based alloy powder of the present invention contains not less than 90% by a combined mass of Ni and Fe and homogeneously has particles having an average particle diameter from 0.1 to 1 μm, and an average value of mass ratio Fe/(Fe+Ni) from 15% to 25% both... | 02/13/2007 |
| 7131597 | Atomization technique for producing fine particles This disclosure relates to a novel process for atomizing a liquid material or a mixture of liquid materials. More specifically, this disclosure advances the art by utilizing the inertial forces created in an elevated acceleration environment to further miniaturize a... | 11/07/2006 |
| 7097687 | Process for fabricating metal spheres A method of forming metal spheres includes ejecting a precisely measured droplet of molten metal from a molten metal mass, buffering the molten metal droplet to reduce the internal kinetic energy of the droplet without solidifying the droplet and cooling the buffere... | 08/29/2006 |
| 7097806 | Rapid surface cooling of solder droplets by flash evaporation A mist of liquid coolant is introduced into the path of atomized, molten, solder droplets. The mist and other conditions within the chamber are engineered to enable the liquid coolant droplets in the mist to contract the surfaces of molten solder droplets and be fla... | 08/29/2006 |
| 7097688 | Method for producing silicon based alloys in atomized form A method for producing an alloy in atomized form, wherein the alloy includes between about 10% to about 100% of a silicon based alloy, including obtaining a base silicon-iron alloy mixture and an atomization unit having an atomization chamber and a plurality of nozz... | 08/29/2006 |
| 7093463 | Method and device for producing powders that consist of substantially spherical particles A method for producing powders that consist of substantially spherical particles from a material such as glass, ceramics or plastic that produces a highly viscous melt that solidifies at a glass transition temperature Tg or at a solidification temperature... | 08/22/2006 |
| 7064512 | Positioning apparatus, exposure apparatus, and semiconductor device manufacturing method A positioning apparatus includes an X stage, a linear motor (X-axis) which drives the X stage along the X-axis, a linear motor (Y-axis) which drives a Y stage along the Y-axis, a laser interferometer which detects position information of the stages along the X and Y... | 06/20/2006 |
| 7033414 | Method of producing tablets formed by prealloys of aluminum-iron produced from automized powders, and tablets produced thereby A tablet formed by prealloys iron-aluminum produced from atomized powders to be used as additive element in aluminum alloys, is manufactured by the method having the steps of obtaining a metallic alloy by fusion of iron and aluminum with the iron and aluminum added ... | 04/25/2006 |
| 7008463 | Method for producing amorphous metal, method and apparatus for producing amorphous metal fine particles, and amorphous metal fine particles A method and apparatus are invented for producing an amorphous metal, which can readily realize amorphous metal fine particles of sub-micron order to 100 micron order including fine particles of several micrometer of a material from which an amorphous metal cannot b... | 03/07/2006 |
| 6951637 | Method and device for producing globular grains of high-puroty silicon having a diameter of between 50 μm and 300 μm and use of the same The invention relates to a method and a device for producing globular grains of high-purity silicon by atomising a silicon melt (6) in an ultrasonic field (10). Globular grains having a grain size of 50 μm can be produced by means of said method and d... | 10/04/2005 |
| 6923842 | Method and apparatus for producing fine particles, and fine particles A method and apparatus are invented for producing fine particles, which can readily realize the formation of fine particles of sub-μm order to 100 micron order as well as fine particles of several micrometer which cannot be realized by a conventional method and app... | 08/02/2005 |
| 6919576 | Composite neutron absorbing coatings for nuclear criticality control Thermal neutron absorbing composite coating materials and methods of applying such coating materials to spent nuclear fuel storage systems are provided. A composite neutron absorbing coating applied to a substrate surface includes a neutron absorbing layer overlying... | 07/19/2005 |
| 6869461 | Fine powder of metallic copper and process for producing the same A fine powder of metallic copper, suitable as a material for electroconductive pastes, and having a BET diameter of 3 μm or less, large crystallite size, high dispersibility and particles of high sphericity and a process for producing the same. More specifically, a... | 03/22/2005 |
| 6835226 | Negative electrode active material, method of producing the same, and nonaqueous electrolyte cell An alloy powder containing at least one element selected from the group consisting of the Group 14 elements exclusive of C and the Group 13 elements exclusive of Tl is subjected to a mechanical milling treatment, to obtain a negative electrode active material. Alter... | 12/28/2004 |
| 6805726 | Method for producing a powder A method for producing a powder by pulverizing a stream of molten metal using a pulverization gas, which directly hits the molten metal stream, whereby a) a reactive gas is used as the pulverization gas such that a compound is formed by the reaction of the pulveriza... | 10/19/2004 |
| 6780350 | Metal-carbon composite powders, methods for producing powders and devices fabricated from same Metal-carbon composite powders and methods for producing metal-carbon composite powers. The powders have a well-controlled microstructure and morphology and preferably have a small average particle size. The method includes forming the particles from an aerosol of p... | 08/24/2004 |
| 6773246 | Atomizing apparatus and process An atomizing apparatus for the production of powders or spray deposits, having an atomization device for receiving a liquid stream of molten metal or metal alloy to be atomized; at least two primary atomization gas jets for directing an atomization gas at an angle i... | 08/10/2004 |
| 6770207 | Method for the leaching of solid matter from sludge The invention relates to a method for the leaching of solid matter from a sludge with the aid of a gas containing oxygen, whereby the solid matter of the sludge is recirculated in a tall reactor equipped with a central pipe in the centre of the reactor and a double-... | 08/03/2004 |
| 6761751 | Method of making a FeCrAl material and such material A method of producing an FeCrAl material by gas atomization, and a high temperature material produced by the method. In addition to containing iron (Fe), chromium (Cr), and aluminium (Al) the material also contains minor fractions of one or more of the materials mol... | 07/13/2004 |
| 6749662 | Steel ballistic shot and production method A relatively high carbon, water-atomized, steel shot is softened via annealing to render it suitable for ballistic use. The annealing preferably includes decarburization from a surface layer or throughout and preferably provides the shot with a surface Knoop hardnes... | 06/15/2004 |
| 6746509 | Process for producing zinc or zinc alloy powder for battery A process of producing a zinc or zinc alloy powder (4) for batteries which comprises dropping molten zinc or a molten zinc alloy to form a molten metal droplets stream (1) and striking an atomizing medium jet (3) emitted from a nozzle (2)... | 06/08/2004 |
| 6699304 | Palladium-containing particles, method and apparatus of manufacture, palladium-containing devices made therefrom Provided are palladium-containing powders and a method and apparatus for manufacturing the palladium-containing particles of high quality, of a small size and narrow size distribution. An aerosol is generated from liquid feed and sent to a furnace, where ... | 03/02/2004 |
