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7582134 |
Aerosol method and apparatus, particulate products, and electronic devices made therefrom
Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator ( 106 ) including a...
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7572315 |
Process for the synthesis, separation and purification of powder materials
The invention concerns a process for the spheroidisation, densification and purification of powders through the combined action of plasma processing, and ultra-sound treatment of the...
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7527824 |
Methods for producing coated nanoparticles from microparticles
A method for producing composite, shelled, alloy and compound nanoparticles as well as nanostructured films of composite, shelled, alloy and compound nanoparticles by using laser ablation of...
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7431750 |
Nanostructured metal powder and method of fabricating the same
The present invention relates to a nanostructured metal powder and a method of fabricating the same. A twin-wire electric arc process is performed to melt the wire tips, and metal melt is formed....
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7374598 |
Methods and apparatus for spray forming, atomization and heat transfer
The present invention is directed to methods and apparatus that use electrostatic and/or electromagnetic fields to enhance the process of spray forming preforms or powders. The present invention...
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7367999 |
Ultrafine particles and method and apparatus for producing the same
A method of producing ultrafine particles by vaporization comprising: vaporizing a target by sputtering; causing particles that fly from the target by vaporization to be deposited on an oil...
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7220463 |
Method for obtaining nanoparticles
The method is intended for obtaining nanosize amorphous particles, which find use in various fields of science and technology; in particular, metallic nanostructures can be regarded as a promising...
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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...
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7067021 |
Method of manufacturing multilayer material for plain bearing
A method of manufacturing a multilayer material including a back metal and a metal plate made from a metal differing from the back metal is disclosed. The method includes heating powder of the...
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7022155 |
Plasma arc reactor for the production of fine powders
A plasma arc reactor and process for producing a powder from a solid feed material, for example aluminium, is provided. The reactor comprises: (a) a first electrode ( 5 ), (b) a second electrode (...
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6977097 |
Particle forming methods
A particle forming method includes feeding a first set of precursors to a first energy application zone. Energy is applied to the first set of precursors in the first energy application zone...
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6814778 |
Method for continuous mode solder jet apparatus
A solder jet apparatus is disclosed The solder jet apparatus is a continuous mode solder jet that includes a blanking system and raster scan system. The use of the raster scan and blanking systems...
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6689191 |
Rapid conversion of metal-containing compounds to form metals or metal alloys
A method of converting metal-containing or metal alloy-containing compounds into a metal or metal alloy by rapidly heating the metal-containing or metal alloy-containing compound to an elevated...
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6440768 |
Thermoelectric semiconductor material and method of manufacturing the same
The present invention provides a novel thermoelectric semiconductor material having excellent thermoelectric property which is not lowered like a conventional PbTe-based or PbSnTe-based...
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6428600 |
Process for producing spheroidized hard material powder
The spheroidized hard material powders are produced by introducing a finely ground basic mixture of hard material into a thermal, inductively coupled high-frequency plasma so that at the same time...
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6392188 |
Apparatus for production of nanosized particulate matter by vaporization of solid materials
There is disclosed an apparatus for production of nanosized particulate matter by vaporization of solid materials, comprising a first chamber ( 14 ), a vacuum pump ( 15 ) connected to the first...
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6277169 |
Method for making silver-containing particles
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...
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6254928 |
Laser pyrolysis particle forming method and particle forming method
The invention comprises particle forming methods, laser pyrolysis particle forming methods, chemical mechanical polishing slurries, and chemical mechanical polishing processes. In but one preferred...
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6248216 |
Efficient production of particles by chemical reaction
A method for efficiently producing particles from gas phase chemical reactions induced by a radiation beam. The apparatus includes a reaction chamber and an elongated reactant inlet, where the...
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6068800 |
Production of nano particles and tubes by laser liquid interaction
The present invention is a process and apparatus for producing nano-scale particles using the interaction between a laser beam and a liquid precursor solution. There are two embodiments. The first...
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6019814 |
Method of manufacturing 3D parts using a sacrificial material
A method for manufacturing precise complex three dimensional structures in which minute drops of both a product layer and a sacrificial layer are emitted from an acoustic device. The process is a...
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5958105 |
Process for preparing metallic beryllium pebbles
A method for stably producing metal beryllium pebbles each ranging from 0.1 to 1.8 mm in particle diameter and 0.05 to 0.6 mm in crystal grain average diameter. The metal beryllium pebbles obtained...
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5935294 |
Method of manufacturing and transferring metallic droplets
A method of manufacturing metallic droplets (9), comprising the following steps: (a) providing a substrate (1) which is substantially transparent to radiation of wavelength λ, one face (1a) of...
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5855642 |
System and method for producing fine metallic and ceramic powders
A system and method for producing fine powders. The system includes a rotary atomization device for forming a moving flow of a molten source material; a source of atomizing material; a nozzle for...
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5770126 |
High producing rate of nano particles by laser liquid interaction
The present invention is a process and apparatus for producing nano-scale particles using the interaction between a laser beam and a liquid precursor solution. There are two embodiments. The first...
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5746844 |
Method and apparatus for creating a free-form three-dimensional article using a layer-by-layer deposition of molten metal and using a stress-reducing annealing process on the deposited metal
A method and apparatus for the accurate formation of a three-dimensional article comprises providing a supply of substantially uniform size droplets of a desired material wherein each droplet has a...
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5707419 |
Method of production of metal and ceramic powders by plasma atomization
A metal or an alloy thereof, or a ceramic that has a liquid phase is introduced in the form of a rod or a wire or as a liquid stream into the apex formed by a plurality of converging plasma jets....
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5578108 |
Ultrafine particles of amorphous metal and method for production thereof
Ultrafine amorphous metal particles which combine the properties of ultrafine particles with those of an amorphous alloy and a method for the production thereof are disclosed. The ultrafine...
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5518522 |
Deformed ultra fine grains and process for producing same in bulk
A deformed ultra fine grain is comprised of a spherical body and a tail-like projection projecting from the surface of the spherical body. The tail-like projection exhibits a separating effect on...
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5472749 |
Graphite encapsulated nanophase particles produced by a tungsten arc method
A method of synthesizing encapsulated nanocrystals inside protective shells is disclosed. This method produces nanocrystals of metals, alloys, and compounds which are individually encapsulated by...
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5272718 |
Method and apparatus for forming a stream of molten material
A method and apparatus for forming a stream of molten material. The apparatus includes a melt container having a bottom wall in which is formed an aperture. A funnel is adapted and constructed to...
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5194128 |
Method for manufacturing ultrafine particles
A method for the manufacture of ultrafine particles or atom clusters is disclosed. The ultrafine particles of size between about 10 to 1000 Angstroms are formed by the disruption of the crystal...
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5084091 |
Method for producing titanium particles
Titanium is induction melted to produce a molten mass thereof and a water-cooled crucible having a nonoxidizing atmosphere and a bottom opening. The current to the coil used for induction melting...
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5062936 |
Method and apparatus for manufacturing ultrafine particles
A method for the manufacture of ultrafine particles or atom clusters is disclosed. The ultrafine particles of size between about 10 to 1000 Angstroms are formed by the disruption of the crystal...
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4886547 |
Powder manufacturing apparatus and method therefor
The present invention provides a method of efficiently and stably manufacturing a high-purity metal powder of a desired particle size, which is used for powder metallurgy or the like, by generating...
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4762553 |
Method for making rapidly solidified powder
System and method for producing metal or alloy powder are described comprising an electromagnetic levitating coil having an outlet for supporting a molten source of the metal or alloy and...
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4638488 |
Fine grains producing apparatus
A toroidal pile of raw material is contained in a toroidal melting pot provided in the lower portion of a furnace and a ring plasma torch is mounted over the toroidal pile of the raw material. A...
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4584078 |
Method of producing fine particles
A method of producing fine particles with a particle size of submicron or finer which comprises the steps of: forming closely fine projections on a substrate surface, preferably by...
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4473514 |
Process for the manufacture of steel balls, particularly balls for rolling element bearings
The process comprises at least a first phase for separating a plurality of particles of molten steel from a bath of molten steel, a second phase for subjecting these particles, while still in the...
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4376740 |
Process for production fine metal particles
A process for producing fine particles of a metal or alloy, which comprises contacting a molten metal or alloy with activated hydrogen gas thereby to release fine particles of the metal or alloy...
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4264641 |
Electrohydrodynamic spraying to produce ultrafine particles
Amorphous or microcrystalline alloy powder is prepared by the rapid quenching of ultrafine metallic spheroids generated from the molten metal state. The molten metal droplets are formed when an...
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4218410 |
Method for the production of high-purity metal powder by means of electron beam heating
High-purity metal powder is made by the electron beam melting of a starting material in rod form in a vacuum wherein the molten metal is momentarily caught on a spinning plate rotating at high...
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4014964 |
Process for making metal powder using a laser
A process for producing high purity metal powders in which a metal or metal alloy of the desired composition is molten and introduced into a chamber in the form of a stream of a controlled cross...
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3975184 |
Method and apparatus for production of high quality powders
An electric arc which is struck between an electrode and the surface of a pool of molten material rotates under the influence of a magnetic field to thereby free liquid particles from the surface...
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3974245 |
Process for producing free flowing powder and product
Free flowing powders such as for flame spray applications are produced by agglomerating finely divided material, classifying the agglomerates to obtain a desired size range, entraining the...
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3963812 |
Method and apparatus for making high purity metallic powder
High purity metallic powder is made from high purity metallic rod by positioning the rod above a horizontally oriented, cooled and rotating electrode. An electric potential is applied between the...
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3171813 |
Production of semiconductor elements
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3119685 |
Method for melting metals
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3041672 |
Making spheroidal powder
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2876094 |
Production of refractory metals
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