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| Number | Title | Issue Date |
| 7976608 | Method and apparatus for manufacturing low melting point metal fine particles In a solder paste which is a mixture of a flux and low melting point metal particles, low melting point metal fine particles manufactured by a conventional method or apparatus therefor include particles having widely varying particle diameters. Accordingly, the sold... | 07/12/2011 |
| 7425299 | Lead-free solder balls and method for the production thereof Lead-free solder balls having a good surface appearance with no appreciable surface defects such as seams and shrinkage cavities comprises an alloy having a composition consisting essentially of about 4.0% to about 6.0% by weight of Ag, about 1.0% to about 2.0% by w... | 09/16/2008 |
| 7422619 | Process of 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... | 09/09/2008 |
| 7331498 | Method for refining and homogeneously distributing alloying partners and for removing undesirable reaction products and slags in or from soft solder during the production of fine solder powder Method for refining and homogeneously distributing alloying partners and for removing undesired reaction products such as oxides and/or slag in or from soft solder during the production of fine solder powder, in which the solder alloy is melted in a high temperature... | 02/19/2008 |
| 7297178 | Method and device for producing spherical metal particles The invention relates to a process and a device (1) for the production of spherical metal particles (2) from a melt (3). In order to produce droplets a melt jet (8) is subjected to vibrations and is led through at least one nozzle (7 | 11/20/2007 |
| 7217389 | Tungsten-containing articles and methods for forming the same Articles formed from powders containing tungsten and at least one binder. In some embodiments, the article contains at least one metallic binder. In some embodiments, the article contains at least one non-metallic binder, such as a polymeric binder. In some embodime... | 05/15/2007 |
| 7192649 | Passivation layer on aluminum surface and method thereof A protective passivation layer is formed on the surface of an aluminum mass, such as bare aluminum particles, creating a protected aluminum mass. Formation of the protective layer onto the aluminum mass may occur from an in-situ process. ... | 03/20/2007 |
| 7189278 | Method and apparatus for producing semiconductor or metal particles A method for producing semiconductor or metal particles comprises the steps of: storing a semiconductor or metal melt in a crucible having a nozzle; supplying a gas comprising at least one selected from the group consisting of He, Ne, Ar, Kr and Xe into the crucible... | 03/13/2007 |
| 7175684 | Prilling method A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable mixture; and prilling the shear-thinnable mixture wherein the prillin... | 02/13/2007 |
| 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 |
| 7097090 | Solder ball A solder ball is formed from an Sn—Pb alloy which consists essentially of about 2–65 mass % of Sn, 0–5 mass % of Ag, about 0.1–1 mass % of Sb, and 0.01–0.1 mass % of Cu, and 0.01–0.1 mass % of Bi, and a balance of Pb and incidental impurities. The solder... | 08/29/2006 |
| 7094370 | Method for the production of metal-carbon composite powders Metal-carbon composite powders and methods for producing metal-carbon composite powders. 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 ... | 08/22/2006 |
| 7059233 | Tungsten-containing articles and methods for forming the same Tungsten-containing articles and manufacturing processes for tungsten-containing articles. The articles may include firearms projectiles, such as shot, shot slugs, bullets, big game bullets, lead-equivalent bullets, black powder bullets, etc.; radiation shields; and... | 06/13/2006 |
| 7049540 | Process and apparatus for cutting or welding a workpiece A metal jet cutting system, which includes a jetting heat, a heater and a power source, is used for modifying a workpiece. The jetting head includes a crucible and an inlet for receiving a feed stock of a conductive material. The heater melts the conductive material... | 05/23/2006 |
| 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 |
| 7001543 | Apparatus and method for manufacturing semiconductor grains A crucible is formed of a cylindrical body member and a disk-shaped nozzle member fitted to the bottom portion of the body member, and the nozzle member is provided with a nozzle hole for discharging out a semiconductor molten solution dropwise therethrough. The sem... | 02/21/2006 |
| 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 |
| 6841099 | Method for the production of metal-carbon composite powders Metal-carbon composite powders and methods for producing metal-carbon composite powders. 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 ... | 01/11/2005 |
| 6770226 | Fine powders for use in primary and secondary batteries Fine battery powders and methods for producing fine battery powders. 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 powder precursors. T... | 08/03/2004 |
| 6676726 | Method and apparatus for manufacturing minute metallic sphere A manufacturing method of minute metallic spheres of the present invention comprises a heating means for heating and melting a metal to form a metallic sphere, a measurement means for measuring the injected molten metal into a predetermined volume, and a ... | 01/13/2004 |
| 6613124 | Method of making precision 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 ... | 09/02/2003 |
| 6579479 | Methods of forming a plurality of spheres; and pluralities of spheres The invention includes a method of forming a plurality of spheres. A passageway is provided, and the passageway terminates in an orifice. A liquid is flowed through the passageway and expelled through the orifice to form drops. The drops are then passed t... | 06/17/2003 |
| 6562099 | High-speed fabrication of highly uniform metallic microspheres In a high-speed fabrication process for producing highly uniform metallic microspheres, a molten metal is passed through a small orifice, producing a stream of molten metal therefrom. A series of molten metal droplets forms from the break up of the capill... | 05/13/2003 |
| 6517602 | Solder ball and method for producing same A solder ball having a diameter of 1.2 mm or less, a dispersion of a diameter distribution of 5% or less and sphericity of 0.95 or more, an area ratio of the maximum dendrite being 80% or less of a cross section including a center of the solder ball, comp... | 02/11/2003 |
| 6491737 | High-speed fabrication of highly uniform ultra-small metallic microspheres In a high-speed fabrication process for producing highly uniform ultra-small metallic micro-spheres, a molten metal is passed through a small orifice, producing a stream of molten metal therefrom. A series of molten metal droplets forms from the break up ... | 12/10/2002 |
| 6461403 | Apparatus and method for the formation of uniform spherical particles The present invention relates to an apparatus and method for the formation of nearly spherical particles, particularly for the formation of metal or metal alloy particles with an induced duplex microstructure. The present invention provides an atomization... | 10/08/2002 |
| 6458279 | Fuel filter and production process A fuel filter having a formulation of a stable intermetallic compound of materials such as tin and antimony. The filter may have an integral porous structure or may be in the form of particles. It removes trace metal ions such as Ca and Na ions.... | 10/01/2002 |
| 6432330 | Jet system for spherical shape devices A system and method for making very small (e.g., 1 millimeter diameter) spherical shaped devices is disclosed. The system includes a supply system for providing predetermined amounts of raw material into a chamber, which is used for melting the raw materi... | 08/13/2002 |
| 6423113 | Continuous fluid atomization of materials in a rapidly spinning cup Fine powders are made from molten metals and alloys on a continuous basis. A rapidly spinning shallow cup has an atomizing fluid such as water, oil or any other hydrocarbon supplied to the cup to form a thin sheet or layer which is distributed on the inne... | 07/23/2002 |
| 6290745 | Method and device for producing soft solder powder The invention relates to a method and device for producing soft solder powder without pressure, in particular for producing spherical fine metal particles having a grain size ranging from 1-100 microns and a liquidus temperature | 09/18/2001 |
| 6284015 | Method for producing mono-dispersed spherical granules The present invention relates to a method that comprises dispersing a stream of a melt flowing from a die by applying perturbations to said stream in an inert cooling gas which has an optimal temperature and is depleted of oxygen up to a value not exceedi... | 09/04/2001 |
| 6106614 | Method and apparatus for fabricating near spherical semiconductor single crystal particulate and the spherical product produced An apparatus and a method for producing single crystal semiconductor particulate in near spherical shape and the particulate product so formed is accomplished by producing uniform, monosized, near spherical droplets; identifying the position of an underco... | 08/22/2000 |
| 5922102 | Procedure for manufacturing zinc particles A procedure for making zinc particles of a size, shape and composition such that the particles can be subsequently used in a process for manufacturing zinc parts from such particles in either molten or powder form includes the initial step of heating zinc... | 07/13/1999 |
| 5846289 | Agglomerated anti-friction granules for plasma deposition A collection of agglomerated anti-friction grains for plasma deposition, the grains each consisting essentially of (a) H2 O atomized stainless steel particles, (b) solid lubricant particles consisting of at least one of boron nitride or a eutec... | 12/08/1998 |
| 5830257 | Manufacturing method for alumina-dispersed reinforced copper A manufacturing method for an alumina-dispersed reinforced copper alloy according to the invention is an improved method which is capable of manufacturing efficiently alumina-dispersed reinforced copper having both good electro-conductivity used for wire-... | 11/03/1998 |
| 5809393 | Sputtering target with ultra-fine, oriented grains and method of making same A sputtering target comprising a body of metal such as aluminum and its alloy with an ultrafine grain size and small second phase. Also described is a method for making an ultra-fine grain sputtering target comprising melting, atomizing, and depositing at... | 09/15/1998 |
| 5780755 | Sputtering target with ultra-fine, oriented grains and method of making same A sputtering target comprising a body of metal such as aluminum and its alloy with an ultrafine grain size and small second phase. Also described is a method for making an ultra-fine grain sputtering target comprising melting, atomizing, and depositing at... | 07/14/1998 |
| 5713981 | Composite shot High specific gravity, lead free shotshell pellets are produced by preparing an iron-tungsten alloy having a specific gravity of at least 8 g/cc, melting the alloy at a temperature of about 1550°-1760° C., pouring the melted alloy through at least ... | 02/03/1998 |
| 5653783 | Method of producing fine metal balls A method for efficiently and accurately manufacturing fine metal balls such as solder is provided. A liquid is poured into a vertically elongated cylindrical container, where the liquid is heated up to a temperature higher than the melting point of the me... | 08/05/1997 |
| 5593792 | Electrochemical heat source Electrochemical heat sources, materials used to make electrochemical heat sources and methods of forming electrochemical heat sources are disclosed. The electrochemical heat sources includes at least two metallic agents capable of interacting electrochemi... | 01/14/1997 |
