Class / Patent application number | Description | Number of patent applications / Date published |
075100130 | Electromagnetic wave energy (e.g., microwave, laser, etc.) | 17 |
20090013822 | Microwave treatment of minerals - A method and an assembly for treating minerals using microwave energy are disclosed. The method includes exposing a moving bed, preferably a mixed moving bed, of mineral particles to pulsed high energy microwave energy so that at least substantially all particles receive at least some exposure to microwave energy. | 01-15-2009 |
20100064849 | Method and Apparatus for Manufacturing High-Purity Alloy - The present invention provides a method and apparatus of the present invention disclose the electromagnetic induction heat device to heat a first metal mineral stone and a second mineral stone to form a melting mixture liquid without stirring. Keep a temperature of the melting mixture liquid between solidus and liquidus of binary alloy phase diagram of the first and second metal mineral stone, then an alloy with solid state precipitates from said melting mixture liquid. | 03-18-2010 |
20100242674 | High-Purity Ni-V Alloy, Target therefrom, High-Purity Ni-V Alloy Thin Film and Process for Producing High-Purity Ni-V Alloy - A high purity Ni—V alloy, high purity Ni—V alloy target and high purity Ni—V alloy thin film wherein the purity of the Ni—V alloy excluding Ni, V and gas components is 99.9 wt % or higher, and the V content variation among ingots, targets or thin films is within 0.4%. With these high purity Ni—V alloy, high purity Ni—V alloy target and high purity Ni—V alloy thin film having a purity of 99.9 wt % or higher, the variation among ingots, targets or thin films is small, the etching property is improved, and isotopic elements such as U and Th that emit alpha particles having an adverse effect on microcircuits in a semiconductor device are reduced rigorously. Further provided is a method of manufacturing such high purity Ni—V alloys capable of effectively reducing the foregoing impurities. | 09-30-2010 |
20100263482 | SEPARATOR AND CRUSHER OF MINERALS WITH MICROWAVE ENERGY AND METHOD THEREOF - One aspect provides for the separating of two or more joined materials by heating with microwaves, thereby producing differential thermal expansion of the materials. The pieces to be treated are exposed to microwave energy, producing differing rates of heating, and therefore expansion, of the differing materials making up the treated pieces of material. The differential thermal expansion of the differing materials will cause sufficient strain to separate the differing materials. Separation can be enhanced in some cases by following microwave heating with rapid cooling of the treated material. | 10-21-2010 |
20100263483 | SYSTEM AND METHOD FOR RECOVERING MINERALS - One aspect is a method of recovering minerals. The method includes heating aggregated minerals with microwave energy. The aggregated minerals consists of at least a first and a second mineral bound together, the first and second minerals each having different differential thermal expansion rates such that fractures occur between the minerals of the aggregated minerals. The fractured minerals are subjected to microwave heating to induce fractures between and separation of the at least first and second minerals, and also to ultrasound energy causing further size reduction. The fractured and size-reduced minerals are heated with microwave energy. The fractured and size-reduced minerals consist of metal-containing materials, such that metal-containing materials are heated to at least the melting temperature of one of the metals in the metal-containing materials. | 10-21-2010 |
20110041650 | NIOBIUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION - A niobium or niobium alloy which contains pure or substantially pure niobium and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a niobium alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the niobium alloy. | 02-24-2011 |
20110067524 | TANTALUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION - A tantalum or tantalum alloy which contains pure or substantially pure tantalum and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a tantalum alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the tantalum alloy. | 03-24-2011 |
20110126670 | METHOD FOR REFINING METAL - A method for refining a metal such that, after a base material derived from the metal is melted by being irradiated with an electron beam, the base material is refined by solidifying the base material which was melted, the method including: a step melting all of the base material by irradiating the electron beam over an entire surface of the base material loaded inside a water-cooled crucible placed inside a high vacuum atmosphere; a step gradually solidifying the base material which was melted from a molten metal bottom part of the base material which was melted toward a molten metal surface part at a side being irradiated by the electron beam by gradually weakening an output of the electron beam while maintaining a condition in which the base material which was melted is irradiated with the electron beam; and a step removing a molten metal part which is not solidified, after the base material which was melted is solidified to a certain percentage. | 06-02-2011 |
20110132142 | SILICON PURIFICATION METHOD - A silicon purification method includes a solidification purification step in which metal impurities are removed by irradiating a base material made of metallic silicon with an electron beam. The solidification purification step sequentially includes: preparing the base material to be purified at one time, loading a part of the base material into a water-cooled crucible, irradiating, with the electron beam, the entire area of the part of the loaded base material that is disposed under a high vacuum atmosphere, and thereby fully melting the part of the base material; gradually solidifying the molten part of the base material from a molten metal bottom thereof toward a molten metal surface thereof by gradually weakening an output of the electron beam so that the solidification proceeds until the solidifying portion occupies a first predetermined ratio of the total of the base material; further loading the remnant of the base material into the water-cooled crucible, and fully melting the remnant of the base material by irradiating the entire area of the remnant of the base material with the electron beam; gradually solidifying the molten metal portion from a bottom thereof toward a molten metal surface thereof by gradually weakening an output of the electron beam so that the solidification proceeds until the solidifying portion occupies a second predetermined ratio of the total of the molten metal portion; and removing an unsolidified molten metal portion. | 06-09-2011 |
20110192253 | METHOD FOR PURIFYING AL-TI-B ALLOY MELT - A method for purifying Al-Ti-B) alloy melt includes putting and melting industrial aluminum ingot in an electromagnetic induction smelting furnace, the melt of Al being covered by a high-temperature covering agent, and its temperature up to at about 670˜90° C.; adding material of K | 08-11-2011 |
20120031232 | Method and Apparatus For Coproduction of Pig Iron and High Quality Syngas - Combined microwave heating and plasma/electric arc heating is utilized in several processes and apparatus which involve co-production of pig iron and high quality syngas, biomass to liquid fuel production, coal to liquid fuel production, co-gasification of biomass and coal, municipal solid waste treatment, waste-to-energy (agriculture waste, ASR and PEF), EAF dust and BOF sludge treatment to recover zinc and iron, hazardous bottom ash vitrification, and bromine, chlorine and sulfur removal/recycling. | 02-09-2012 |
20120160058 | PHOTOREDUCTION PROCESSING METHOD OF THREE-DIMENSIONAL METAL NANOSTRUCTURE - In a method of producing a metal structure by photoreducing metal ion, a substance capable of suppressing growth of metal crystal is added to a medium in which metal ion is dispersed to prevent growth of the metal crystal produced by photoreduction of the metal ion, thereby processing resolution of a metal structure formed of the metal crystal is improved. | 06-28-2012 |
20130174694 | METHOD FOR RECYCLING NOBLE METAL FROM ELECTRONIC WASTE MATERIAL AND APPARATUS THEREOF - A method for recycling noble metals from electronic waste materials and apparatus thereof. The method comprises the following steps: mechanically breaking up the electronic waste materials; removing rubber and plastic materials by electrostatic separation; removing ferromagnetic metals by magnetic separation; removing residual rubber and plastic materials by microwave pyrolysis; removing low-melting-point metals by indirectly heating using microwave; separating the noble metals from one another in turn from low-melting-point metal to high-melting-point metal for recycle. The apparatus includes a microwave housing. A filtering screen is positioned on the inside wall of the housing horizontally, and vertically-arranged and open-ended heating pipes are positioned over the filtering screen. The method and apparatus can adequately recycle resources in the electronic waste materials. | 07-11-2013 |
20130305879 | Method and device for breaking up ore - The invention relates to methods and devices for breaking up ore. The methods and devices are characterised in particular in that ore mineral or ore minerals can be subsequently easily extracted. For this purpose coherent NIR radiation, non-coherent NIR radiation, at least one electric alternating field having a frequency greater than 300 GHz, at least one magnetic alternating field having a frequency greater than 300 GHz, at least one electromagnetic alternating field having a frequency greater than 300 GHz, or a combination thereof are respectively applied to the ore at least once by means of a device for generating the radiation, the at least one alternating field, or the radiation and the at least one alternating field, wherein ore mineral, ore minerals, absorbent components, or ore minerals and absorbent components of the ore absorb(s) energy from the radiation, the alternating field, or the radiation and the alternating field and said energy is not or is only slightly absorbed by the lode matter. Thus, advantageously, cracks are formed in the ore or the ore splits by means of the resulting stresses. | 11-21-2013 |
20150368754 | NIOBIUM BASED ALLOY THAT IS RESISTANT TO AQUEOUS CORROSION - A niobium or niobium alloy which contains pure or substantially pure niobium and at least one metal element selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, Mo, W and Re to form a niobium alloy that is resistant to aqueous corrosion. The invention also relates to the process of preparing the niobium alloy. | 12-24-2015 |
20160160313 | PROCESSES FOR PRODUCING TANTALUM ALLOYS AND NIOBIUM ALLOYS - Processes for the production of tantalum alloys and niobium are disclosed. The processes use aluminothermic reactions to reduce tantalum pentoxide to tantalum metal or niobium pentoxide to niobium metal. | 06-09-2016 |
20160160314 | APPARATUS AND METHOD FOR SEQUENTIAL MELTING AND REFINING IN A CONTINUOUS PROCESS - An apparatus and a method performable with the apparatus for sequential melting and refining of materials are proposed. The materials treated in the process are converted to a liquid state of matter by heat sources. The process is particularly suitable for treating metals, semimetals and ceramics, for example in order to produce alloys and/or to refine the materials. During the method, the material goes through various treatment chambers which enable treatment at different pressure levels. | 06-09-2016 |