Matches 1 - 29 out of 29


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US20080295294 PROCESSING OF FINE SILICON POWDER TO PRODUCE BULK SILICON  
A method for using substantial quantities of silicon powders as charge and processing it to produce a high quality silicon ingots suitable for photovoltaic use is disclosed. In a fused silica...
US20120311822 Solute crystallizing apparatus  
A solute crystallizing apparatus utilizing a solution having solute and a first solvent. A mixing unit for combining the solution and a second solvent which lowers the solubility of the solute. A...
US20110138581 CRYSTALLIZATION METHOD AND CRYSTALLIZATION APPARATUS  
A crystallization method includes: actually measuring a particle number of the crystals precipitated from the saturated solution and a concentration of the saturated solution, while cooling the...
US20150175431 METHOD TO PURIFY ALUMINUM AND USE OF PURIFIED ALUMINUM TO PURIFY SILICON  
The present invention provides a method of purifying aluminum, and/or use of the purified aluminum as a solvent metal to purify silicon.
US20080178433 Process for Selective Removal of Water and Impurities from N-(Phosphonomethyl)Glycine  
Processes for the preparation, concentration and recovery an N-(phosphonomethyl)glycine product from aqueous process streams including contacting mother liquor generated in the precipitation of...
US20050004172 Solid state forms of 5-(difluoro-methoxy)-2-((3,4-dimethoxy-2-pyridinyl)-methyl) sulfinyl]-1H-benzimidazole sodium aquo complexes  
The present disclosure relates to new solid-state forms of 5-(difluoromethoxy)-2-[[(3,4-dimethoxy-2-pyridinyl)methyl]su lfinyl]-1H-benzimidazole sodium aqua complexes, and to processes for their...
US20130247334 Crucible for Solidifying a Silicon Ingot  
The present invention relates to a crucible that can be used for solidifying a silicon ingot from molten silicon, characterized in that same is at least partially coated on the inner surface...
US20080115331 DEVICE FOR PARTICLE PRODUCTION  
The present invention relates to a device and a method for producing granulated material by melt crystallization having a nozzle prechamber for receiving a melt, having nozzles for producing...
US20110302963 METHOD FOR THE PRODUCTION OF SOLAR GRADE SILICON  
The present invention relates to a method for the preparation of solar grade silicon comprising crystallization of large high purity silicon crystals in a hyper eutectic binary or ternary alloy...
US20060157396 Production of ultra pure salt  
This invention relates to methods and installations for producing ultra pure sodium chloride salt crystals primarily for use in saturating depleted brine resulting from the electrolytic...
US20070214609 A method and an installation for determining characteristics representive of a physical and/or chemical transformation occuring in a microreactor  
The method comprises the steps of: establishing a flow of the medium under steady conditions through at least one region (6) of the microreactor; using analyzer means (11) to access the steady...
US20080311028 Assemblies of anisotropic nanoparticles  
Methods and compositions of matter are described for assemblies of anisotropic nanoparticles. A method, includes forming a substantially close packed dense layer by assembling a plurality of...
US20090049653 ETCHING SOLUTION REPRODUCING APPARATUS AND ETCHING SOLUTION REPRODUCTION METHOD  
This invention intends to enable silicon compound to be removed from waste etching solution at a high removal rate and waste etching solution to be recycled without disposing it. The etching...
US20080226529 PURIFICATION OF PHOSPHORIC ACID RICH STREAMS  
The invention relates to a method for the purification or recovery of orthophosphoric acid rich streams by suspension-based melt crystallization. The orthophosphoric acid is crystallized as the...
US20070287194 Screening For Solid Forms By Ultrasound Crystallization And Cocrystallization Using Ultrasound  
The present disclosure relates to crystallizing a chemical substance(s) using ultrasound. Methods are provided for screening a chemical substance according to its solid forms by using ultrasound...
US20120131766 Sheet Wafer Defect Mitigation  
A method of forming a sheet wafer melts feedstock material in a crucible that is part of a crystal growth furnace, and passes a plurality of filaments through the crucible to form a (un-separated)...
US20120137473 PROCESS FOR PRODUCTION OF MULTICRYSTALLINE SILICON INGOTS BY INDUCTION METHOD  
A process for the production of multicrystalline silicon ingots by the induction method comprises charging a silicon raw material into the melting chamber of a cooled crucible enveloped by an...
US20090000080 Solid Hollow Fiber Cooling Crystallization Systems and Methods  
A solid hollow fiber cooling crystallizer and method for crystallizing aqueous and organic solutions are provided. The solid hollow fiber crystallizer (SHFC) for carrying out cooling...
US20090028764 Continuous method for partially crystallising a solution and a device for carrying out said method  
The invention relates to a device for the partial crystallisation of a phase in a solution, comprising at least one pump for circulation of the solution in a circuit of a heat exchanger formed...
US20070220712 Process for Crystallising Amorhpous Plastic Granulates  
A process is disclosed for crystallising amorphous polymers whose Tg lies below the crystallite melting point. According to this process, amorphous or partially crystalline polymer grains are...
US20090076294 CONTROLLED NUCLEATION OF SOLUTES IN SOLUTIONS HAVING NET CHARGE TO PROMOTE CRYSTAL GROWTH  
This application is concerned with the controlled nucleation of solutes (i.e. dissolved solids) from solution. It has been found that the energy barrier for dissolved solids to nucleate is...
US20070289105 Antisolvent crystallization in porous hollow fiber devices and methods of use thereof  
Antisolvent crystallization systems and methods are provided that employ porous hollow fiber membranes. The porous hollow fiber membrane includes a plurality of porous hollow fibers positioned...
US20090119882 Firmly adhering silicon nitride-containing release layer  
The invention relates to a slip for producing a durable, firmly adhering release layer on a substrate, comprising a suspension of solid particles, wherein the solid particles comprise 67-95% by...
US20130239370 Heat Exchanger for a System for Solidification and/or Crystallization of a Semiconductor Material  
Heat exchanger (1) for a system for solidification and/or for crystallization of a semiconductor material, comprising a first member (2) and a second member (3), the first and second members being...
US20100252741 SOLUTION-GROWN CRYSTALS FOR NEUTRON RADIATION DETECTORS, AND METHODS OF SOLUTION GROWTH  
A method according to one embodiment includes growing an organic crystal from solution, the organic crystal exhibiting a signal response signature for neutrons from a radioactive source. A system...
US20120297580 METHOD AND DEVICE FOR OBTAINING A MULTICRYSTALLINE SEMICONDUCTOR MATERIAL, IN PARTICULAR SILICON  
A device for obtaining multicrystalline silicon, including: at least one crucible, removably housed in a cup-shaped graphite container; a fluid-tight casing, including a fixed bottom half-shell...
US20080268566 Method For Re-Crystallization Of Layer Structures By Means Of Zone Melting, A Device For This Purpose And Use Thereof  
The invention relates to a method for re-crystallization of layer structures by means of zone melting, in which, as a result of convenient arrangement of a plurality of heat sources, a significant...
US20080134471 Process and Apparatus For Carrying Out Crystallization  
The present invention is directed to a crystallization process and apparatuses for such processes. In a first aspect, the process of the invention comprises a step wherein a liquid comprising a...
US20050256314 Process employing controlled crystallization in forming crystals of a pharmaceutical  
A process is provided which employs reactive controlled crystallization to produce drug substance having desirable crystal properties which process involves providing reactants A and B in liquid...

Matches 1 - 29 out of 29