US Patent 7905942 Microwave purification process
Patent 7905942 was granted and assigned to SDCmaterials, Inc. on March, 2011 by the United States Patent and Trademark Office.
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A method of purifying a target powder having an oxygen content, the method comprising: flowing hydrogen gas through a microwave production chamber; applying microwaves to the hydrogen gas as the hydrogen gas flows through the microwave production chamber, thereby forming hydrogen radicals from the hydrogen gas; flowing the hydrogen radicals out of the microwave production chamber to the target powder disposed outside of the microwave production chamber; and applying the hydrogen radicals to the target powder, thereby removing a portion of the oxygen content from the powder. Preferably, the target powder is agitated as the hydrogen radicals are being applied.
US Patent 07905942 Microwave purification process US Patent 7905942 Microwave purification process
US Patent 07905942 Microwave purification process
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