ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,789, issued on Jan. 13, was assigned to Tekna Plasma Systems Inc. (Sherbrooke, Canada).
"Additive manufacturing powders with improved physical characteristics, method of manufacture and use thereof" was invented by Xavier Cauchy (Outremont, Canada) and Hakim Rahma (Magog, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "In additive manufacturing operations, powders used in stereolithographic processes need to be precisely spread out in a uniform fashion at every pass of the stereolithographic process to ensure predictability in powder surface morphology. Typically, this is difficult to achieve with conventional powders because often these powde...