ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,715, issued on Dec. 23, was assigned to ADDUP (Cebazat, France).
"Method for detecting defects in an additive manufacturing powder layer deposited on a working area" was invented by Raphael Vernet (Cebazat, France), Pascal Belaubre (Cebazat, France) and Sebastien Devroe (Cebazat, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting defects in a layer of additive manufacturing powder deposited on a work zone, comprises the steps of: i. acquiring an image of a layer of additive manufacturing powder, ii. determining a discrete spectral representation of the image acquired, iii. filtering the discrete spectral representation of t...