ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,383,959, issued on Aug. 12, was assigned to Renishaw PLC (Wotton-Under-Edge, Great Britain).
"On-axis melt pool sensors in an additive manufacturing apparatus" was invented by John Dardis (Stroud, Great Britain), Ceri Brown (Plaisance-du-Touch, France) and Jonathan Mansell (Bristol, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of aligning an on-axis melt pool sensor in an additive manufacturing apparatus. The method includes scanning a first laser beam along a first scan path across a working surface using a first optical train to generate a melt pool along the first scan path and scanning a field of view of an on-axis sensor al...