US Patent Issued to NIKON on March 24 for "Measurement of melt pool position in additive manufacturing" (Arizona, California Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,728, issued on March 24, was assigned to NIKON Corp. (Tokyo).

"Measurement of melt pool position in additive manufacturing" was invented by Eric Peter Goodwin (Oro Valley, Ariz.) and Zhi-Wei Lin (Belmont, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Detectors are situated along a tilted optical axis to receive optical radiation from a work surface. Variations in the received optical power are used to estimate a work surface positional along a work surface axis. The received optical power can be emitted from the work surface and an estimated temperature of the work surface used to adjust the received optical power. One or two single element...