US Patent Issued to FREEMELT on July 1 for "Additive manufacturing method and apparatus with beam dump" (Swedish Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,797, issued on July 1, was assigned to FREEMELT AB (Molndal, Sweden).

"Additive manufacturing method and apparatus with beam dump" was invented by Ulric Ljungblad (Molndal, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an apparatus and a method for an electron beam system for manufacturing a three-dimensional object by fusing successive layers of powder, said system having at least one lens for reshaping of said electron beam, an electron source and a powder bed, said method comprising the step: blocking a selected cross section of said electron beam for controlling the electron beam power. By interference bet...