ALEXANDRIA, Va., June 17 -- United States Patent no. 12,315,651, issued on May 27, was assigned to UCHICAGO ARGONNE LLC (Chicago).

"Efficient bremsstrahlung converter" was invented by David Rotsch (Montgomery, Ill.), Jerry A. Nolen Jr. (Chicago), Jeongseog Song (Lisle, Ill.), Sergey D. Chemerisov (Lisle, Ill.), James L. Bailey (Hinsdale, Ill.) and Ronald T. Kmak (Homer Glen, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A converter for generating photons from an electron beam is provided. The converter may include a plurality of converter plates (i) positioned perpendicular to an axis and (ii) arranged sequentially in a direction along the axis from a first converter plate of the plurality of converter...