ALEXANDRIA, Va., June 9 -- United States Patent no. 12,285,631, issued on April 29, was assigned to UNM Rainforest Innovations (Albuquerque, N.M.).

"Adjustable multi-slit collimators" was invented by Richard Shaw (Albuquerque, N.M.) and Shuang Luan (Albuquerque, N.M.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The transverse intensity distribution of a beam of x-rays or other radiation can be modulated with a multi-slit collimator device that includes one or more sets of collimator leaves arranged in a one-dimensional array and individually movable to form slits of variable width between pairs of adjacent collimator leaves. A two-dimensional intensity distribution may be achieved using multiple sets of on...