ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,595, issued on July 21, was assigned to The MITRE Corp. (McLean, Va.).

"Digital lock-in for magnetic imaging with nitrogen vacancy centers in diamonds" was invented by Dmitro Jaroslau Martynowych (Cambridge, Mass.), David Allen Hopper (Philadelphia) and Sean Mitchell Oliver (McLean, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for measuring integrated circuit activity use the spatial resolution of optically detected magnetic resonance (ODMR) of nitrogen-vacancies (NV) in diamond. A quantum diamond microscope (QDM) can be used to capture a series of images of the fluorescence of NV centers present in diamond as a function of...