ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,752, issued on Jan. 20, was assigned to Honeywell Federal Manufacturing & Technologies LLC (Kansas City, Mo.).
"Method of authenticating integrated circuits using electrical characteristics of physically unclonable functions" was invented by Daniel Ewing (Overland Park, Kan.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and apparatus for reading unique identifiers of an integrated circuit. The unique identifiers may be physically unclonable functions (PUFs), formed by high energy ions implanted into semiconductor material of the integrated circuit. The method may include electrically stimulating each of the PUFs and sensing measurable elec...