ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,721,166, issued on Aug. 25, was assigned to Lenovo (Singapore) Pte. Ltd. (Singapore).

"Controlling an iron slurry in semiconductor assembly" was invented by Mark Summerville (Apex, N.C.), Thomas Annunziata (Raleigh, N.C.), Justin Michael Ringuette (Cary, N.C.), Mark Christopher Heidenfeldt (Apex, N.C.) and Sandy Collins (Durham, N.C.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate for electronic circuitry includes at least one magnet and a ferromagnetic liquid positioned in proximity to the one or more magnets. In an embodiment, the ferromagnetic liquid includes iron and gallium."

The patent was filed on Aug. 10, 2023, under Application No. ...