ALEXANDRIA, Va., July 7 -- United States Patent no. 12,677,428, issued on July 7, was assigned to International Business Machines Corp. (Armonk, N.Y.).

"Metal insulator metal capacitor (MIM capacitor)" was invented by Atsushi Ogino (Fishkill, N.Y.), Baozhen Li (South Burlington, Vt.), Dureseti Chidambarrao (Weston, Conn.) and Matthew Stephen Angyal (Stormville, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A MIM capacitor including a bottom metal layer on a substrate, a first contact window in the bottom metal layer; and a first dielectric spacer disposed within the first contact window on vertical sidewalls of the bottom metal layer, where the first dielectric spacer has a rounded upper surface, where...