ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,727,472, issued on Sept. 1, was assigned to INTERNATIONAL BUSINESS MACHINES Corp. (Armonk, N.Y.).

"Tapered antifuse" was invented by Ashim Dutta (Clifton Park, N.Y.), Chih-Chao Yang (Glenmont, N.Y.) and Shravana Kumar Katakam (Lehi, Utah).

According to the abstract* released by the U.S. Patent & Trademark Office: "A antifuse structure including a first metal sidewall spacer and a second metal sidewall spacer arranged on opposite sides of a tapered dielectric pedestal, and a fuse dielectric on top of the tapered dielectric pedestal and between the first metal sidewall spacer and the second metal sidewall spacer."

The patent was filed on Sept. 18, 2023, under Application No. 18/468,75...