ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,746, issued on Nov. 25, was assigned to International Business Machines Corp. (Armonk, N.Y.).
"Early backside first power delivery network" was invented by Brent Anderson (Jericho, Vt.), Lawrence A. Clevenger (Saratoga Springs, N.Y.), Christopher J. Penny (Saratoga Springs, N.Y.) and Nicholas Anthony Lanzillo (Wynantskill, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A semiconductor structure and method of manufacturing a semiconductor structure having a front side and an opposing backside. An early power delivery network (EBPDN) of wires is built above a substrate layer. Buried power rails (BPRs) are built above levels of the PDN and connect...