ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,511,463, issued on Dec. 30, was assigned to Apple Inc. (Cupertino, Calif.).

"Backside contacts for signal routing" was invented by Emre Alptekin (Santa Clara, Calif.) and Antonietta Oliva (Sausalito, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cell layout that may be implemented in FinFET devices or other FET devices is disclosed. The cell layout utilizes an isolation gate structure to provide routing between a signal input of an active gate and a backside metal layer. The isolation gate structure includes a metal fill surrounded by gate spacers. The metal fill connects between the topside layers in the device and the backside layer in the d...