US Patent Issued to D2S on Feb. 3 for "Routing non-preferred direction wiring layers of an integrated circuit by minimizing vias between these layers" (California Inventor)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,541,634, issued on Feb. 3, was assigned to D2S INC. (San Jose, Calif.).

"Routing non-preferred direction wiring layers of an integrated circuit by minimizing vias between these layers" was invented by Akira Fujimura (Saratoga, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some embodiments of the invention provide an integrated circuit (IC) that has a novel non-preferred direction (NPD) wiring architecture. In some embodiments, the IC includes a substrate and multiple wiring layers, which include a first set of one or more wiring layers with no preferred wiring directions, and a second set of one or more wiring layers with preferred wiring directi...