ALEXANDRIA, Va., July 9 -- United States Patent no. 12,356,712, issued on July 8, was assigned to Apple Inc. (Cupertino, Calif.).
"Device structure for inducing layout dependent threshold voltage shift" was invented by Xin Miao (Saratoga, Calif.) and Emre Alptekin (Santa Clara, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Device layouts for integrated circuit devices that include threshold voltage shift induced by placement of alternate work function metals adjacent active gates are disclosed. The device layouts include a single epitaxy for active regions in the device with common source/drain regions among the active region rows in the layouts. Metal gate sections above one or more rows of active r...