ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,512,409, issued on Dec. 30, was assigned to Intel Corp. (Santa Clara, Calif.).

"Hybrid etch stop layers" was invented by Deepyanti Taneja (Happy Valley, Ore.), Travis W. Lajoie (Forest Grove, Ore.), Abhishek Anil Sharma (Portland, Ore.), Gregory J. George (Beaverton, Ore.), Tarannum Tiasha (Beaverton, Ore.), Huiying Liu (Portland, Ore.), Yue Liu (Portland, Ore.), Moshe Dolejsi (Portland, Ore.), Vinaykumar V. Hadagali (Portland, Ore.), Shardul Wadekar (Hillsboro, Ore.), Vladimir Nikitin (Portland, Ore.), Albert B. Chen (Portland, Ore.), Daniel J. Schinke (Portland, Ore.) and James O'Donnell (Portland, Ore.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A...