ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,707, issued on May 26, was assigned to AB Sandvik Coromant (Sandviken, Sweden).
"Coated cutting tool" was invented by Lars Johnson (Stockholm).
According to the abstract* released by the U.S. Patent & Trademark Office: "A coated cutting tool including a substrate and a coating is provided. The coating includes a nano-multilayer of alternating layers of a first nanolayer being Ti1-xAlxN, 0.35less than equal toxless than equal to0.70, and a second nanolayer being Ti1-yAlyN, 0.12less than equal toyless than equal to0.25. A sequence of one first nanolayer and one second nanolayer forms a layer period. The average layer period thickness in the nano-multilayer is less than equal to7 nm....