ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,231, issued on July 7, was assigned to Oerlikon Surface Solutions AG, Pfaffikon (Pfaffikon, Switzerland).
"Al-rich AlTiN-based films" was invented by Denis Kurapov (Walenstadt, Switzerland), Siva Phani Kumar Yalamanchili (Sargans, Switzerland) and Anders Olof Eriksson (Chur, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention relates to a coating comprising at least one AlTiN-based film deposited by means of a PVD process, wherein the at least one AlTiN-based film deposited is comprising an Al-content-in relation to the Ti-content-in atomic percentage higher than 75%, and wherein the AlTiN-based film exhibits solely a crystallog...