US Patent Issued to OERLIKON SURFACE SOLUTIONS, PFAFFIKON on May 27 for "Al-rich AlCrN coating layers produced by PVD from metallic targets" (Austrian, Swiss Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,672, issued on May 27, was assigned to OERLIKON SURFACE SOLUTIONS AG, PFAFFIKON (Pfaffikon, Switzerland).

"Al-rich AlCrN coating layers produced by PVD from metallic targets" was invented by Siegfried Krassnitzer (Feldkirch, Austria) and Marijana Mionic Ebersold (Dubendorf, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coating layer and a method for producing thereof, wherein the coating layer includes Al, Cr and N as main components according to formula (AlaCrb)xOyCzNq, where a and b are respectively the concentration of aluminium and chromium in atomic ratio considering only Al and Cr for the calculation of the element composition i...