The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 09, 2014
Filed:
Jun. 03, 2013
Kennametal Inc., Latrobe, PA (US);
Volkmar Sottke, Mulheim/Ruhr, DE;
Hartmut Westphal, Dermbach/Rhon, DE;
Hendrikus Van Den Berg, BT Venlo-Blerick, NL;
Zhigang Ban, Latrobe, PA (US);
Yixiong Liu, Greensburg, PA (US);
Mark S. Greenfield, Greensburg, PA (US);
Kennametal Inc., Latrobe, PA (US);
Abstract
A method for making a coated article wherein the method includes the following steps: providing a substrate; and depositing an aluminum oxynitride coating layer from a gaseous mixture. The gaseous mixture contains the following components: 30.0-65.0 volume percent nitrogen, 0.7-1.3 volume percent aluminum tri-chloride; 1.0-2.0 volume percent ammonia, 0.1-1.5 carbon dioxide, 1.5-4.5 volume percent hydrogen chloride, optional components of carbon monoxide and/or argon, and hydrogen as the balance.