Patent ID: 8828492

Claim:
A method for making a coated article, the method comprising the steps of: providing a substrate; depositing an aluminum oxynitride coating layer from a gaseous mixture, the gaseous mixture comprising: nitrogen in an amount between about 30.0 volume percent and about 65.0 volume percent of the gaseous mixture; aluminum tri-chloride in an amount between about 0.7 volume percent and about 1.3 volume percent of the gaseous mixture; ammonia in an amount between about 1.0 volume percent and about 2.0 volume percent of the gaseous mixture; carbon dioxide in an amount between about 0.1 volume percent and about 1.5 volume percent of the gaseous mixture; hydrogen chloride in an amount between about 1.5 volume percent and about 4.5 volume percent of the gaseous mixture; carbon monoxide optionally in an amount between about 0 volume percent and about 2.0 volume percent of the gaseous mixture; argon optionally in an amount between about 0 volume percent and about 25 volume percent of the gaseous mixture; and hydrogen as the balance.