Okay, so does this mean that chamber temperature is the main factor in color repeatability? I was told variations in surface appearance are due to eddies in the gas flow or variation in current density from different loads in the chamber. Is this correct, and what role does temperature play...
Hi there, I have PVD coating done by a company in Ontario that boasts full process control for repeatable thickness and properties, yet every time I get a batch of parts done by them the color is slightly different. What could cause this variation? ZrN coatings are sometimes a rich lemon...
