Physical Vapor Deposition (PVD) is a technique used to deposit thin films of one atom (or one molecule) at a time onto various surf aces. often metal. to give them a hard durable coating. The source of the coating is physical that is a solid or liquid instead of chemical as in the alternative coating process of Chemical Vapour Deposition (CVD).PVD Coating Is An Environment Friendly Process That Provides Brilliant & Durable Decorative Finishes.