Stainless Steel Barrier Multi-Arc Ion PVD Vacuum Coating Machine Physical Vapor Deposition, commonly abbreviated as PVD, refers to a category of coating processes conducted inside a high-vacuum chamber. The core principle involves transforming a solid material, the target, into a vapor phase and then condensing it onto the surface of a substrate, forming a thin, highly adherent film. Key PVD techniques include evaporation, where the target material is heated until it