Physical Vapor Deposition
PVD-physical vapor deposition: The transfer of atoms or molecules from source to the surface of a substrate by means of a physical process. Its role is to make some special properties (high strength, wear resistance, heat dissipation, corrosion resistance, etc.) of the particles sprayed on the performance of the matrix is lower, so that the matrix has better performance.
Basic METHODS of PVD: vacuum evaporation, sputtering, ion plating (hollow cathode ion plating, hot cathode ion plating, arc ion plating, reactive ion plating, radio frequency ion plating, dc discharge ion plating).
PVD technology is on the high technology content and ion plating technology is widely used, it has a uniform coating layer of dense, strong adhesion, good plating, sedimentary speed, low processing temperature, can be plated material characteristics such as wide (this chapter mainly elaborates PVD technology in stainless steel and copper plating surface epidural application of HC), is a better surface treatment engineering.
The coating process of PVD itself is a glow reaction under plasma field under high temperature and is also a high purification process. The main raw material of coating is titanium, which is the most compatible with human skin, making PVD products have pure environmental protection performance.
The PVD can make thousands of colors, even natural colors, almost all of them can be made by PVD. For example, gold series: European gold (2N18 and 1N14), Japanese gold (GY01), Chinese gold (GY2N), etc. Coffee series: dark coffee, light coffee, medium coffee, etc. Black series: gun color, gray, super black, etc. Fashion collections: Space, champagne, khaki, etc.
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