A R PVD COAT

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How Does PVD Work?

As encapsulated in the term physical vapour deposition, the PVD process works as follows: a metal or other solid material is vaporised by physical means and then deposited onto the substrate material. This is in contrast to chemical vapour deposition (CVD), where the precursors are vaporised by heat. In addition to that, PVD is operating in temperature between 50 to 600°C. Where CVD mostly works in temperature between 800 and 1000°C.

In the PVD process, the metal vapour is transported through a vacuum and condensed on a substrate. This causes the deposition of a thin film. The resulting PVD coatings are metallic or ceramic, and form hard, dense protective layers on the products loaded into the PVD system. The coatings are very thin, much less than the thickness of a hair, and can be created in many appealing colours. The combination of aesthetic value and wear protection make PVD coatings increasingly popular for many products in daily life.