Blesq Diamonds
28 February 2020

CVD Process

We’d like to share our passion and expertise for diamonds with you, which is why we’ve created the Blesq diamonds blog – read on for gripping tales and exciting news about the most precious gemstone on Earth.

The chemical vapor deposition process, next to the HPHT process, is a second possibility to producing synthetic diamonds but mainly used for coating. Two primary techniques are used: one is based on a high temperature (Hot Filament CVD); the other being the chemical reaction plasma enhanced (PECVD) method.

In both, methane and hydrogen are introduced into a vacuum chamber, where the methane serves as a carbon source. It is then activated either with temperatures of more than 2000 °C or a plasma that is ignited.

This results in a reaction which ensures that the coating element enters into a connection with the surface to be coated. Diamond coatings are particularly popular with saws, milling machines and drills, as they are the hardest material in the world and allow extremely tough materials to be processed.

You will find what you are looking for with our Blesq investment diamonds for an investment that is as resilient as it is mobile, but has been naturally created.