The diamond-like term reflects that the film (coating) contains some portion of sp3 (diamond) and sp2 (carbon) bonding. This bonding has mechanical properties of the film different to the properties of a diamond. The diamond-like carbon (DLC) is an amorphous carbon material that displays some of the typical properties of a diamond. It is a thin film coating deposited on other materials to impart 1 Posted via Industry Today. Follow us on Twitter @IndustryToday