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Anti-scratch protection layer

Apr 22, 2017

Glass is natural scratch, but the vast majority of plastic is not. In order to solve this problem, manufacturers have developed a series of methods, in the lens surface coated with a layer of transparent and strong film. This type of film is composed of carbon-like carbon and polycrystalline diamond sintered body and other substances. Through the ionization process, in the lens surface to form a thin but very wear-resistant film.