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Tarnishing is a long-established challenge. Oxidation and corrosion cause discolouration of many metal surfaces, which decrease the shelf-life of products. The development of a new coating technology called "Pulsed Chemical Vapour Deposition (PCVD)" enables formation of uniform oxide thin films on articles such as watches, jewellery and coins of any shape and orientation. It provides an ultrathin and totally conformal anti-oxidation coating, which is also fully transparent. As compared to other ...

Booth 5K04 - City University of Hong Kong

Services & Digital Economy