Two factors that greatly affect the [relevant-to-adsense type=”start”]thin film coating[relevant-to-adsense type=”stop”] quality during deposition are pressure and temperature. The first published work in this area was carried out by Movchan and Demchishin and is known as the Structure Zone Model (SZM). This model was subsequently built upon by other researchers. The present day model is shown above. [CMN V2, Issue 3 1992].