What are the properties of a good film? What are the influencing factors?
The common definition is that under normal conditions, its application function will not fail. To achieve this, the film must generally have strong adhesion, low internal stress, low pinhole density, strong mechanical properties, uniform film thickness, and sufficient chemical resistance. The characteristics of thin films are mainly affected by deposition process, film forming conditions, interface layer formation and substrate, and subsequent heat treatment also plays an important role.
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