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Effective Thin Film Coating Basic Principles

There are two principal approaches to achieve this effect, namely Subtractive, or the Etch Back process; and Additive, or the Lift Off process. Subtractive, or the Etch Back process involves the coating of the entire surface, followed by the removal of select portions to form the desired pattern. Some sort of physical masking agent is […]

Thin Film Deposition Vacuum Process

Thin Film Deposition is a vacuum process that involves the application of coatings of pure materials over the surface of many different objects. The coatings or films typically have a thickness range of microns and angstroms and can be of single material or multiple materials in a layered structure. This article covers the basic principles […]