Article | May 19, 2023

Build-To-Print Services For Thin Film Circuit Design And Construction

Knowles - build to print design construction

As the name implies, “thin film” is a precisely deposited layer of material used to fabricate electronic components. “Thin” can mean as little as a fraction of a nanometer thick. Circuits constructed with thin film are used in a wide range of electrical and optical applications, but they are most advantageous when high-frequency performance, tight tolerances, thermal conductivity, and long-term reliability are paramount concerns. Particularly in the high-frequency microwave space, small size, line definition, and repeatable construction offer significant performance benefits.

The thin film construction method accommodates dense lines and spaces, a wide range of highly polished, flat substrate materials, and predictable outcomes. To ensure precise process control and uniformity, circuit manufacturing leverages sputtering, a reliable physical vapor deposition process. For optimal performance, each circuit is built on a ceramic or crystalline substrate that’s selected on an application-by-application basis. 

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