Additive Manufacturing of Hybrid Circuits

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Abstract

There is a rising interest in developing functional electronics using additively manufactured components. Considerations in materials selection and pathways to forming hybrid circuits and devices must demonstrate useful electronic function; must enable integration; and must complement the complex shape, low cost, high volume, and high functionality of structural but generally electronically passive additively manufactured components. This article reviews several emerging technologies being used in industry and research/development to provide integration advantages of fabricating multilayer hybrid circuits or devices. First, we review a maskless, noncontact, direct write (DW) technology that excels in the deposition of metallic colloid inks for electrical interconnects. Second, we review a complementary technology, aerosol deposition (AD), which excels in the deposition of metallic and ceramic powder as consolidated, thick conformal coatings and is additionally patternable through masking. Finally, we show examples of hybrid circuits/devices integrated beyond 2-D planes, using combinations of DW or AD processes and conventional, established processes.

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APA

Sarobol, P., Cook, A., Clem, P. G., Keicher, D., Hirschfeld, D., Hall, A. C., & Bell, N. S. (2016, July 1). Additive Manufacturing of Hybrid Circuits. Annual Review of Materials Research. Annual Reviews Inc. https://doi.org/10.1146/annurev-matsci-070115-031632

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