Abstract

Additively Printed Flexible electronics in wearable application may be subjected to twisting or flexing depending on the form factor and the location of use. There is a dearth of standards for testing and reliability assurance of flexible electronics and reliability data for various use conditions. In this paper, a test protocol has been developed for twisting and flexing on aerosol-jet additively printed flexible circuits. Test patterns with commonly used traces geometries have been developed, aerosol-jet printed, and thermally sintered at various conditions. Reliability data has been acquired under both twist and flex using resistance monitoring. Failure mechanisms have been studied for both deformation modes.

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