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Manipulation and Probing of 3D Printed Metal Microsprings in a Desktop SEM

3D printing has revolutionized the way to create microscale structures, enabling rapid prototyping and fabrication of complex architectures. But with smaller size come characterization and testing challenges. Here, Exaddon, Imina Technologies, and ThermoFisher Scientific show how micromanipulation and probing inside a desktop SEM enable quick and precise electrical characterization of microscale objects, such as microsprings.

Exaddon has 3D printed high-quality microsprings with contact area of 15 μm2 using their unique additive micromanufacturing CERES technology. The microsprings were electrically characterized with Imina Technologies’ in situ electrical probing solution, which provided fast and accurate information about microsprings’ electrical properties and helped to visualize spring compression. The experiment was conducted inside the ThermoFisher Scientific Phenom XL G2 desktop SEM. This SEM helped to navigate around the sample quickly and straightforwardly, and produced and high-resolution images of the microsprings in the process of manipulation.

Experiment realized in partnership with

Thermo Fisher Scientific


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Imina Technologies' application engineer shows a colleague how to land probes on nanoscale contacts for in-situ SEM transistor characterization.