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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Miller, Scott
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Topics
Publications (6/6 displayed)
- 2023Additive Printing of Wearable EDA Sensors on In-Mold Electronics on Automotive Platform
- 2022Effect of U-Flex-to-Install and Dynamic U-Flexing on Li-Ion Battery State of Health Degradation Subjected to Varying Fold Orientations, Folding Speeds, Depths of Charge, C-Rates, and Temperaturescitations
- 2022Multilayer Conductive Metallization With Offset Vias Using Aerosol Jet Technologycitations
- 2022Process-Recipe Development for Printing of Multilayer Circuitry With <i>Z</i>-Axis Interconnects Using Aerosol-Jet Printed Dielectric Viascitations
- 2020Process Capability of Aerosol-Jet Additive Processes for Long-Runs Up to 10-Hourscitations
- 2020Flexure and Twist Test Reliability Assurance of Flexible Electronicscitations
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article
Process-Recipe Development for Printing of Multilayer Circuitry With <i>Z</i>-Axis Interconnects Using Aerosol-Jet Printed Dielectric Vias
Abstract
<jats:title>Abstract</jats:title><jats:p>Flexible electronics is emerging as a new consumer-industry phenomenon. The promise of additively printed flexible electronics has sparked interest in a detailed understanding of the parameters and interactions of the printing process with the realized performance. Aerosol Jet printing technology has garnered increased interest, owing to a noncontact nature of print process and the high standoff allowing for printing on nonplanar surfaces. Prior efforts with aerosol-jet printing have focused on single-layer substrates. The current efforts focus on higher end printed circuit boards designs, which may need multilayers, with multilayer stacking of interconnections and z-axis connections through vias. The results presented in the paper attempt to address the need for process recipes for multilayer circuits and z-axis interconnects. Aerosol printing method has been shown to have wide compatibility with wide array of inks such as silver, copper, and carbon. Realization of high-volume scale-up of the process needs process recipes with statistical assessment of process stability and variance. In this paper, z-axis interconnects have been realized with the help of Aerosol printable silver ink and dielectric polyimide ink. The interaction of the sintering profile and the realized conductivity and shear load value of the printed conductive metal layers has been presented for each of the additional layers. Additive build-up processes may need successive exposure to temperature for the purpose of sintering. The downstream-printed conductive lines would undergo different sintering conditions and would then be tested for parameters such as interconnect resistance and shear load to failure. This paper explores the printing of multilayer up to eight conductive layers. Sintering profile for lower resistance per unit length and higher shear load to failure was tested.</jats:p>