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Ferrari, A. |
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Schimpf, Christian |
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Dunser, M. |
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Thomas, Eric |
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Gecse, Zoltan |
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Tsrunchev, Peter |
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Della Ricca, Giuseppe |
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Cios, Grzegorz |
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Hohlmann, Marcus |
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Dudarev, A. |
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Mascagna, V. |
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Santimaria, Marco |
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Poudyal, Nabin |
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Piozzi, Antonella |
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Mørtsell, Eva Anne |
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Jin, S. |
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Noel, Cédric |
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Fino, Paolo |
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Mailley, Pascal |
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Meyer, Ernst |
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Zhang, Qi |
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Pfattner, Raphael | Brussels |
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Kooi, Bart J. |
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Babuji, Adara |
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Pauporte, Thierry |
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Wirth, I.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (5/5 displayed)
- 2012Fabrication of soft gold microelectrode arrays as probes for scanning electrochemical microscopycitations
- 2010Surface biofunctionalization and production of miniaturized sensor structures using aerosol printing technologiescitations
- 2008INKtelligent printing of nanoscaled inks for electronic applications
- 2008INKtelligent printing of metal and metal alloys for sensor structures
- 2004microSINTERING - ein neues Verfahren der Mikrobearbeitung
Places of action
conferencepaper
INKtelligent printing of metal and metal alloys for sensor structures
Abstract
6 S. ; INKtelligent printing denotes the fabrication of functional structures, e.g. conductive paths and sensor structures, with the help of maskless printing technologies like inkjet and aerosol printing. The main objective for this research is a surface or component with improved performance due to better and new properties like crack detection or temperature measurement. The application areas for INKtelligent printing are multifaceted comprising automotive, aerospace and life science. An important requirement for the use of printing technologies is the availability of a suitable base material, in this case a suspension containing nanosized particles, so called functional ink. Such inks can be printed on planar and even non-planar surfaces with resolutions down to ten microns or even below. The printing process is followed by a thermal treatment e.g. in a furnace or with a laser to achieve dense functionalized structures. This paper highlights the development and processing of metal inks based on Ag and a Cu/Ni alloy. Both materials are fabricated with a physical sputter process called Vacuum Evaporation on Running Liquids (VERL) technology where particles are directly sputtered into fluids. Among the fabrication process the printing on different surfaces with an aerosol printing technology called M3D (Maskless Mesoscale Material Deposition) as well as different sintering methods of Ag and Cu/Ni structures are demonstrated. Results are discussed in view of possible use for sensor applications. Nanosized Ag ink produced by the VERL process could be successfully printed by using the M3D technology. Electrical characterization of printed and sintered structures shows low resistivity down to twice the bulk value. Furthermore metal alloy ink (Cu/Ni) could be successfully developed and printed. Both materials are interesting for sensor structures like strain gauges or temperature sensors. Especially Cu/Ni alloy offers advantages as sensor material due to its small temperature coefficient.