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Low-cost Ink-Jet printing for Electrical Functionalization of Rigid Substrate Materials

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Digital printing processes are gaining more and more interest as an approach to implement electrical functionality (conductive patterns, sensors etc.) on different types of substrate materials. Focusing on the inkjet-printing process, the paper presents results that were gathered with-in the research project “FKIA”, funded by the Bavarian Research Foundation. In the paper, the applicability of inkjet printing of silver nanoparticle ink on technical thermoplastics substrate materials commonly used in automotive applications such as glass fiber filled PA, but also on phenolic paper substrates (FR-2) is investigated. In this context, the influence of the surface roughness of the molding tool on the printing results was examined. Besides thermal sintering of nanoparticles, photonic sintering as one alternative approach is discussed. In addition, the long-term behavior of the produced conductor tracks was investigated. Parts were exposed to thermal cycling between −20°C and +100° for 1500 cycles. Besides the stability of the electrical properties also the mechanical stability of the metallic layers on the different substrates was compared with the findings prior to any exposure.
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Document Type: Research Article

Publication date: 2012-01-01

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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