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The ink-jet printing is a noncontact technique for production electrically conductive structures, also on flexible substrates. The greatest challenge is the conductive material for printing — the ink, because it influences the parameters of printed structures. The structures are nonconductive just after the printing and to obtain good electrical conductivity, they need an additional energy, mainly...
In this paper the influence of photonic sintering process parameters on the resistance of ink-jet printed structures were examined. The sintering process was performed by delivering to samples an energy in the form of light pulses (1200 J per pulse). There was specified the factors which would have the most significant influence on the results (resistance of sintered structure) such as: distance between...
Conductive inks market for printable electronic grows rapidly last years. The main disadvantage of using inks filled with nano-Ag particles is sintering process, which often requires relatively high temperatures (over 180°C). This forces the use of expensive, high temperature substrates, for example polyimide foils. In some applications it is unacceptable to subject substrate to high temperature,...
Miniaturization trend in modern electronics needs high density interconnect technologies and new materials, like elastic foils as substrates. Packaging on both external or even internal layers of such substrates needs electrically connections between layers. It is usually done by holes filled by electrically conductive materials and named as microvias. In the paper the ink-jet printing technology...
Flexible electronics, which actual cover a significant part of electronic market, requires as low processing temperature as possible. Plastic foil type of substrates needs specific conditions for using it as a base of electronic circuits. For the practical production of printed electronics, one of important requirements is design the special type of inks with good printability and stability during...
Since the late eighties of the last century, digital ink-jet technology has been widely explored by the electronic industry in developing new manufacturing processes. Nowadays, ink-jet printing technology is increasingly being used to create the electrically conductive structures on flexible substrates. Ink for printing conductive microstructures is typically based on noble metals of nano-sized dimensions...
Very quick development of the new techniques for making printed circuits (R2R, Ink Jet) makes possible for using as a base substrate - flexible plastic foils. This solution are giving very strong requirements for printing process what is connected with substrate foils parameters. One of the most important problem is as low as possible processing temperature for obtaining electrical conductivity for...
The influence of nano silver filler content on properties of ink-jet printed structures for microelectronics were investigated. Samples were prepared by using ink with different nano silver filler content: 44 %, 41 % and 38 %. The electrical measurements were performed during and after heating process. It was shown, that filler content does not have a strong influence on sintering time, but it changes...
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