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Influence of Bending on Resistance of Screen Printed Conductive Structures

Autoři: Petruf Kristián | Mikala Ondřej | Syrový Tomáš | Němec Petr

Rok: 2014

Druh publikace: ostatní - přednáška nebo poster

Strana od-do: nestránkováno

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
eng	Influence of Bending on Resistance of Screen Printed Conductive Structures	Printed electronics is a quickly emerging part of printing industry which provides many opportunities for new applications. Nowadays, the most used functional layers in the area of printed functionalities are usually based on materials with high conductivity. By printing techniques, it is possible to fabricate such conductive layers on different printing substrates. In this work, paper based materials are used as flexible printing substrates. The study provides the comparison of behaviour of printed conductive layers (based on silver) deposited onto paper substrates of different ream weights by screen-printing. The performance of the conductive layer is strongly influenced by surface properties of the paper (roughness, surface free energy, porosity and closure of surface, etc.). Four coated paper substrates were used for testing the influence of bending of conductive structure to electric resistance. Results show that lowering or increasing of layer’s resistance is dependent on the bending extent and bending direction too. The relative change of resistance of printed structures depends also on the width of the printed line. Thinner lines exhibit larger changes in resistance than the broader ones. To conclude, this study presents results for selected basic properties of conductive layers printed on flexible paper substrates and their dependence on its native property – flexibility.	conductivity, resistance, silver conductive layer, screen-printing, paper, bending

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