Paper is often considered for electronics as a simple, recyclable, low-cost substrate while its
material characteristics and physical properties are mostly overlooked. In this seminar, it will be
shown that there is more to paper than meets the eye. A systematic study of the physical
properties of various paper types and of the characteristics of the fabrication methods to deposit
and pattern electrical conductors on paper will be presented. These results enable the selection of
optimum substrate materials and optimum fabrication methods for a given application. Examples
of paper based electronic devices including touch pads based on interdigitated electrodes and
transmission lines will be presented. Water absorbed from air has a significant effect on the
characteristics of paper-based devices and the results of an investigation into this hygroscopic
behavior of paper will be presented.

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