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Low-cost sensor tape for environmental sensing based on roll-to-roll manufacturing process

Author(s)
Gong, Nan-Wei; Wang, Chiu-Yen; Gong, Nan-wei; Paradiso, Joseph A
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Creative Commons Attribution-Noncommercial-Share Alike 3.0 http://creativecommons.org/licenses/by-nc-sa/3.0/
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Abstract
We describe the concept of fabricating low-cost sensor tape for fine-grid environmental sensing based on roll-to-roll manufacturing processes. We experiment with constructing sensors and electronic connections with low-cost conductive inkjet printed copper traces. Our first attempt is to fabricate humidity sensors by spin-coating conductive polymer on sensor substrates and integrating the design with an embedded system. The humidity sensor was tested in a two-point probe and exhibits the I-V profile of a diode. We demonstrated a working humidity sensor with an impedance variance of 30 kΩ from 99% to 58% RH within 300 seconds under a 1.4 volt bias.
Date issued
2012-10
URI
http://hdl.handle.net/1721.1/80401
Department
Massachusetts Institute of Technology. Media Laboratory; Massachusetts Institute of Technology. Responsive Environments Group; Program in Media Arts and Sciences (Massachusetts Institute of Technology)
Journal
2012 IEEE Sensors
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Gong, Nan-Wei, Chiu-Yen Wang, and Joseph A. Paradiso. “Low-cost sensor tape for environmental sensing based on roll-to-roll manufacturing process.” In 2012 IEEE Sensors, 1-4. Institute of Electrical and Electronics Engineers, 2012.
Version: Author's final manuscript
ISBN
978-1-4577-1767-3
978-1-4577-1766-6
978-1-4577-1765-9
ISSN
1930-0395

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