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Sensors 2012, 12(5), 6685-6694; doi:10.3390/s120506685
Article

Flexible Graphite-on-Paper Piezoresistive Sensors

1,2,* , 1,2
,
1,2
 and
1,2
1 Institute of Microelectronics, Tsinghua University, Beijing 100084, China 2 Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing 100084, China
* Author to whom correspondence should be addressed.
Received: 20 March 2012 / Revised: 3 May 2012 / Accepted: 14 May 2012 / Published: 22 May 2012
(This article belongs to the Special Issue Ultra-Small Sensor Systems and Components)
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Abstract

We demonstrate novel graphite-on-paper piezoresistive devices. The graphite was used as sensing component. The fabrication process can be finished in a short time with simple tools (e.g., a scissor and a pencil). A small array of six paper-based piezoresistive devices is made. The whole device is flexible. The test results showed that the change of resistance was proportional to the applied force. A paper-based weighing balance was also made as an example of applications. This novel array of paper-based piezoresistive devices will open wide applications in force and acceleration sensing areas.
Keywords: flexible; paper-based; graphite; piezoresistive devices flexible; paper-based; graphite; piezoresistive devices
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Ren, T.-L.; Tian, H.; Xie, D.; Yang, Y. Flexible Graphite-on-Paper Piezoresistive Sensors. Sensors 2012, 12, 6685-6694.

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