A TACTILE SENSING ARRAY WITH TUNABLE SENSING RANGES USING LIQUID CRYSTAL AND CARBON NANOTUBES COMPOSITES

被引：0
|
作者：
Lai, Yu-Tse [1 ]
Kuo, Wen-Cheng
Yang, Yao-Joe [1 ]
机构：
[1] Natl Taiwan Univ, Taipei 10764, Taiwan
来源：
2011 IEEE 24TH INTERNATIONAL CONFERENCE ON MICRO ELECTRO MECHANICAL SYSTEMS (MEMS) | 2011年
关键词：
DISPERSIONS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This work presents the development of a novel pressure sensing array whose sensing ranges are tunable during operation. The sensing material comprises carbon nanotubes (CNT) dispersed in nematic liquid crystals (LC) composites. The sensing element consists of the LC-CNT composite, a deformable PDMS elastomeric structure, an ITO glass substrate and an ITO PET film. The sensing ranges can be tuned by varying the magnitude of the applied external field supplied by the array scanning circuitry. This capability of tunable sensing ranges can be employed for the applications which require different measurement ranges of forces, without the need of adjusting the dynamic ranges of sensor readout circuitry.
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页码：553 / 556
页数：4
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