Microscale additive manufacturing and modeling of interdigitated capacitive touch sensors
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- 作者：Md Taibur RahmanaAuthor Vitae ; Arya RahimibAuthor Vitae ; Subhanshu Guptab ; sgupta@eecs.wsu.edu" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Rahul Panata ; rahul.panat@wsu.edu" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae
- 关键词：Aerosol Jet printing ; Printed electronics ; 3-D printing ; Wearable devices ; Touch sensor ; Electrostatic field simulations ; Interdigitated capacitor ; RC time constant
- 刊名：Sensors and Actuators A: Physical
- 出版年：2016
- 出版时间：1 September 2016
- 年：2016
- 卷：248
- 期：Complete
- 页码：94-103
- 全文大小：3575 K
文摘
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Demonstration of capacitive touch sensors by Aerosol Jet based additive printing with feature sizes down to 45 μm.
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Manufacturing innovation allowing highly sensitive touch sensors with native capacitance of a 1–5 pF and capacitance gradation in hundred fF range.
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Characterization of manufacturing variability and its effect on sensor capacitance.
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3D electromagnetic simulations that establish electric field distribution to enable predictive sensor design.
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Results provide a generic simulation tool of touch sensor design in IoT devices and systems.