Large area all-elastomer capacitive tactile arrays

P. Block, S. Bergbreiter
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引用次数: 4

Abstract

This work demonstrates the first low cost, allelastomer capacitive tactile arrays compatible with roll-to-roll manufacturing. A new manufacturing process has been developed in which elastomer sheets are covered with a stencil, spray coated with conductive elastomer on one or both sides, and stacked to create the sensor array. These arrays are highly flexible and can withstand large strains. Sensor costs are below $0.05/sensor in small quantities. The fabrication process results in a slightly curved sensor so the change in capacitance is highly nonlinear at low pressures, but approaches theoretical sensitivities of approximately 5 fF/kPa at higher pressures. Sensor resolution was measured to be less than 20 Pa and data taken from an array of sensors demonstrates the detection of multiple force contact points.
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大面积全弹性体电容触觉阵列
这项工作展示了第一个低成本,全弹性体电容式触觉阵列与卷对卷制造兼容。已经开发出一种新的制造工艺,在弹性体片上覆盖一层模板,在一侧或两侧喷涂导电弹性体,并堆叠以形成传感器阵列。这些阵列非常灵活,可以承受大的应变。小批量的传感器成本低于0.05美元/传感器。制造过程导致传感器略有弯曲,因此在低压下电容的变化是高度非线性的,但在高压下接近理论灵敏度约5 fF/kPa。测量到的传感器分辨率小于20 Pa,从传感器阵列中获取的数据表明可以检测到多个力接触点。
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