Robust Readout Circuit with Leakage Current Cancellation Technique for Stretchable Touch Sensors

Yamashita, Kaoru; Shimura, Tokihiko; Sato, Shunichi; Matsuhisa, Naoji; Ishikuro, Hiroki

doi:10.1109/icecs53924.2021.9665501

Cited by 2 publications

(2 citation statements)

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“…Our readout circuit can cancel the leakage current between electrodes caused by moisture in the air or from our body (Figure S12, Supporting Information). [34] The fabricated sensor could clearly sense the touch by a single finger and two fingers (Figure 3e,f and Movie Supporting Information). The touch sensing was successful under 30% strain (Figure S13, Supporting Information).…”

Section: Stretchable Transparent Sensor Arraysmentioning

confidence: 97%

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A High‐Resolution, Transparent, and Stretchable Polymer Conductor for Wearable Sensor Arrays

Shimura

Sato

Tominaga

et al. 2023

Adv Materials Technologies

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Arrays of stretchable and transparent electronic sensors realize next-generation skin-conformable wearables and soft robotic skins, which require a high-resolution patternable stretchable conductor. However, the difficulty of simultaneously engineering desirable material properties (i.e., conductivity, stretchability, and patternability) has limited the development of such stretchable electronic materials. Herein, a high-resolution patternable, stretchable, and transparent conducting polymer by decoupled engineering of the material properties is shown. The high conductivity of the conducting polymer is achieved by rationally designing an ionic additive. The high stretchability is realized by matching the mechanical properties of the conducting polymer to the substrate. The developed conducting polymer is then patterned in a resolution less than 10 μm by nanosecond UV laser ablation, which enables the feasible demonstration of stretchable and transparent sensor arrays for touch and strain. The findings in this work will accelerate the development of high-density stretchable sensor arrays and stretchable semiconductor devices.

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Section: Stretchable Transparent Sensor Arraysmentioning

confidence: 97%

“…Our readout circuit can cancel the leakage current between electrodes caused by moisture in the air or from our body (Figure S12, Supporting Information). [ 34 ]…”

Section: Stretchable Transparent Sensor Arraysmentioning

confidence: 99%