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Three-Dimensional Touch Device with Two Terminals
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DOI：10.1002/adma.202305697.png)
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摘要
En 中文
A crossbar array is an essential element that determines the operating position and simplifies the structure of devices. However, in the crossbar array, wiring numerous electrodes to address many positions poses significant challenges. In this study, a method is proposed that utilizes only two electrodes to determine multiple positions. The method significantly simplifies the wiring and device fabrication process. Instead of defining the node location of the crossbar, it is experimentally demonstrated that the x-y-z coordinates can be determined from i) the resistance change as a function of distance, ii) the resistance variation influenced by the electrode composition, and iii) capacitance fluctuation resulting from changes in the dielectric thickness. By employing two-terminal transparent electrodes, a fully functional 3D touch device is successfully fabricated, introducing a groundbreaking approach to simplify input device architectures. Through the integration of resistor and capacitor elements with material composition gradients, 3D touch detection is enabled with only two terminal electrodes. Unlike conventional crossbar arrays, this approach provides full 3D input capability without being limited by wiring complexity. The measurement system represents a groundbreaking approach to simplifying the input device architecture to achieve large-area high resolution.image
Keyword:
3D touch
capacitive pressure sensors
gradient patterns
inkjet printing
two terminals
期刊
IF:
26.8
论文数:
3.5W
被引数:
46.0W
机构
引用论文
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