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1篇 您的检索式:作者名="Israel Gabay"
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1Dynamic control of high-voltage actuator arrays by light-pattern projection on photoconductive switches显示文摘The ability to control high-voltage actuator arrays relies, to date, on expensive microelectronic processes or on individual wiring of each actuator to a single off-chip high-voltage switch. Here we present an alternative approach that uses on-chip photoconductive switches together with a light projection system to individually address high-voltage actuators. Each actuator is connected to one or more switches that are nominally OFF unless turned ON using direct light illumination. We selected hydrogenated amorphous silicon (a-Si:H) as our photoconductive material, and we provide a complete characterization of its light to dark conductance, breakdown field, and spectral response. The resulting switches are very robust, and we provide full details of their fabrication processes. We demonstrate that the switches can be integrated into different architectures to support both AC and DC-driven actuators and provide engineering guidelines for their functional design. To demonstrate the versatility of our approach, we demonstrate the use of the photoconductive switches in two distinctly different applications—control of µm-sized gate electrodes for patterning flow fields in a microfluidic chamber and control of cm-sized electrostatic actuators for creating mechanical deformations for haptic displays.Vesna Bacheva Amir Firouzeh Edouard Leroy Aiste Balciunaite Diana Davila Israel Gabay Federico Paratore Moran Bercovici Herbert Shea Govind Kaigala 2023Microsystems & Nanoengineering2023,9,3:0
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