一款带有片上微电极阵列和集成柔性天线的0.43克无线无电池神经记录器。
A 0.43 g Wireless Battery-Less Neural Recorder With On-Chip Microelectrode Array and Integrated Flexible Antenna.
作者信息
Shan Hengying, Peterson John, Conrad Nathan J, Tang Yu, Zhu Yuhang, Ghotbi Shabnam, Hathorn Sutton, Chubykin Alexander A, Mohammadi Saeed
机构信息
Purdue University, West Lafayette, IN 47907 USA; Amazon Lab126 in Sunnyvale, CA 94089, USA.
Purdue University.
出版信息
IEEE Microw Wirel Compon Lett. 2022 Jun;32(6):772-775. doi: 10.1109/lmwc.2022.3167311. Epub 2022 May 2.
Abstract
This work presents a single-chip battery-less neural recorder with 12 on-die microelectrodes. It can be powered wirelessly up to 16 cm away from a horn antenna at 915 MHz and only consumes 104 W dc power for accessing 10 enabled recording sites simultaneously, transmitting at 5 Mbps. The implantable device integrated with a flexible antenna weighs only 0.43 gram. In vivo measurements on an unrestricted mouse have been successfully conducted, showing response to visual stimuli.
摘要
这项工作展示了一款带有12个片上微电极的单芯片无电池神经记录器。它可以在距离915 MHz的喇叭天线16厘米远的地方进行无线供电，并且在以5 Mbps的速率同时访问10个启用的记录位点进行传输时，仅消耗104 μW的直流功率。集成了柔性天线的可植入设备重量仅为0.43克。已经成功地在一只自由活动的小鼠上进行了体内测量，显示出对视觉刺激的反应。
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