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Ultrasoft Pit-Free Electrodes for High-SNR Neural Recordings

  • Ruiyu Bai
  • , Xuanqi Wang
  • , Xiaoli You
  • , Yong Yang
  • , Yu Zhang
  • , Quetao Yu
  • , Chenfei Cao
  • , Feng Yue
  • , Minghao Wang
  • , Yunlei Zhou
  • , Honglong Chang
  • , Bowen Ji
  • Northwestern Polytechnical University Xian
  • Hainan University
  • Hangzhou Dianzi University
  • Hangzhou Institute of Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

This paper reports an ultrasoft pit-free electrode array, aiming to reduce the 'electrode-tissue' distance during neural signal recordings. The pit-free electrode was obtained by the reversed fabrication processes of encapsulation-metal-substrate, which is different from the traditional substrate-metal-encapsulation sequence. The exposed metal electrode sites are coplanar with the polyimide encapsulation layer after released from silicon wafer. Besides, the pit-free electrode array is designed with serpentine shape and covered by mixed silicone on the back, so the array can be stretchable and conformal better with tissue surface. It has been proved in rabbit that the pit-free electrode can reduce the contact resistance and increase the signal noise ratio (SNR) during neural signal recordings.

源语言英语
主期刊名2026 IEEE 39th International Conference on Micro Electro Mechanical Systems, MEMS 2026
出版商Institute of Electrical and Electronics Engineers Inc.
502-505
页数4
ISBN(电子版)9798331572518
DOI
出版状态已出版 - 2026
活动39th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2026 - Salzburg, 奥地利
期限: 25 1月 202629 1月 2026

出版系列

姓名Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
ISSN(印刷版)1084-6999

会议

会议39th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2026
国家/地区奥地利
Salzburg
时期25/01/2629/01/26

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