A parylene-C based 16 channels flexible bio-electrode for ECoG recording

Lei Chun Chou, Shang Wei Tsai, Wun Lun Chang, Jin-Chern Chiou, Tzai-Wen Chiu

研究成果: Conference article同行評審

3 引文 斯高帕斯(Scopus)

摘要

Micro Electro Mechanical System (MEMS) technology is used in a bio-electrode for measuring electrocorticography (ECoG) signals in Sprague Dawley (SD) rats. The electrical signal in the rat brain is evoked by auditory stimulation and can be detected with newly developed bioelectrode sensors. A back-end system can record signals from eighteen positions. One signal was used as the ground signal, and one was used as the reference signal. The average results for 100 samples revealed the relationship between temporal resolution and spatial resolution of sixteen positions in the brain. The bioelectrode was fabricated with two parylene layers (10um, 1um) to cover the platinum metal wires. Oxygen plasma is used to etch the bioelectrode and to define a stable size and shape in production of batches of electrodes. To simplify implantation, the bioelectrode was designed to fit the curvature of SD rat head bones, and a special connector was used to transmit signals to the back-end system, which successfully recorded Auditory Evoked Potentials (AEP) signals after implant surgery.

原文English
文章編號6985140
頁(從 - 到)877-880
頁數4
期刊Proceedings of IEEE Sensors
2014-December
發行號December
DOIs
出版狀態Published - 12 十二月 2014
事件13th IEEE SENSORS Conference, SENSORS 2014 - Valencia, Spain
持續時間: 2 十一月 20145 十一月 2014

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