Coatings for Microneural Implants: Electrical Considerations

Olczak, Kaitlynn P.; Otto, Kevin J.

doi:10.1007/978-981-16-5540-1_7

Cited by 1 publication

(1 citation statement)

References 135 publications

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“…Overall, the sputtering method can perform wafer‐level online modification on high‐density neural recording sites with high efficiency, but the impedance performance of the modified recording sites varies depending on the sputtering parameters and the positions on the wafer [72] . Therefore, there is ample room for optimization in achieving the high consistency of impedance performance of high‐density microelectrodes to improve the yield rate of a neural electrode array.…”

Section: High‐density Neural Recording Electrodesmentioning

confidence: 99%

High‐density implantable neural electrodes and chips for massive neural recordings

Wang,

Suo,

Wang

et al. 2024

Brain-X

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High‐density neural recordings with superior spatiotemporal resolution powerfully unveil cellular‐scale neural communication, showing great promise in neural science, translational medicine, and clinical applications. To achieve such, many design and fabrication innovations enhanced the electrode, chip, or both for biocompatibility improvement, electrical performance upgrade, and size miniaturization, offering several thousands of recording sites. However, an enormous gap exists along the trajectory toward billions of recording sites for brain scale resolution, posing many more design challenges. This review tries to find possible insight into mitigating the gap by discussing the latest progress in high‐density electrodes and chips for neural recordings. It emphasizes the design, fabrication, bonding techniques, and in vivo performance optimization of high‐density electrodes. It discusses the promising opportunities for circuit‐level and architecture‐level multi‐channel chip design innovations. We expect that joint effort and close collaboration between high‐density electrodes and chips will pave the way to high‐resolution neural recording tools supporting cutting‐edge neuroscience discoveries and applications.

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Section: High‐density Neural Recording Electrodesmentioning

confidence: 99%