BEOL Electro-Biological Interface for 1024-Channel TFT Neurostimulator with Cultured DRG Neurons
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866916503895408640 |
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| author | Zhou, Haobin Liu, Bowen Guo, Taoming Ma, Hanbin Jiang, Chen |
| author_facet | Zhou, Haobin Liu, Bowen Guo, Taoming Ma, Hanbin Jiang, Chen |
| contents | The demand for high-quality neurostimulation, driven by the development of brain-computer interfaces, has outpaced the capabilities of passive microelectrode-arrays, which are limited by channel-count and biocompatibility. This work proposes a back-end-of-line (BEOL) process for 1024-channel stimulator with bioelectrodes and waterproof encapsulation to stimulate dorsal root ganglion neurons. We introduce an active-matrix neurostimulator based on n-type low-temperature poly-silicon thin-film transistor, adding PEDOT:PSS and SU-8 as bioelectrodes and encapsulation. This enables precise stimulation of DRG neurons, addressing key challenges in neurostimulation systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_01834 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | BEOL Electro-Biological Interface for 1024-Channel TFT Neurostimulator with Cultured DRG Neurons Zhou, Haobin Liu, Bowen Guo, Taoming Ma, Hanbin Jiang, Chen Neurons and Cognition The demand for high-quality neurostimulation, driven by the development of brain-computer interfaces, has outpaced the capabilities of passive microelectrode-arrays, which are limited by channel-count and biocompatibility. This work proposes a back-end-of-line (BEOL) process for 1024-channel stimulator with bioelectrodes and waterproof encapsulation to stimulate dorsal root ganglion neurons. We introduce an active-matrix neurostimulator based on n-type low-temperature poly-silicon thin-film transistor, adding PEDOT:PSS and SU-8 as bioelectrodes and encapsulation. This enables precise stimulation of DRG neurons, addressing key challenges in neurostimulation systems. |
| title | BEOL Electro-Biological Interface for 1024-Channel TFT Neurostimulator with Cultured DRG Neurons |
| topic | Neurons and Cognition |
| url | https://arxiv.org/abs/2412.01834 |