IEICE Transactions on Electronics
Online ISSN : 1745-1353
Print ISSN : 0916-8524
Special Section on Recent Advances in Photonics Technologies and Their Applications
CMOS-Based Optoelectronic On-Chip Neural Interface Device
Takashi TOKUDAHiroaki TAKEHARAToshihiko NODAKiyotaka SASAGAWAJun OHTA
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2016 Volume E99.C Issue 2 Pages 165-172

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Abstract

On-chip neural interface devices based on CMOS image sensor technology are proposed and demonstrated. The devices were designed with target applications to optogenetics in bioscience. Multifunctional CMOS image sensors equipped with an addressable on-chip electrode array were integrated with a functional interface chip that contained embedded GaInN light emitting diodes (LEDs) and electrodes to create a neural interface. Detailed design information regarding the CMOS sensor chip and the functional interface chip including the packaging structure and fabrication processes are presented in this paper. The on-chip optical stimulation functionality was demonstrated in an in vitro experiment using neuron-like cells cultured on the proposed device.

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© 2016 The Institute of Electronics, Information and Communication Engineers
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