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. Author manuscript; available in PMC: 2020 Jan 16.
Published in final edited form as: IEEE Trans Biomed Circuits Syst. 2018 Jul 16:10.1109/TBCAS.2018.2852267. doi: 10.1109/TBCAS.2018.2852267

Fig. 4.

Fig. 4.

Schematic diagram of the μLED optoelectrode. The insets show (bottom left) SEM image of the tip of a shank of the fabricated optoelectrode with coloring for visualization and (top right) the cross-section of the optoelectrode [19]. Modified from [20].