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. 2020 Apr 29;11(5):467. doi: 10.3390/mi11050467

Figure 4.

Figure 4

Photographs of the fabricated 3D microelectrode array: (a) top view of the array in a dimension of 4.4 mm × 3.8 mm and (b,c) its side views showing (b) the topside containing stimulating electrode sites and (c) the backside containing the connection pads. The scale bars are 1 mm.