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. 2015 Sep 1;593(Pt 17):3789–3804. doi: 10.1113/JP270902

Figure 2.

Figure 2

Schematic diagram of the microfabrication process for development of the thin-film electrode structure

Two layers of metal are sandwiched between two layers of polyimide. The polyimide is then opened on the top side to expose the electrode sites.