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. 2012 Dec 11;3:1274. doi: 10.1038/ncomms2285

Figure 2. Scanning electron microscopy image of the micromachined tunable metamaterial.

Figure 2

(a) Overview of the unit cell array and comb drive. (b) Zoomed view of the Maltese-cross-shaped unit cell (the metal part is highlighted with false colour). The scale bars are 10 μm.