Improvement of Lighting Uniformity and Phosphor Life in Field Emission Lamps Using Carbon Nanocoils

Figure 2

SEM images of MWCNT cathode filaments grown for various periods of time: (a) 5, (b) 8, and (c) 10 min and CNC cathode filaments grown for various periods of time: (d) 10, (e) 20, and (f) 30 min.

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