Table 1. Comparison of our work with earlier work by Drew [30].

Comparison Criterion	Drew [30]	Our work
Electrode Material	Silicon	Carbon fiber (grid) Stainless steel (emitter)
Total weight (μN)	98 μN (10 mg)	362.6 μ N (37 mg)
Thrust at 0.048 W (μN)	200 μN	675 μN
thrust-to-weight ratio at 0.048 W	2.04	1.86
Assembly time in minutes	30	15
Clean-room facility	Required	Not required