The samples used for our experiments were single walled carbon nanotubes (SWCNTs) fabricated by arc discharge method. The length and diameter of the SWCNTs in the form of ropes were measured about 2-4 μm and 10-15 nm, respectively. The CNT suspension was prepared with two different solvents such as ethanol and dimethylfloramine (DMF) and the dispersion of CNTs in the solution was obtained by proper sonication for several hours. The metal electrode consisted of finger patterns was defined on oxidized silicon substrate using UV lithography and lift-off technique followed by successive evaporations of Ti (30 nm) and Pt (70 nm) metals. The width of electrode finger and the spacing between two-neighbor electrodes were about 3 and 2 μm, respectively. Alignment experiments were conducted by dispensing a drop of CNT suspension onto metal patterns biased with a dc electric field. The applied dc voltage to the electrodes was varied from 0 to 20 V. The concentration of CNTs in the suspension was altered as 6.25 and 12.5 μg/cm3 in order to study the relative density of aligned CNTs on electrodes. The alignment was allowed to occur until the placed CNT-suspended ethanol was completely dried on the electrode patterns whereas the alignment duration for DMF based suspension was maintained as 30 min. The results of various ‘pipetting time’ after sonication of CNT suspension have also been investigated on the alignment nature.