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Nano Convergence
Fig. 3 | Nano Convergence

Fig. 3

From: Rapid and conformal coating of polymer resins by airbrushing for continuous and high-speed roll-to-roll nanopatterning: parametric quality controls and extended applications

Fig. 3

Morphology difference depending on the airbrushed resin amount: line continuity. SEM images of R2R NIL-fabricated 700 nm-period nanograting patterns on the airbrushed SSQ resin films at lowered pressure of 0.075 MPa with different concentrations and airbrushing times of a 5 wt% and 1 s, b 5 wt% and 3 s, and c 10 wt% and 1 s, respectively. The discontinued lines are observed in a as the insufficient resin dewets on the substrate surface upon UV curing. The inset to a shows an enlarged SEM image of the cross-section indicating a near-zero RLT. The increased amount of resin either by increasing the airbrushing time (b) or resin concentration (c) results in continuous nanograting under the identical R2R NIL condition

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