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Fig. 1
An illustration of the AJP technique. AJP, aerosol jet printing
Fig. 2
Schematics of generators: (A) ultrasonic and (B) pneumatic
Fig. 3
Exemplary measurement: (A) photo from digital microscope, (B) measurement of the droplets size, (C) cross section of the droplet from AFM, and (D) view from above from AFM. AFM, atomic force microscopy
Fig. 4
Images of the droplets below 1 μm from (A) SEM and (B) AFM. AFM, atomic force microscopy; SEM, scanning electron microscopy
Fig. 5
SEM images for pneumatic generator 1,800 mbar: (A) 6n ink, (B) 60n ink, (C) 600n ink, AFM images for ultrasonic generator 150 mbar, (D) 6n ultrasonic, (E) 60n ultrasonic, and (F) 600n ultrasonic. AFM, atomic force microscopy; SEM, scanning electron microscopy
Fig. 6
SEM image for pneumatic generator 1,800 mbar 6n ink. SEM, scanning electron microscopy
Fig. 7
Box plot of measured droplets for (A) ultrasonic generator and (B) pneumatic generator
Pressures used for the ultrasonic (a) and pneumatic (b) generator