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. 2021 May 31;14(11):2973. doi: 10.3390/ma14112973

Figure 3.

Figure 3

Advanced flexographic printing techniques. (a) Diagram of a standard flexographic printer to illustrate the key operating principles. (reproduced under creative commons license CC BY-SA 4.0). (b) Scanning electron microscope images of a CNT array (100 μm pillar diameter, 150 μm height) used for high-resolution flexography, and close-up top and side surfaces of a micropillar (reproduced with permission from Langmuir (2019), 35, 24, 7659–7671. Copyright 2019, ACS). (c) Simplified schematic of ink transfer from carbon nanotubes (CNTs) micropillar stamp loaded with ink. (reproduced with permission from Langmuir (2019), 35, 24, 7659–7671. Copyright 2019, ACS).