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. 2014 Mar 25;9(1):145. doi: 10.1186/1556-276X-9-145

Figure 4.

Figure 4

Metallurgical microscope and SEM images of silver patterns and EDS analysis. Metallurgical microscope images of silver patterns: (a) inkjet-printed and (b) spray-coated patterns with 170°C post sintering and (c) spray-coated patterns with 170°C in situ sintering. SEM images of the morphology of spray-coated silver patterns based on 170°C post sintering (d) and in situ sintering (e) processes. (f, g) EDS analysis of the dark bulges and flattened area in (d, e), respectively.