Stamm, Jacqueline ; Daume, Dominik ; Hartwig, Tobias ; Oschmann, Maximilian ; Schäfer, Julian ; Sauer, Hans Martin ; Dörsam, Edgar (2019)
Dynamic interferometric imaging of the thickness distribution of evaporating thin liquid films.
In: Journal of Coatings Technology and Research, 16 (6)
doi: 10.1007/s11998-019-00236-z
Artikel, Bibliographie
URL / URN: https://doi.org/10.1007/s11998-019-00236-z
Kurzbeschreibung (Abstract)
In functional printing, film homogeneity is a key criterion, but there are several phenomena leading to inhomogeneities. We shall focus on the solvent evaporation process of gravure-printed thin films. The best aspects of different published approaches are combined to create a new algorithm for optically determining the film thickness development. In this way, small structures as well as the overall thickness of large-area thin films can be tracked while drying. It becomes clear that the biggest challenge is balancing the camera resolution and frame rate to receive plausible and accurate results.
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