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. 2021 Jan 15;33(1):013309. doi: 10.1063/5.0038562

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© 2021 Author(s)

Published under license by AIP Publishing.

1070-6631/2021/33(1)/013309/9/$30.00

All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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FIG. 1. — A gallery of original droplets (upper) and their corresponding residues (lower) indicating the various morphologies of residues formed. Single residues form by (a) non-pinning droplets evaporating on a coated glass surface, (b) pinned droplets evaporating on an uncoated glass surface, (c) film recoil of pinned droplets, and (d) contact pinned evaporation on stainless steel forming a large area of residue (marked by outline). Multiple residues form due to (e) roughness induced film breakup on a stainless steel surface (with arrows marking the individual residues) or (f) surface tension induced film breakup on a coated glass substrate.