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. 2019 Dec 27;9:20215. doi: 10.1038/s41598-019-56711-5

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Laser welding results obtained with a sample translation velocity of 2 mm/s: (a) cross-section and top view of the weld seams generated at the glass-glass interface using different values of average power, (b) width, (c) height, and (d) area of HAZ from (a). Datasets used to plot these graphs are in the Supplementary Materials (see Table S2). A 0.5 mm thick glass plate on a 1.1 mm thick glass plate is shown in (e) after pre-bonding and (f) after welding, using P = 2.75 W and v = 2 mm/s. Weld seams in the form of parallel lines were generated at the glass-glass interface, covering the whole area of glass. The distance between the lines is 0.5 mm.