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How often should you use matrix brass off mask?

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Open access•Posted Content•DOI Efficacy of face mask in preventing respiratory virus transmission: a systematic review and meta-analysis Mingming Liang, Liang Gao, Ce Cheng, Qin Zhou, John Patrick Uy, Kurt Heiner, Chenyu Sun - Show less +6 more 05 May 2020-medRxiv 39 Citations	Meta-analyses suggest that mask use provided a significant protective effect (OR = 0.35 and 95% CI = 0.24-0.51).
Journal Article•DOI Localized Ligand Induced Electroless Plating (LIEP) Process for the fabrication of copper patterns onto flexible polymer substrates Alexandre Garcia, Jérôme Polesel-Maris, Pascal Viel, Serge Palacin, Thomas Berthelot - Show less +4 more 07 Jun 2011-Advanced Functional Materials 77 Citations	In both cases, the mask was lifted off before the copper electroless plating step, which provides ecological benefits, since only the amount of copper necessary for the metallic patterning is used.
Journal Article•DOI Practical considerations in x‐ray mask mounting methodology D. L. Laird, M. F. Laudon, Roxann L. Engelstad - Show less +2 more 01 Nov 1993-Journal of Vacuum Science & Technology B 17 Citations	Small variations in mask flatness or mounting surface flatness should not make the mask unusable.
Journal Article•DOI Rapid and direct micro-machining/patterning of polymer materials by oxygen MeV ion beam irradiation through masks Sébastien Brun, G. Guibert, Cathy Meunier, Edouard Guibert, Herbert Keppner, S. Mikhailov - Show less +5 more 15 Oct 2011-Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms 8 Citations	As is demonstrated the use of a mask allows structuring of large areas while maintaining a distance between the mask and sample makes industrial applications possible.
Open access•Journal Article•DOI Effect of Surface Quality of Brass Coating Wire on Wire EDM Characteristics Akira Okada, Toshiyuki Yamauchi, Kimihiko Arizono, Yoshiyuki Uno - Show less +3 more 01 Jan 2008-Journal of Advanced Mechanical Design Systems and Manufacturing 17 Citations	As a result, the coated brass with copper content of 60-70% is effective and the thickness of coated brass is needed to be more than 1.45μm for high removal rate.

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