Braeuninger-Weimer, P., Heil, C., Holloway, B. C., Kresin, V. Z., Sawatzky, G. A. & Wolf, S. A., 13 Aug. 2020, IPC Nr. H01L 39/12, C01B 32/20, United States Patent Office, Patent Nr. USPTO 16/789143, 12 Feb. 2020
Jan, R., Giorgio, V., Eugenius, N. & Christopher, A., 19 Okt. 2016, IPC Nr. G01N 29/ 30 A I, Patent Nr. GB2537365, Prioritätsdatum 13 Apr. 2015, Prioritätsnr. GB20150006178