Laser-Welded Steel Foils with Sapphire Substrates
Araceli de Pablos-Martín, Christian Grosse, Andreas Cismak, Thomas Höche
Fig. 1 Schematic of setup. a Sample consisting in two sapphire substrates (light gray) and the stainless steel foil (dark gray). b The laser beam is focused at the upper sapphire/stainless steel interface. c At the end of the laser process, the bottom sapphire is easily removed and only the upper sapphire remains bonded with the steel foil (for clarity, the sample holder is not shown)