The glass-metal weld itself might be perfectly fine! The glass portion, however, could crack depending on its size/geometry and the temperature change. The ar

The glass-metal weld itself might be perfectly fine! The glass portion, however, could crack depending on its size/geometry and the temperature change. The article doesn't make clear exactly what kind of manufacturing operation they're intending. I suspect this is a technology to replace glue/epoxy in certain scenarios where one joins metal and glass.