Applied Materials just announced that the  Tandem junction SunFab Thin Film production line installed in Sunfilm’s Grossroehrsdorf factory has been certified and has achieved factory acceptance. The production line, the first of its type in the world, passed certification tests to produce solar modules at up to 8% efficiency. This milestone is important because tandem junction thin-film panels use 1/50th the amount of silicon per watt of electricity than traditional panels do. Using this technology … Read the rest