Sunfilm AG of Grossroehrsdorf, Germany, a photovoltaic module developer, and Applied Materials Inc. of Santa Clara, Calif., a nanomanufacturing technology solutions provider, have announced that the first tandem junction SunFab thin-film line has been installed at the German company’s Grossroehrsdorf facility. The line passed final acceptance test certification to verify that it has met specifications for producing solar photovoltaic modules with efficiencies of up to 8 percent, as well as yield and overall annual capacity specifications. The line has begun volume production.