ALEXANDRIA, Va., April 15 -- United States Patent no. 12,604,538, issued on April 14, was assigned to CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP Co. LTD. (Bengbu, China) and TRIUMPH SCIENCE & TECHNOLOGY GROUP Co. LTD. (Beijing).
"Layer stack for thin-film photovoltaic modules and preparation method thereof" was invented by Yilei Shen (Munich) and Torben Klinkert (Munich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A layer stack for thin-film photovoltaic modules includes a back electrode, an absorber, a buffer/i-layer, a front electrode and an interlayer which are sequentially stacked on a corresponding substrate from bottom up by vacuum coating deposition. The layer stack is divided by P1,...