ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,557,426, issued on Feb. 17, was assigned to CNBM RESEARCH INSTITUTE FOR ADVANCED GLASS MATERIALS GROUP Co. LTD. (Anhui, China).

"Slot-die type gas distribution device for photovoltaic manufacturing" was invented by Yilei Shen (Schwetzingen, Germany), Nan Chen (Erlangen, Germany) and Thomas Dalibor (Herrsching Am Ammersee, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A slot-die type gas distribution device for photovoltaic manufacturing is provided. The slot-die type gas distribution device includes a first gas distribution device (105) at a process chamber inlet (104) and a second gas distribution device (13) at a process chamber outlet (11). ...