US Patent Issued to TONGWEI SOLAR (MEISHAN) on Nov. 3 for "Solar cell and preparation method therefor" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,476, issued on Nov. 3, was assigned to TONGWEI SOLAR (MEISHAN) Co. LTD. (Meishan, China).

"Solar cell and preparation method therefor" was invented by Hao Chen (Meishan, China), Xiupeng Wang (Meishan, China) and Guoqiang Xing (Meishan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a preparation method for a solar cell includes: forming a target amorphous silicon layer on a side of a silicon wafer using a preset process, and then performing an annealing treatment on the target amorphous silicon layer to convert the target amorphous silicon layer into a target polycrystalline silicon layer, wherein the preset process includes at l...