ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,041, issued on April 15, was assigned to SICHUAN JINKO SOLAR Co. LTD. (Sichuan, China) and JINKO SOLAR Co. LTD. (Jiangxi, China).
"Method for crystal pulling" was invented by Chunsheng Su (Leshan, China), Yuang Yang (Leshan, China), Peng Xiang (Leshan, China) and Bo Xiong (Leshan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for crystal pulling is provided. The method includes the following. The method includes performing an equal-diameter process. The equal-diameter process is performed as follows. From the first equal-diameter stage to the third equal-diameter stage, the crystal rotation rate is gradually increased after starting a...