US Patent Issued to SONGSHAN LAKE MATERIALS LABORATORY, ZHONGKE CRYSTAL MATERIALS (DONGGUAN) on Dec. 30 for "Purification method for copper foil" (Chinese Inventors)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,792, issued on Dec. 30, was assigned to SONGSHAN LAKE MATERIALS LABORATORY (Dongguan, China) and ZHONGKE CRYSTAL MATERIALS (DONGGUAN) Co. Ltd. (Dongguan, China).

"Purification method for copper foil" was invented by Kaihui Liu (Dongguan, China), Jinzong Kou (Dongguan, China), Zhiqiang Zhang (Dongguan, China), Xiangbin Yue (Dongguan, China), Zhi Huang (Dongguan, China), Menglin He (Dongguan, China) and Enge Wang (Dongguan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A purification method for a copper foil, which belongs to the field of material purification. The purification method for a copper foil comprises: placing an assembly in a centra...