US Patent Issued to TONGWEI SOLAR (CHENGDU) on Nov. 3 for "Preparation method for solar cell, and solar cell" (Chinese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,787,485, issued on Nov. 3, was assigned to TONGWEI SOLAR (CHENGDU) Co. LTD. (Chengdu, China).

"Preparation method for solar cell, and solar cell" was invented by Kesheng Wei (Chengdu, China), Yi Yu (Chengdu, China), Jin Wang (Chengdu, China) and Lei Xu (Chengdu, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In one aspect, a method for manufacturing a solar cell includes: manufacturing a barrier layer on a transparent conductive film of a solar cell wafer; manufacturing a first copper seed layer on the barrier layer by a chemical copper plating method; manufacturing a second copper seed layer on the first copper seed layer by a sputtering method; a...