US Patent Issued to SHENNAN CIRCUITS on July 22 for "Graded-index polymer waveguide and manufacturing method thereof" (Chinese Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,707, issued on July 22, was assigned to SHENNAN CIRCUITS Co. LTD. (Shenzhen, China).

"Graded-index polymer waveguide and manufacturing method thereof" was invented by Xiaofeng Liu (Shenzhen, China), Guodong Wang (Shenzhen, China), Hua Miao (Shenzhen, China), Tengfei Yao (Shenzhen, China), Rui Wang (Shenzhen, China) and Yongkai Li (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A graded-index polymer waveguide (30) and a manufacturing method thereof are provided. The method includes providing a waveguide substrate (1); manufacturing a waveguide lower cladding layer (2) on a surface of the waveguide substrate (1); coating a material of...