US Patent Issued to YANTAI RAYTRON TECHNOLOGY on June 3 for "Composite lens and manufacturing method therefor, and infrared detector" (Chinese Inventors)

ALEXANDRIA, Va., June 4 -- United States Patent no. 12,320,991, issued on June 3, was assigned to YANTAI RAYTRON TECHNOLOGY Co. LTD (Shandong, China).

"Composite lens and manufacturing method therefor, and infrared detector" was invented by Peng Wang (Shandong, China) and Chuanqing Yu (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite lens and a manufacturing method, and an infrared detector. The composite lens comprises a substrate (2); a lens (3) located on the first surface of the substrate (2); and a first metasurface structure array (1) that is provided on the second surface of the substrate (2) according to the surface type machining error of the lens (3), the first metasurface...