US Patent Issued to LITE-ON SINGAPORE on April 22 for "Miniature spectrum measuring device and thin film filter" (Singaporean Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,940, issued on April 22, was assigned to LITE-ON SINGAPORE PTE. LTD. (Singapore).

"Miniature spectrum measuring device and thin film filter" was invented by Rui-Tao Zheng (Singapore).

According to the abstract* released by the U.S. Patent & Trademark Office: "A filter and a miniature spectrum measuring device are provided. The filter includes a plurality of film structures. Each of the film structures includes an H-type structural film, an L-type structural film, and a cavity film disposed between the H-type structural film and the L-type structural film."

The patent was filed on March 13, 2022, under Application No. 17/693,404.

*For further information, including images, charts...