ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,715,187, issued on Aug. 25, was assigned to HEPTAGON PHOTONICS PTE. LTD. (Singapore).
"Manufacturing an optical structure" was invented by Nicola Spring (Oberterzen, Switzerland) and Sebastiano Lazzi Gazzini (Zurich).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing an optical structure may include providing a base structure that includes a substrate having an optical element extending from a first side of the substrate and dispensing liquid photoresist onto the base structure. The method may further include forming a layer of said liquid photoresist where the height of said layer is controlled by lowering the tool to a height abov...