ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,692, issued on Dec. 9, was assigned to HEPTAGON PHOTONICS PTE. LTD. (Singapore).

"Manufacturing optical elements" was invented by Abhishek Saxena (Zurich) and Elena Iseni (Zurich).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing an optical element such as a micro-optic lens may include providing a substrate having a surface profile, the substrate surface profile defining one or more flow stop features. The method may include providing a mold tool having a mold surface profile and dispensing viscous material. When the mold surface profile and the substrate surface profile are disposed towards one another and aligned relative to...