ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,480, issued on May 27, was assigned to CORNING Inc. (Corning, N.Y.).
"Prism coupling systems and methods employing light-blocking members" was invented by Craig Llewellyn Barnes (North Cohocton, N.Y.), Vitor Marino Schneider (Painted Post, N.Y.) and Nathaniel David Wetmore (Corning, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A prism coupling system configured to determine at least one stress characteristic in a chemically strengthened substrate having a surface and a near-surface waveguide has a a light source system that generates measurement light. A coupling prism provides optical coupling of the measurement light into and out of the nea...