ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,902, issued on April 14, was assigned to The Regents at the University of California (Oakland, Calif.).

"High effective refractive index materials for ultra-high resolution illumination nanoscopy" was invented by Zhaowei Liu (San Diego), Yeon Ui Lee (San Diego), Qian Ma (San Diego) and Junxiang Zhao (San Diego).

According to the abstract* released by the U.S. Patent & Trademark Office: "A high effective refractive index structure may include one or more high effective refractive index materials disposed on a substrate. The high effective refractive index structure configured to respond to a light received at the high effective refractive index structure by at least generating on...