ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,456, issued on April 21, was assigned to 2Pi Inc. (Cambridge, Mass.).

"Wide field-of-view metasurface optics, sensors, cameras and projectors" was invented by Tian Gu (Acton, Mass.), Fan Yang (Cambridge, Mass.), Mikhail Y. Shalaginov (Cambridge, Mass.), Xiaochen Sun (Chino Hills, Calif.) and Juejun Hu (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wide field-of-view sensor or projector includes a transparent substrate with one or more apertures on one side, and one or more chip stacks joined to the opposite side. Each chip stack includes a flat optics layer (e.g., metasurface), at least one spacer layer, an optional filter layer, a...