ALEXANDRIA, Va., July 16 -- United States Patent no. 12,364,061, issued on July 15, was assigned to Analog Devices Inc. (Wilmington, Mass.).
"Superlattice photodetector/light emitting diode" was invented by Shrenik Deliwala (Andover, Mass.) and Ryan Michael Iutzi (Somerville, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A device emitting mid-infrared light that comprises a semiconductor substrate of GaSb or closely related material. The device can also comprise epitaxial heterostructures of InAs, GaAs, AISb, and related alloys forming light emitting structures cascaded by tunnel junctions. Further, the device can comprise light emission from the front, epitaxial side of the substrate."
The patent wa...