ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,493,140, issued on Dec. 9, was assigned to VIAVI Solutions Inc. (San Jose, Calif.).
"Micro-sized metamaterial absorbers" was invented by Vladimir P. Raksha (Santa Rosa, Calif.) and Paul T. Kohlmann (Windsor, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a metamaterial absorber (MMA) is configured to absorb a particular range of electromagnetic radiation. The MMA includes a first metal or semiconductor material; a dielectric material disposed on the first metal or semiconductor material; and a second metal material disposed on the dielectric material. A length dimension associated with the MMA is less than or equal to 200 ...