ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,509, issued on April 21, was assigned to MURATA MANUFACTURING Co. LTD. (Nagaokakyo, Japan).

"Interferometer with absorbing layer" was invented by Ville Kaajakari (Helsinki).

According to the abstract* released by the U.S. Patent & Trademark Office: "A micromechanical Fabry-Perot interferometer is provided that includes an at least partly transparent substrate; an illuminated area where the light is passed through the substrate; a reflector on the top surface of the substrate in the illuminated area; an absorbing reflector layer above the reflector in the illuminated area, which absorbs at least some wavelengths of the infrared light; an arrangement for determining the temperatur...