US Patent Issued to United States of America as represented by the Administrator of NASA on Sept. 1 for "Fabrication of binary-phase photon sieve" (Maryland Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,724,182, issued on Sept. 1, was assigned to United States of America as represented by the Administrator of NASA (Washington).

"Fabrication of binary-phase photon sieve" was invented by Kevin L. Denis (Greenbelt, Md.), Douglas M. Rabin (Greenbelt, Md.), Adrian N. Daw (Greenbelt, Md.) and Jacob Parker (Greenbelt, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Fabrication of a binary-phase photon sieve begins with the deposition of a layer of a material on a substrate. The layer does not exceed 0.5 microns in thickness and has an optical energy transmittance of at least 30% in the extreme ultraviolet (EUV) wavelength spectrum. The first face of the la...