ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,010, issued on March 25, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).
"Photo-cathode for a vacuum system" was invented by Peter Uhd Jepsen (Copenhagen, Denmark), Simon Lehnskov Lange (Copenhagen, Denmark), Motohiro Suyama (Hamamatsu, Japan) and Masahiko Iguchi (Hamamatsu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This invention concerns a photo-cathode for a vacuum system, wherein the photo-cathode is configured for receiving electromagnetic radiation having an incoming wavelength and for emitting electrons in response thereto. The photo-cathode comprises a conducting structure having a geometry, the geometry comprising a...