US Patent Issued to HAMAMATSU PHOTONICS on July 14 for "Photodetector and beating spectroscopy device" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,955, issued on July 14, was assigned to HAMAMATSU PHOTONICS K.K. (Hamamatsu, Japan).

"Photodetector and beating spectroscopy device" was invented by Tatsuo Dougakiuchi (Hamamatsu, Japan), Akio Ito (Hamamatsu, Japan), Masahiro Hitaka (Hamamatsu, Japan) and Tadataka Edamura (Hamamatsu, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A photodetector includes: a semiconductor substrate; a mesa portion formed on a major surface of the semiconductor substrate to extend along an optical waveguide direction; a first contact layer; a second contact layer; a first electrode; and an air bridge wiring electrically connected to the first contact layer and t...