US Patent Issued to Asahi Kasei Microdevices on April 29 for "Infrared device comprising mesa portion including three lateral surfaces forming specified angles with substrate face" (Japanese Inventor)

ALEXANDRIA, Va., June 9 -- United States Patent no. 12,289,929, issued on April 29, was assigned to Asahi Kasei Microdevices Corp. (Tokyo).

"Infrared device comprising mesa portion including three lateral surfaces forming specified angles with substrate face" was invented by Taisei Nagaishi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infrared device comprises a first mesa portion. The lateral surface of the first mesa portion includes a first lateral surface located on a side close to a bottom surface of the first mesa portion, a second lateral surface located above the first lateral surface, and a third lateral surface located above the second lateral surface. A first angle Theta1 formed by the...