US Patent Issued to Gigaphoton on April 22 for "Gas laser apparatus and electronic device manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,786, issued on April 22, was assigned to Gigaphoton Inc. (Tochigi, Japan).

"Gas laser apparatus and electronic device manufacturing method" was invented by Daisuke Tei (Oyama, Japan) and Keita Kouzai (Oyama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gas laser apparatus includes an enclosure, a window holder, a window, and a sealing member. The window holder further having an extending surface located on the side toward which reflected light travels, the reflected light being reflected off the window, the extending surface being continuous with the end surface and extending in a direction away from the window, the extending surface irradi...