US Patent Issued to SCREEN Holdings on Sept. 15 for "Heat treatment apparatus for heating substrate by light irradiation" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,739,952, issued on Sept. 15, was assigned to SCREEN Holdings Co. Ltd. (Kyoto, Japan).

"Heat treatment apparatus for heating substrate by light irradiation" was invented by Ryuta Tobe (Kyoto, Japan), Naoto Mori (Kyoto, Japan) and Takahiro Kitazawa (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An element set including one capacitor, one coil, one thyristor, and one regeneration diode is provided for three parallel-connected flash lamps. The one thyristor collectively effects on-off control of the current flowing through the three corresponding parallel-connected flash lamps. The thyristor is able to suppress a tail current flowing through ...