ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,456,603, issued on Oct. 28, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Substrate processing apparatus, signal source device, method of processing material layer, and method of fabricating semiconductor device" was invented by Sung-gil Kang (Hwaseong-si, South Korea), Min-seop Park (Hwaseong-si, South Korea), Gon-jun Kim (Suwon-si, South Korea), Jae-jik Baek (Seongnam-si, South Korea), Jae-jin Shin (Seoul, South Korea) and In-hye Jeong (Changnyeong-gun, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate processing apparatus includes a processing chamber; a susceptor provided in the processing chamber, where...