ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,142, issued on May 5, was assigned to Tokyo Electron Ltd. (Tokyo).
"Substrate processing apparatus and substrate processing method" was invented by Tatsuo Hatano (Yamanashi, Japan) and Naoki Watanabe (Yamanashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A substrate processing apparatus includes: a tray provided in a vacuum processing container and having a recess that accommodates a target made of a low-melting-point material; a refrigerator that cools the tray; a substrate holder that holds a substrate; a reversal driver that reverses the position of the substrate holder upside down; and a rotation driver that rotates the substrate holder ...