ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,478, issued on Sept. 23, was assigned to DISCO Corp. (Tokyo).

"Apparatus for and method of processing workpiece" was invented by Kazuma Sekiya (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An apparatus for processing a workpiece includes a holding table having a holding surface for holding the workpiece thereon, a processing unit for processing the workpiece held on the holding surface of the holding table, and a table cover for covering the holding surface when the workpiece is not held on the holding surface. The table cover has a contact surface for contacting at least the holding surface of the holding table, the contact surface being a...