Patent 7455568 was granted and assigned to Disco Corporation on November, 2008 by the United States Patent and Trademark Office.
A water jet-processing machine comprising a workpiece holding table having a holding surface for holding a workpiece, a nozzle for emitting a jet of processing water to the workpiece held on the holding surface of the workpiece holding table, a processing water supply means for supplying processing water containing abrasive grains to the nozzle and a moving means for moving the nozzle in a direction perpendicular to the holding surface of the workpiece holding table, wherein