METHODS AND SYSTEMS TO KEEP A WORK PIECE SURFACE FREE FROM LIQUID ACCUMULATION WHILE PERFORMING LIQUID-JET GUIDED LASER BASED MATERIAL PROCESSING

摘要

A gas flow can be provided together with a liquid jet guided laser beam to remove accumulated liquid on the processing surface. The gas flow can be configured to have minimum interference with the liquid jet guided laser beam, while functions to blow away liquid generated by the liquid jet. Keeping the surface free from accumulated liquid can improve the efficiency of the liquid jet guided laser processing