PASTY PROTECTIVE AGENT AS A REAR SPACE PROTECTION DURING LASER BORING, REAR SPACE PROTECTION DEVICE, METHOD FOR PRODUCING A THROUGH HOLE AND APPARATUS FOR CARRYING OUT SUCH A METHOD

摘要

The invention relates to a pasty protective agent (13), which is used for rear space protection during laser boring, comprising ceramic particles and an organic thickening agent. The invention further relates to an apparatus (1) for carrying out a method for laser boring, wherein a conveying device (6) is provided, which is used for the continuous conveyance of the pasty protective agent (13) into the cavity (12) in the workpiece (2).