At least partially method for detecting defects in the tape roll made of a transparent hard and brittle materials or friable materials and equipment as well as its use

摘要

The present invention relates to a method and apparatus for detecting defects in the tape roll (1) (8). In this case, the tape roll is, for example, wound possible (ultrathin) glass, wound treatable glass sheets, laminated wound possible (ultrathin) glass or glass sheets, the wound can be a solar cell, and the winding times can be organic light emitting diodes (OLED, organic light emitting diode) is.