METHOD AND DEVICE FOR DETECTING SURFACE IRREGULARITIES

摘要

The invention relates to a method for detecting irregularities such as fissures, edges, pores or the like in the topography of the surfaces of objects. According to the invention, a low-vortex gas flow is directed to the surface to be examined. The sound level of the sound produced by the interaction of the gas flow and the surface (6) is evaluated as a measure for surface flaws or edges in the surface. The invention also relates to a device for carrying out the inventive method.