A method of forming and detection of security elements on the surface of a component or a component and system for the detection of this security element

The invention relates to a method for forming and detection of security elements on the surface of a component and / or in a component, in which on the surface of the component and / or in the component which is formed of a magnetic or a nonmagnetic material, at least one layer or at least one portion which is preferably formed with a magnetic material or a differing from the component material material is locally formed and geometrically defined. By a locally defined and geometrically material removal or energy input is formed on / in the surface of a component along a predetermined contour corresponding to the respective security feature at least one Abtragsspur, at least one heat-influenced region and / or at least one treatment remelted track. In the preparation of the component by means of a generative manufacturing method will be locally and geometrically defines a of differing from the material of the component of magnetic material in the component at at least one predetermined position is introduced. For the detection of the security element by means of a magnetizer, at least one is generated penetrating magnetic field into the component or generates a magnetic flux within the magnetizing unit which penetrates into the component. be with a detection unit, which detects from the safety element due to the at least one magnetic field occurring stray magnetic fields, and transmits the detected with the detection unit measuring signals to an evaluation unit with image processing or pattern recognition system for verifying a security element thus formed. With the evaluation with image processing or pattern recognition system is checked by means of the detected leakage magnetic fields if a match of the detected security element is present with a default or not.