The invention relates to a method for producing a rotor cup (10) for an open-end spinning rotor (1), with which a front-side edge (16) of the rotor cup (10) is provided with separating structures (17) for breaking up and preparing a yarn end (5a) for spinning in, whereas the separating structures (17) are deposited by a non-mechanical manufacturing method, in particular by a non-mechanical ablation method. The invention also relates to a rotor cup (10) for an open-end spinning rotor (1) with an inner rotor wall (12) and an outer rotor wall (13), a rotor bottom (14) and a front-side edge (16) opposite the rotor bottom (14), which is provided with separating structures (17) for breaking up and preparing a yarn end (5a) for spinning in, whereas the separating structures (17) feature a surface with a micro-profile (20).
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