Overhang-compensating annular plating layer in through hole of component carrier

A component carrier with an electrically insulating layer having a front side and a back side, a first and a second electrically conductive layer covering the front side and the back side of the electrically insulating layer, respectively. A through hole extends through both electrically conductive layers and the electrically insulating layer. An overhang is formed along one of the electrically conductive layers and sidewalls of the electrically insulating layer structure delimiting the through hole. An annular plating layer covers the sidewalls and fills part of the overhang such that a horizontal extension of the overhang after plating is less than 20 μm and/or such that a ratio between a horizontal extension of the overhang after plating and a width of a first window through the first electrically conductive layer and/or a width of a second window through the second electrically conductive layer is smaller than 20%.