Circuit board and charging device including a circuit board for a rechargeable battery pack

摘要

A circuit board, which includes at least one contact surface for electrical contacting with a contact partner, so that an electric current can be transferred between the circuit board and the contact partner, the circuit board including structures in the at least one contact area, which are designed to pierce through contaminant layers and/or oxide layers present on the at least one contact partner, the at least one contact area including the at least one contact surface.