Patent ID: 7910952

Claim:
An arrangement comprising: a circuit carrier having a first and a second surface; a connecting layer having a first and a second surface, the first surface of the connecting layer coupled to the second surface of the circuit carrier; a baseplate with a first surface, the first surface of the baseplate connected to the second surface of the connecting layer at a connecting area; a heat sink coupled to the baseplate; means on the baseplate for connecting the baseplate to the heat sink; and a recess extending into the baseplate proceeding from the first surface of said baseplate and adjacent the connecting area; wherein an edge of the connecting area comprises at an edge point a radius of curvature that falls below a predetermined first minimum value, wherein the recess of the baseplate is at least partly arranged outside the connecting area and which is arranged on a common straight line with the edge point and the center of curvature assigned to said edge point in the plan view of the front side of the baseplate.