US Patent 9147649 Multi-chip module

A multi-chip module and method is disclosed. One embodiment provides an electronic module having a first metal structure and a second metal structure. A first semiconductor chip is electrically connected with its back side to the first metal structure. A second semiconductor chip is arranged with its back side lying over the front side of the first semiconductor chip. The second metal structure includes multiple external contact elements attached over the front side of the second semiconductor chip. At least two of the multiple external contact elements are electrically connected to the front side of the second semiconductor chip.