Patent ID: 7800237

Claim:
An electronic device comprising a component stack including at least two electronic components stacked one on top of the other with top sides of the components facing each other, wherein contact areas are arranged on the top sides of the components, the contact area for each component includes external contact structures comprising elongated rib and/or trench structures in which a length of each rib and/or trench structure is greater than a width of each rib and/or trench structure, and the two components are oriented with respect to each other with the rib and/or trench structures of one component being aligned transverse the rib and/or trench structures of the other component and with electrical connection elements being formed at intersection points between the rib and/or trench structures of the two components such that a single rib and/or trench structure of one component is in contact with a plurality of rib and/or trench structures of the other component.