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The 3D-packaging technology makes it possible to stack the PCBs on top of each other and thus make full use of the third dimension. A unique space between the stacked PCB layers enables a reproducible technology without shortcuts or unconnected bumps. New applications in 3D-PDB-packages, called PCBMEMS can be realized with the combination of electric bumps and solder rings. The paper shows a fluidic...
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