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Direct Copper Bonding for Power Interconnects: Design, Manufacturing, and Test

Direct Copper Bonding for Power Interconnects: Design, Manufacturing, and Test 3-D power module structures allow for better cooling and lower parasitic inductances compared with the classical planar technology. In this paper, we present a 3-D technology that uses an innovative assembly method (direct copper-to-copper bonding). The concept and manufacturing process of this technology is described in detail. An accurate electrical characterization is then performed to compare its performance with that of the classical planar structures.

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