Patent ID: 7635911
Filing Date: 2009-12-22
Classification: H01L

Abstract:
1. A chip carrier comprising a first surface and a second surface that opposes the first surface, a first recess provided in the first surface and a second recess provided in the second surface, wherein the chip carrier is configured to provide a heat sink for semiconductor chips arranged on the chip carrier, the first and second recesses are suitably dimensioned to receive first and second semiconductor chips, and each of the first and second recesses comprises a bottom area on which an electrodeposited series of layers of one of NiNiP, Cu/Ag, Ni/Ag, Ni/Au, Ni/Cr/Au and Ni/Pt/Au is provided, with Ni being deposited on each bottom area and one of NiP, Ag and Au forming a surface that faces a back side of one of the first and second semiconductor chips that is placed within a corresponding one of the first and second recesses.